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Search found 882 matches

by arse_sidewards
Thu May 21, 2020 6:59 am
Forum: 240-300 "Big Block" Six Performance
Topic: Cylinder heads valves and rockers
Replies: 41
Views: 4506

Re: Cylinder heads valves and rockers

I've got a quick question on the Harland Sharp rockers. Are there any other mods that have to be done to make these work? Just want to take this into account if/when I drop the money on these. No mods needed. They are the only roller rocker with the correct dimensions for the 240/300 six. I needed ...
by arse_sidewards
Fri May 08, 2020 6:20 am
Forum: 240-300 "Big Block" Six Performance
Topic: Intake manifolds
Replies: 62
Views: 6020

Re: Intake manifolds

Make sure you check fuel distribution in that manifold. It should be good enough because it's just a variant of a log manifold and we all those were good enough but still, check, don't guess, especially if you aren't going to be running a conservative tune. Because we are going to use the original c...
by arse_sidewards
Sun Apr 26, 2020 10:00 am
Forum: 240-300 "Big Block" Six Performance
Topic: serpentine belt conversion
Replies: 76
Views: 13158

Re: serpentine belt conversion

There is a product that allows for a Saginaw pump to be fitted in place of a Ford pump when converting to hydo brakes. It's online somewhere. If you're talking about the Cardone reman'd P-Pump that came with a bracket on it allowing it to be a direct replacement for the C3 pump it was discontinued ...
by arse_sidewards
Sun Apr 19, 2020 5:46 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Intake manifolds
Replies: 62
Views: 6020

Re: Intake manifolds

My question is where can you get fittings to tie into the stock fuel rail fittings? Does anyone know the name of them or where to find some? They're readily available in both aluminum to AN and stainless to hose barb (or you can swage something on). Search Summit, Jegs, eBay, etc. The stock EFI fue...
by arse_sidewards
Sat Apr 18, 2020 2:23 pm
Forum: 240-300 "Big Block" Six Performance
Topic: serpentine belt conversion
Replies: 76
Views: 13158

Re: serpentine belt conversion

This is what I used to run and it worked fine. I deleted the power steering and made a different tensioner bracket and my belt runs on top of the tensioner and then to the crank. Basically the same thing though.

Image
by arse_sidewards
Fri Apr 17, 2020 9:33 pm
Forum: 240-300 "Big Block" Six Performance
Topic: serpentine belt conversion
Replies: 76
Views: 13158

Re: serpentine belt conversion

Reviving this post as it has all the information I need except... is there any way to eliminate the AC through creative belt routing? My application (1941 International K2 getting a Ford 300 transplant) has deep inner fenders and I need all the room I can get at the front lower end of the engine. E...
by arse_sidewards
Sun Apr 12, 2020 10:09 am
Forum: 240-300 "Big Block" Six Performance
Topic: Aussie speed intake manifold and valve cover.
Replies: 37
Views: 3612

Re: Aussie speed intake manifold and valve cover.

The O-rings for injectors are so massive compared to the OD of the portion of the injector they fit around and the ID of the hole they go in that you can be off by a country mile and they will still seat and not leak. I would have no qualms about hand drilling the holes. With careful layout work and...
by arse_sidewards
Fri Mar 06, 2020 6:47 am
Forum: 240-300 "Big Block" Six Performance
Topic: Intake manifolds
Replies: 62
Views: 6020

Re: Intake manifolds

Plenum on the earlier one is much taller. I'm moving all my stuff out of where it's stored this weekend so I should be able to take comparison pics next week.

Is that truck a '95 or '96?
by arse_sidewards
Tue Feb 11, 2020 2:23 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Water pumps
Replies: 14
Views: 2440

Re: Water pumps

What does the TSB say? And, see my edit. It's been years and I don't recall the TSB number but it basically said "don't block the radiator bypass circuit because if you do that the coolant doesn't flow around the engine portion of the system very much until the thermostat opens and that could ...
by arse_sidewards
Tue Feb 11, 2020 2:13 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Water pumps
Replies: 14
Views: 2440

Re: Water pumps

All 240/300 vehicles were originally fitted with a heater shut off valve which completely blocked any coolant flow in the circuit when shut and no other coolant bypass. There are literally millions of F-series and E series (edit: without any sort of heater core bypass) and at least one TSB saying n...
by arse_sidewards
Fri Feb 07, 2020 11:08 am
Forum: 240-300 "Big Block" Six Performance
Topic: Picked up a Turbo
Replies: 58
Views: 5258

Re: Picked up a Turbo

I dont think I could, or would be able to do the valve seats on my mill. I think you should read this thread and reconsider what's possible on a run of the mill Bridgeport. https://grassrootsmotorsports.com/forum/build-projects-and-project-cars/frankenferrari-v12-ferrari-308/148959/page1/ Ugh, if o...
by arse_sidewards
Fri Feb 07, 2020 7:17 am
Forum: 240-300 "Big Block" Six Performance
Topic: Picked up a Turbo
Replies: 58
Views: 5258

Re: Picked up a Turbo

BigBlue94 wrote:I dont think I could, or would be able to do the valve seats on my mill.


