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Search found 469 matches

by Wesman07
Wed Feb 05, 2020 9:19 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Intake manifolds
Replies: 16
Views: 696

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.
by Wesman07
Thu Jan 30, 2020 9:05 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Picked up a Turbo
Replies: 58
Views: 1961

Re: Picked up a Turbo

Wow 12” per hour.... even I don’t have the patience for that.

All I can say is I love my low range. When I go out snow wheeling it’s 4 low and 3rd and 4th gear every time. The 2.6:1 low range just gives you such nice options. 1st and 2nd in high range is a similar speed but it’s not even comparable.
by Wesman07
Sun Jan 26, 2020 8:49 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Rectangle to round exhaust manifold
Replies: 12
Views: 532

Re: Rectangle to round exhaust manifold

I thought cast had less thermal expansion? Don’t you want thick walls for turbo applications?
by Wesman07
Sun Jan 26, 2020 3:08 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Rectangle to round exhaust manifold
Replies: 12
Views: 532

Re: Rectangle to round exhaust manifold

To be honest I’ve never worked with stainless. I know you can’t bend cast steel.

Maybe you can form Sch 40 304 stainless pipe? Every metal guy I’ve talked to did not think it was a good idea.
by Wesman07
Sun Jan 26, 2020 2:10 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Rectangle to round exhaust manifold
Replies: 12
Views: 532

Rectangle to round exhaust manifold

In the midst of planing a stainless steel turbo manifold, and realizing one of the biggest hurdles are the rectangular exhaust ports. With a standard header you can hammer form tubing, but that’s not so easy with thick stainless cast bends. I see lots of flange transitions for the cathedral port LS ...
by Wesman07
Sun Jan 26, 2020 1:22 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Intermittent tapping on cold start.
Replies: 10
Views: 451

Re: Intermittent tapping on cold start.

Lucas oil stabilizer helps too.
by Wesman07
Sat Jan 18, 2020 2:01 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Old connector to new type fuelinjector adapter
Replies: 28
Views: 882

Re: Old connector to new type fuelinjector adapter

Scratch that.

I’m wondering if you have an intake leak.
by Wesman07
Fri Jan 17, 2020 10:13 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Old connector to new type fuelinjector adapter
Replies: 28
Views: 882

Re: Old connector to new type fuelinjector adapter

Your on to something but it shouldn’t run that bad with that much fuel pressure.

Is it a single cylinder misfire? Check all the plugs as they can be a good indicator.

If not, put a timing light on it. Your fuel and spark timing are connected.
by Wesman07
Fri Jan 17, 2020 5:57 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Old connector to new type fuelinjector adapter
Replies: 28
Views: 882

Re: Old connector to new type fuelinjector adapter

Do you know your lean or think your lean?
by Wesman07
Fri Jan 17, 2020 12:46 am
Forum: 240-300 "Big Block" Six Performance
Topic: Low fuel pressure
Replies: 9
Views: 450

Re: Low fuel pressure

50-55 psi but the battery wasn’t 100%. It turned out to be a bad PIP sensor in the distributor. That one really had me fooled. It would start and idle fine but stumble under a load. When it would stall it would do so slowly, not like a light switch. $100 for a spectra distributor with a TFI module f...
by Wesman07
Mon Jan 13, 2020 10:49 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Low fuel pressure
Replies: 9
Views: 450

Re: Low fuel pressure

Never mind. I picked up a gauge and it’s not a fuel issue.
by Wesman07
Mon Jan 13, 2020 8:09 am
Forum: 240-300 "Big Block" Six Performance
Topic: Low fuel pressure
Replies: 9
Views: 450

Re: Low fuel pressure

Anyone know how many amps the in-tank pump should draw?
by Wesman07
Sun Jan 12, 2020 9:35 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Low fuel pressure
Replies: 9
Views: 450

Re: Low fuel pressure

Got it running again. It was really flooded, all the plugs were wet. It runs the same with the fuel pressure regulator vacuum line disconnected as it does connected. When it’s running it idles smooth 90% of the time, but stumbles under a load or quick rev. I tried listening to the injectors but I co...
by Wesman07
Sun Jan 12, 2020 5:43 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Low fuel pressure
Replies: 9
Views: 450

Re: Low fuel pressure

That was my first thought FTF, as it’s been a problem before. It’s definitely not a vent issue. I pulled the line coming from the in tank pump. It moves plenty of fuel but I can barley feel pressure with my finger over the line. I know they aren’t meant to put out much, but I don’t know if it’s enou...
by Wesman07
Sun Jan 12, 2020 2:25 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Low fuel pressure
Replies: 9
Views: 450