I think you should read this thread and reconsider what's possible on a run of the mill Bridgeport.

https://grassrootsmotorsports.com/forum ... 959/page1/
by arse_sidewards
Thu Feb 06, 2020 7:43 am
Forum: Announcements
Topic: Major forum upgrade coming soon!
Replies: 56
Views: 163763

Re: Major forum upgrade coming soon!

Three things: 1) It's 2020. There's no excuse for not having 2fa on the admin accounts. Even SMS 2fa would be a huge improvement. Please implement 2fa. This forum gets "hacked" way too often (seems like annually) to not at least make a decent effort about security. 2) Can we please, please...
by arse_sidewards
Thu Feb 06, 2020 7:33 am
Forum: 240-300 "Big Block" Six Performance
Topic: Water pumps
Replies: 14
Views: 2440

Re: Water pumps

Some of the older water pumps without the threaded pilot have the heater input tapped and some don't. If you aren't running a heater core and want one less rubber line to leak it makes running some sort of hard line for the radiator bypass (you can't just delete it without having some other way for ...
by arse_sidewards
Thu Feb 06, 2020 6:19 am
Forum: 240-300 "Big Block" Six Performance
Topic: Intake manifolds
Replies: 62
Views: 6020

Re: Intake manifolds

There are two styles of the upper EFI manifolds. I believe the vans and trucks were different. The change is slight and you almost need to see them side by side. I've seen trucks with both the thin and thick manifold. I don't recall seeing the thin manifold on a van but I also haven't been looking.
by arse_sidewards
Wed Feb 05, 2020 12:53 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Intake manifolds
Replies: 62
Views: 6020

Re: Intake manifolds

BigBlue94 wrote:Arse, are the efi lowers the same? I'm aware of the upper height difference.

AbandonedBronco is running the Holley 2bbl Sniper on his 300 on an Offy-C manifold. I've ridden in it and the driveability and power is great.



Yes, EFY lowers are the same
by arse_sidewards
Wed Feb 05, 2020 10:27 am
Forum: 240-300 "Big Block" Six Performance
Topic: Water pumps
Replies: 14
Views: 2440

Re: Water pumps

81slantnosewp wrote:I'm actually doing just that slowly obviously these have already happened but I'm wondering what the best hosting and attachment process would be these photos are currently on my personal photobucket


We allow direct attachments on this forum.
by arse_sidewards
Wed Feb 05, 2020 6:48 am
Forum: 240-300 "Big Block" Six Performance
Topic: Water pumps
Replies: 14
Views: 2440

Re: Water pumps

Can you please download and attach your images (in all your threads) instead of hot-linking them? These threads are great but they are going to go poof as URLs change and images become unavailable.
by arse_sidewards
Wed Feb 05, 2020 6:45 am
Forum: 240-300 "Big Block" Six Performance
Topic: Intake manifolds
Replies: 62
Views: 6020

Re: Intake manifolds

Can someone who has an early and late EFI upper sitting around snap a side by side head on pic? (sorry, mine are all in a garage 100mi away). The difference in plenum height is highly relevant for anyone who wants to use a full height valve cover on an engine with the EFI intake.
by arse_sidewards
Fri Jan 31, 2020 11:44 am
Forum: 240-300 "Big Block" Six Performance
Topic: Picked up a Turbo
Replies: 58
Views: 5258

Re: Picked up a Turbo

Come to think of it, 12"/hr in a 8n sized tractor would be pretty useful for using the tractor as a big crowbar for pulling heavy objects. You could attach a tow strap/cable to the front, wind the tractor up until it's about to go over (at 12"/hr this would be plenty controllable and safe)...
by arse_sidewards
Fri Jan 31, 2020 7:26 am
Forum: 240-300 "Big Block" Six Performance
Topic: Picked up a Turbo
Replies: 58
Views: 5258

Re: Picked up a Turbo

Unless you have some serious wheelbase constraints (i.e. Bronco) there is no reason to seek out a 205 as your rear transfer case in this day and age. An NVG 271 will bolt right up and even after a 2:1 reduction it's seeing no more input torque from our 300s than it would be behind a turned up PSD or...
by arse_sidewards
Mon Jan 27, 2020 8:11 am
Forum: 240-300 "Big Block" Six Performance
Topic: Rectangle to round exhaust manifold
Replies: 12
Views: 1572

Re: Rectangle to round exhaust manifold

Heat and a vise? Yup. Measure perimeter of port. Buy steel tubing that has an inside circumference as close to the same as possible. Make a die that has the shape of the port but is larger by whatever your wall thickness is out of two pieced of suitable scrap material. Heat (probably unnecessary fo...
by arse_sidewards
Mon Jan 06, 2020 7:26 am
Forum: 240-300 "Big Block" Six Performance
Topic: a stuck distributor and what todo about it
Replies: 1
Views: 546

Re: a stuck distributor and what todo about it

The aluminum acts as a mild anode on the otherwise steel assembly. The corrosion takes up more volume than the aluminum causing it to effectively be an interference fit with the hole in the block. The aluminum brightener does its job and dissolves the corrosion (reacts with the aluminum oxide), dist...
by arse_sidewards
Tue Dec 31, 2019 8:59 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Permanent 300 Six Cyl Head CFM solutions- A Work in Progress
Replies: 503
Views: 102630

Re: Permanent 300 Six Cyl Head CFM solutions- A Work in Progress

I get two bonuses a year, June and December. Which one should I plan on using for an LS head in 2020?

Glad to hear the flow bench worked out.
by arse_sidewards
Fri Dec 06, 2019 8:02 am
Forum: 240-300 "Big Block" Six Performance
Topic: Cylinder bore finish
Replies: 45
Views: 4676

Re: Cylinder bore finish

Well enough. who has the tools time to build a plate that we can rent? Essentially it would be rented for the cost of making the plate; shipped directly to the machine shop in question, and when returned the rental fee refunded minus 5% or so for the trouble.... any takers? im not able to see anyth...
by arse_sidewards
Tue Dec 03, 2019 7:19 am
Forum: 240-300 "Big Block" Six Performance
Topic: Cylinder bore finish
Replies: 45
Views: 4676

Re: Cylinder bore finish

there is a hillbilly method that was detailed to me by my favorite machinist. protecting his reputation , which is considerable, i will state that he did not endorse this but he did say that it worked as a torque plate. The method was a stack of heavy washers under a head bolt torqued to spec. This...
by arse_sidewards
Wed Nov 27, 2019 11:41 am
Forum: 240-300 "Big Block" Six Performance
Topic: Gas mileage reporting [4.9L w/ manual O.D. and 3.08 rear gears]
Replies: 12
Views: 2439

Re: Gas mileage reporting [4.9L w/ manual O.D. and 3.08 rear gears]

Do you happen to know what the intake vacuum and A/F ratio was at 50 and 70? Perhaps at 50 the intake vacuum was low enough to open the power valve but it was high enough to induce additional pumping losses (at 50 vs 70)? This is my bet. His results are opposite of mine with an almost identically g...
by arse_sidewards
Tue Nov 26, 2019 9:10 am
Forum: 240-300 "Big Block" Six Performance
Topic: concerning reamers and how to use them. please help .
Replies: 16
Views: 2075

Re: concerning reamers and how to use them. please help .

Threaded fitting? Slap the block on a horizontal mill (any mill or drill press bit enough will work but a horizontal will greatly simplify work-holding) , stick a tool of the desired diameter in the spindle and have at it, turn down the RPMs to something in the single digits and repeat the procedure...
by arse_sidewards
Tue Nov 19, 2019 7:16 am
Forum: 240-300 "Big Block" Six Performance
Topic: ok, a flyer on a totally new idea; belt driven cam.
Replies: 4
Views: 700

Re: ok, a flyer on a totally new idea; belt driven cam.

There's no reason you couldn't belt drive the cam. You'd need a custom cam (because it would spin backwards), timing cover and some way to seal up the engine and deal with the oil. I personally think it would be a waste to do it on a 300 though. Some really high end V8 race engines spinning crazy rp...
by arse_sidewards
Wed Nov 13, 2019 7:11 am
Forum: 240-300 "Big Block" Six Performance
Topic: 4.9 interchangeability questions
Replies: 13
Views: 1708

Re: 4.9 interchangeability questions

Darklakedan wrote:Thanks for the replays.so I gather that the intake flange can crack easily?