Re: Low fuel pressure

It’s dry but I haven’t looked at it after it was running. I couldn’t get it started this morning.
by Wesman07
Sat Jan 11, 2020 11:25 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Low fuel pressure
Replies: 9
Views: 450

Low fuel pressure

I have an odd situation going on. My truck intermittently has low fuel pressure to the point it stalls and won’t restart for a few minutes. Both fuel pumps run and move fuel, fuel filter is new. Gas tank is about half full. I can see air in the return line. Am I wrong to suspect the problem is befor...
by Wesman07
Mon Jan 06, 2020 2:09 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Big cam small cam:
Replies: 5
Views: 519

Re: Big cam small cam:

Stall speed on the auto trans is a great point.
by Wesman07
Mon Jan 06, 2020 8:37 am
Forum: 240-300 "Big Block" Six Performance
Topic: Big cam small cam:
Replies: 5
Views: 519

Re: Big cam small cam:

Amongst many other things, that is a big cam change. Hopefully some of the pep can be brought back with some fine tuning.

How does your DCR compare between the two engines?
by Wesman07
Mon Jan 06, 2020 12:04 am
Forum: 240-300 "Big Block" Six Performance
Topic: Big cam small cam:
Replies: 5
Views: 519

Re: Big cam small cam:

I always like to hear feedback. Your fuel mileage says a lot. What are the specs of your custom cam?
by Wesman07
Thu Jan 02, 2020 12:35 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Permanent 300 Six Cyl Head CFM solutions- A Work in Progress
Replies: 496
Views: 79423

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

Sevensecondsuv You make some very valid points, but what you are suggesting to sacrifice is the REASON to buy Bruce’s head over “option B”. It’s not just CFM numbers, it’s smooth consistent and even flow. A motor with a bad port job will never run right. Bruce obviously takes a lot of pride in what ...
by Wesman07
Sun Dec 22, 2019 2:06 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Turbo 240 bit the dust. Hole in the block.
Replies: 43
Views: 1694

Re: Turbo 240 bit the dust. Hole in the block.

It looks like beam failure under compression to me. The bearing marks are a good indicator. I wonder what the combustion chamber and pistons look like? At 18psi you should be making 550-600lbtq? I’m wondering if some detonation pushed you over the threshold of what the rods can handle? I could be wr...
by Wesman07
Sun Dec 22, 2019 12:51 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Turbo 240 bit the dust. Hole in the block.
Replies: 43
Views: 1694

Re: Turbo 240 bit the dust. Hole in the block.

Posting for Phase3 https://fordsix.com/img/_data/i/upload/2019/12/22/20191222124656-8c96291f-sq.jpg https://fordsix.com/img/_data/i/upload/2019/12/22/20191222124604-41fc2cb7-sq.jpg https://fordsix.com/img/_data/i/upload/2019/12/22/20191222124510-3ee8dbba-sq.jpg https://fordsix.com/img/_data/i/upload...
by Wesman07
Thu Dec 19, 2019 8:23 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Turbo 240 bit the dust. Hole in the block.
Replies: 43
Views: 1694

Re: Turbo 240 bit the dust. Hole in the block.

Very interested to see what happened. Did you use stock rods?
by Wesman07
Thu Dec 12, 2019 10:30 am
Forum: 240-300 "Big Block" Six Performance
Topic: Coated pistons
Replies: 2
Views: 350

Re: Coated pistons

Many of the pistons I buy have coated skirts. I think it’s similar to Teflon? I cant say that if it helps. In theory, it should. Front and backs are always rubbed off when I open the motors back up. As far a break in requirements, I have heard so many conflicting techniques it’s not even funny. Some...
by Wesman07
Tue Dec 10, 2019 9:44 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Cylinder bore finish
Replies: 45
Views: 2644

Re: Cylinder bore finish

I guess not all engineers are created equal. Thanks for putting that one to bed.
by Wesman07
Mon Dec 09, 2019 4:22 pm
Forum: Turbo, Supercharger, and Nitrous
Topic: Ford should have done it
Replies: 43
Views: 1851

Re: Ford should have done it

Good thinking on the waste gate! I could not come up with a way around needing two waste gates.

I’ll have to make the alternator/ oil line call when I get to mock up.
by Wesman07
Mon Dec 09, 2019 2:20 pm
Forum: Turbo, Supercharger, and Nitrous
Topic: Ford should have done it
Replies: 43
Views: 1851

Re: Ford should have done it

Are you thinking the turbo would sit too low for the oil to drain back into the pan?
by Wesman07
Mon Dec 09, 2019 1:08 pm
Forum: Turbo, Supercharger, and Nitrous
Topic: Ford should have done it
Replies: 43
Views: 1851

Re: Ford should have done it

Yes but only by a few inches. If you look at the picture in post #30, it is taken about where the center of the turbo can live. It might be an inch or two lower than if I came right off an HD manifold.