Yes.

IMO surfacing the exhaust manifolds and installing them with sealant and then using the intake only gasket (as opposed to the thick combined one) helps prevent cracking.
by arse_sidewards
Tue Nov 12, 2019 4:54 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 4.9 interchangeability questions
Replies: 13
Views: 1708

Re: 4.9 interchangeability questions

An '87 doesn't use a mechanical fuel pump
by arse_sidewards
Tue Nov 12, 2019 7:14 am
Forum: 240-300 "Big Block" Six Performance
Topic: 4.9 interchangeability questions
Replies: 13
Views: 1708

Re: 4.9 interchangeability questions

Yes it will all interchange
by arse_sidewards
Thu Nov 07, 2019 7:14 am
Forum: 240-300 "Big Block" Six Performance
Topic: storage of iron parts-how do u do it?
Replies: 4
Views: 855

Re: storage of iron parts-how do u do it?

Newspaper or paper towels soaked in some oily substance (usually waste motor oil). For shorter term storage chip brush and paint it on will do. Small clean parts get tossed in a ziplock with a little bit of clean oil. The best thing you can do is store stuff somewhere dry with minimal temperature va...
by arse_sidewards
Fri Nov 01, 2019 6:44 am
Forum: 240-300 "Big Block" Six Performance
Topic: california CARB, exemption questions
Replies: 33
Views: 3569

Re: california CARB, exemption questions

sdiesel wrote:as for california,
I'm just gonna...


Finish that sentence with "not discuss these sorts of things in writing on a publicly available website"?
by arse_sidewards
Thu Oct 31, 2019 1:46 pm
Forum: 240-300 "Big Block" Six Performance
Topic: threading the core plug hole-can I do this at home?
Replies: 21
Views: 1794

Re: threading the core plug hole-can I do this at home?

wallen7 wrote:240 - 300 core plugs are 1.625 or 1 5/8


None of mine are that size and none of my 300s are junk.
by arse_sidewards
Thu Oct 31, 2019 6:28 am
Forum: 240-300 "Big Block" Six Performance
Topic: threading the core plug hole-can I do this at home?
Replies: 21
Views: 1794

Re: threading the core plug hole-can I do this at home?

there are some reliably good taps on ebay. i noticed a rigid and a few other american companies, at reasonable prices. if i buy one it will be a good tap. i then will send it on to whom ever wants it to do theirs. i need a junk block though for practice. What's the plug diameter for the water jacke...
by arse_sidewards
Wed Oct 30, 2019 5:14 pm
Forum: 240-300 "Big Block" Six Performance
Topic: threading the core plug hole-can I do this at home?
Replies: 21
Views: 1794

Re: threading the core plug hole-can I do this at home?

BigBlue94 wrote:Lol notice I said good taps...

I agree that for a project like this, especially in relatively thin cast iron, the China carbon steel taps would work.


I know you said good taps. That's why I brought up cheap taps.
by arse_sidewards
Wed Oct 30, 2019 11:59 am
Forum: 240-300 "Big Block" Six Performance
Topic: threading the core plug hole-can I do this at home?
Replies: 21
Views: 1794

Re: threading the core plug hole-can I do this at home?

I just checked eBay and individual 1-1/4 taps start around $25 and you can get a set of them that goes up through 1-1/4 for $55 (i.e. about the same cost as the set from Harbor Freight) if you don't mind China. At those prices tapping the plugs might go on the todo list for when I build my engine. F...
by arse_sidewards
Wed Oct 30, 2019 10:35 am
Forum: 240-300 "Big Block" Six Performance
Topic: threading the core plug hole-can I do this at home?
Replies: 21
Views: 1794

Re: threading the core plug hole-can I do this at home?

sdiesel wrote:this is a concern. as the tap may hit the cylinder walls b4 i finish tapping the hole


Tap all the holes as far as you can then grind the tap shorter. Repeat until desired result is achieved.
by arse_sidewards
Wed Oct 30, 2019 7:29 am
Forum: 240-300 "Big Block" Six Performance
Topic: threading the core plug hole-can I do this at home?
Replies: 21
Views: 1794

Re: threading the core plug hole-can I do this at home?

the core plug hole 1.6 diameter can I thread this with a tap and tap wrench? I want to use NPT 11.5 to the inch. I want to do this at home , as most machine shops don't like this operation How much depth of thread are you going to wind up with? If you do by some miracle get the tap to go in straigh...
by arse_sidewards
Thu Oct 24, 2019 10:56 am
Forum: 240-300 "Big Block" Six Performance
Topic: Aussie speed intake manifold and valve cover.
Replies: 37
Views: 3612

Re: Aussie speed intake manifold and valve cover.

The Injector bosses on the Aussie Intake are inline with the port. The Stock fuel rail "cups" are on an angle, I don't think it would work. As for the end connections, what type of connections are those called? If using the stock lines, it will connect, but if you are using custom or afte...
by arse_sidewards
Wed Oct 23, 2019 7:20 am
Forum: 240-300 "Big Block" Six Performance
Topic: Adding a water temp sending unit hole.
Replies: 16
Views: 2437

Re: Adding a water temp sending unit hole.

BigBlue94 wrote:Why not mount one in the bypass of the thermostat housing?


Because if you run low on water it will probably not tell you. It'll be better than every V engine that has the temp sender in the manifold but something in the head would be ideal.
by arse_sidewards
Wed Oct 23, 2019 7:16 am
Forum: 240-300 "Big Block" Six Performance
Topic: california CARB, exemption questions
Replies: 33
Views: 3569

Re: california CARB, exemption questions

The phrase you need to learn is "officer, I am not a California resident. I am here on a temporary work assignment and will be returning to my home state when that concludes." Keep your Oregon driver's license and vote absentee in your local elections. You are an Oregon resident.
by arse_sidewards
Fri Oct 18, 2019 12:53 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Permanent 300 Six Cyl Head CFM solutions- A Work in Progress
Replies: 503
Views: 102630

Re: Permanent 300 Six Cyl Head CFM solutions- A Work in Progress

Wesman07 wrote:Interesting topic. What’s are the needs of both set ups?


They prefer vastly different compression ratios. There's other small differences (timing, fuel/air ratio) but compression is the one that can't be changed on the fly.
by arse_sidewards
Fri Oct 18, 2019 7:24 am
Forum: 240-300 "Big Block" Six Performance
Topic: Loss of compression in all cylinders
Replies: 43
Views: 4739

Re: Loss of compression in all cylinders

In a low revving engine with lots of bearing surface that's classic oil contamination (water, fuel, etc). In a high revving engine with little bearing surface (e.g. modern V6) you'll knock, spin a bearing or create an inspection window. In a low revving engine that has more bearing surface than it k...
by arse_sidewards
Fri Oct 18, 2019 6:21 am
Forum: 240-300 "Big Block" Six Performance
Topic: 300 into a newer truck?
Replies: 22
Views: 3175

Re: 300 into a newer truck?

It wouldn't be rocket science to copy the bellhousing to transfer case strap that old Chevys with NP205s and (aluminum) automatic transmissions came with. There's a couple transmissions (I wanna say Jeep/Chrysler but I forget) that come wit similar straps that run from the bell-housing to the transf...
by arse_sidewards
Tue Oct 15, 2019 6:17 am
Forum: 240-300 "Big Block" Six Performance
Topic: 300 into a newer truck?
Replies: 22
Views: 3175

Re: 300 into a newer truck?

IMO the only time this swap would be worth it would be if you have a truck with one of the early modulars that used the SBF bell housing and the engine is bad and you have a 300 lying around (which most of us probably do). Anything else is too much work for no gain. I would like to see this done but...
by arse_sidewards
Wed Oct 09, 2019 12:50 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Aussie speed intake manifold and valve cover.
Replies: 37
Views: 3612

Re: Aussie speed intake manifold and valve cover.

Educate me a little bit on the stock fuel rail.... What type of connections are on the end of it? Is it something you can connect a non stock fuel line to? Is there a way to get adapted to AN fittings? I had just assumed that you would need a custom fuel rail, can the stock be made to work with lit...
by arse_sidewards
Wed Oct 09, 2019 6:12 am
Forum: 240-300 "Big Block" Six Performance
Topic: Aussie speed intake manifold and valve cover.
Replies: 37
Views: 3612

Re: Aussie speed intake manifold and valve cover.

They say it will accommodate injectors which is what I would want, but the cast injector bosses appear to be at a different angle from the stock EFI manifold, so I'm concerned that the stock fuel rail may not work. The stock fuel rail is very compliant. It would have to be a mile off to not work wi...
by arse_sidewards
Wed Sep 25, 2019 7:04 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Permanent 300 Six Cyl Head CFM solutions- A Work in Progress
Replies: 503
Views: 102630

Re: Permanent 300 Six Cyl Head CFM solutions- A Work in Progress

At this rate maybe the welded LS head will show up right around the same time as my 2020 tax return :lol:

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