Coming right off of cylinder #2 should put the compressor side under the alternator.
by Wesman07
Sun Dec 08, 2019 9:26 pm
Forum: Turbo, Supercharger, and Nitrous
Topic: Ford should have done it
Replies: 43
Views: 1851

Re: Ford should have done it

Id like to thank both of you for the input. This has been one of those things that I think about too often. My wife catches me "fake listening" all the time. She gives me that look, and says"Well Wes, is it turbos or suspensions?". Wrapping under and into the driver side would be...
by Wesman07
Sun Dec 08, 2019 3:40 pm
Forum: Turbo, Supercharger, and Nitrous
Topic: Ford should have done it
Replies: 43
Views: 1851

Re: Ford should have done it

I can fit it but it will be just about as close to the floor/fire wall, plastic heater box. I can come off of cylinder #3 and heat shroud the shock tower. The engine mount is right under that area so fitting the nice bends from primary to collector becomes almost impossible. The manifold would look ...
by Wesman07
Sun Dec 08, 2019 2:08 pm
Forum: Turbo, Supercharger, and Nitrous
Topic: Ford should have done it
Replies: 43
Views: 1851

Re: Ford should have done it

Do you see a place I can put it that won’t cause an issue?
by Wesman07
Sun Dec 08, 2019 1:07 pm
Forum: Turbo, Supercharger, and Nitrous
Topic: Ford should have done it
Replies: 43
Views: 1851

Re: Ford should have done it

I went through about six different designs and ended up on this one. It's still rough and without actually mocking it up I wont know if it works. The packaging limitations I have are about 8" vertical and 12" out off the block and the primary off of cylinder 1 must 90 down and 90 back hard...
by Wesman07
Tue Nov 26, 2019 7:27 pm
Forum: Turbo, Supercharger, and Nitrous
Topic: Ford should have done it
Replies: 43
Views: 1851

Re: Ford should have done it

Sdiesel Im definitely going to have a get a little creative. I’m trying to keep the plumping short for a quick response. I’m also trying to keep radiant heat to a minimum around the shocks and injectors. I’m working on some ideas using a 3D modeling program. I’ll post a screen shot when I think I fo...
by Wesman07
Sun Nov 24, 2019 7:41 pm
Forum: Turbo, Supercharger, and Nitrous
Topic: Ford should have done it
Replies: 43
Views: 1851

Re: Ford should have done it

How about the length of the secondary?
by Wesman07
Sun Nov 24, 2019 4:06 pm
Forum: Turbo, Supercharger, and Nitrous
Topic: Ford should have done it
Replies: 43
Views: 1851

Re: Ford should have done it

Thanks Lazy JW. It’s getting hard to find older trucks that are fairly in touched. I think this one survived because is so basic. I see potential. So I’m realizing that mounting the turbo in the standard location might not work for me. It looks like a better spot would be under the alternator. Twin ...
by Wesman07
Tue Nov 19, 2019 10:14 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Another piston and connecting rod combination
Replies: 28
Views: 2075

Re: Another piston and connecting rod combination

I just measured my single cylinder Ktm motor. I don’t think .052” is out of the park.
.031” rod to crank
.162” rod to piston

How accurate are the spacing between bore centers?
by Wesman07
Tue Nov 19, 2019 9:19 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Another piston and connecting rod combination
Replies: 28
Views: 2075

Re: Another piston and connecting rod combination

The LS engine family uses a wide range of great parts at a decent price. There are other combos the can probably benefit from LS designed rods. It looks like they make 6.125” as well. CRS6125O3DL19 Most of the engines I have worked on the rod is shimmed to the crank and the piston has a good amount ...
by Wesman07
Sun Nov 17, 2019 11:14 pm
Forum: Turbo, Supercharger, and Nitrous
Topic: Ford should have done it
Replies: 43
Views: 1851

Interesting. I’ll have to see what I can fit. Should I figure out the exhaust manifold before choosing exhaust valve size? I picked up a perfect truck for this project. I found a 2wd 1985 F250 out in Tacoma. 107k on the tach, nice interior, absolutely rust free. It snows enough there that 2wd trucks...
by Wesman07
Sat Nov 16, 2019 10:32 am
Forum: Turbo, Supercharger, and Nitrous
Topic: Ford should have done it
Replies: 43
Views: 1851

Re: Ford should have done it

Thank you for the explanation on valve springs. The theory’s seem like they correlate with what I know from suspensions, the lingo and the way they judge springs is just a little different. I like how seat pressure and installed height is focused on. “Open pressure” is where I find spring selection ...
by Wesman07
Tue Nov 12, 2019 8:51 pm
Forum: Turbo, Supercharger, and Nitrous
Topic: Ford should have done it
Replies: 43
Views: 1851

Re: Ford should have done it

Questions: 1) What defines the installed spring height? 2) To increase seat pressure without increasing open pressure much, you would need to add pre-load. This typically makes coil bind happen sooner. Longer valves and springs should help that, correct? 3) I was under the impression that hardened v...
by Wesman07
Mon Nov 11, 2019 9:59 pm
Forum: Turbo, Supercharger, and Nitrous
Topic: Ford should have done it
Replies: 43
Views: 1851

Re: Ford should have done it

I have no problem doing some hand work. Its the machines that I don't have. What I'm trying to do is keep this project reasonably priced. So far I'm looking at: $1,000 in machine work on the bottom end about $1,000 in pistons and bearing $2,000 for the Holley HP and wiring over $1,000 in Turbo parts...
by Wesman07
Sun Nov 10, 2019 7:24 pm
Forum: Turbo, Supercharger, and Nitrous
Topic: Ford should have done it
Replies: 43
Views: 1851

Re: Ford should have done it

Good to know. Does it make sense to set the motor up for an EQ head?

It “should” be an increase in fuel economy.
When Gramps JR head is available, it would be a direct swap.
by Wesman07
Sun Nov 10, 2019 1:27 pm
Forum: Turbo, Supercharger, and Nitrous
Topic: Ford should have done it
Replies: 43
Views: 1851

Re: Ford should have done it

Sounds like a good idea. I’ll have to see how much the motor cost before I can make that call. It looks like $500 in coils.

Question on the bottom end. How low can we get the compression down with a custom piston on a stock rod? Is an efi style head out of the question?
by Wesman07
Sun Nov 10, 2019 12:02 pm
Forum: Turbo, Supercharger, and Nitrous
Topic: Ford should have done it
Replies: 43
Views: 1851

Re: Ford should have done it

Nothing against coil near plug. Is the pay off really worth the added expense? I would also have to rely on an additional sensor...

Ford ran sequential injection off the tfi in 96. What was wrong with that?
by Wesman07
Sun Nov 10, 2019 1:19 am
Forum: Turbo, Supercharger, and Nitrous
Topic: Ford should have done it
Replies: 43
Views: 1851

Re: Ford should have done it

sdiesel wrote:knock sensors...
how come I'm believing it was the later years had knock sensors.
I have not heard they installed them as early as 87.


To my knowledge all fuel injection 300 came with knock sensors. Located above and behind the oil filter.
by Wesman07
Sat Nov 09, 2019 11:48 pm
Forum: Turbo, Supercharger, and Nitrous
Topic: Ford should have done it
Replies: 43
Views: 1851

Re: Ford should have done it

Its a tough call on the head. From what I can dig up, the carb head flows much better at low valve lifts and simply cleaning up the bowls does a good amount. I don't know if larger valves are worth it for the rpm it will see. As of now I am looking at roughly $1,000 for the bottom end work plus part...
by Wesman07
Sat Nov 09, 2019 9:50 pm
Forum: Turbo, Supercharger, and Nitrous
Topic: Ford should have done it
Replies: 43
Views: 1851

Ford should have done it

Its a bit early to start a thread but I think good planing will be beneficial. If all goes well, we will be buying our first house this spring and I will finally have a garage again. I am trying my best to hold off on picking up an engine until we move because I don't like to move things twice. This...
by Wesman07
Fri Nov 08, 2019 8:38 am
Forum: 240-300 "Big Block" Six Performance
Topic: Kieth Black vs Silv-O-Lite pistons
Replies: 16
Views: 1299

Re: Kieth Black vs Silv-O-Lite pistons

Yes fuel control/ delivery was a big one. Fuel injection was also a less complicated and cheaper option when you look at the whole package I would need. It’s really hard to beat MS/Holley. If done right, I bet fuel injection ends up being the more reliable system for sake of less moving parts. I als...
by Wesman07
Wed Nov 06, 2019 8:34 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Kieth Black vs Silv-O-Lite pistons
Replies: 16
Views: 1299

Re: Kieth Black vs Silv-O-Lite pistons

I’ve explored all the possible options over the last few years, and you have helped on a a few of them. I should really start a separate thread for this. The short answer is yes, yes, and 1-4,500.
by Wesman07
Wed Nov 06, 2019 7:08 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Kieth Black vs Silv-O-Lite pistons
Replies: 16
Views: 1299

Re: Kieth Black vs Silv-O-Lite pistons

Paul It’s looking like I will be going with a custom set from Auto Tech, 4300 series. Both you and the gentleman I met yesterday speaks very highly of them. I don’t think KB makes a piston that will get compression down to 7.8-8:1. My biggest concern with forged was the higher risk of cold seizures,...

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