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Search found 821 matches

by MechRick
Sun Oct 09, 2016 11:31 am
Forum: 240-300 "Big Block" Six Performance
Topic: 300 in a F450
Replies: 28
Views: 3831

Re: 300 in a F450

you would be better off with a C.R in the 8.0 to 8.5 range For your application I would agree with this statement. If you foresee long periods of time at full throttle, and I bet you will with that much GVW, then mild is better. Combustion temps climb under this type of use. Detonation will be a pr...
by MechRick
Sun Oct 09, 2016 11:07 am
Forum: 240-300 "Big Block" Six Performance
Topic: Shakes like crazy after rebuild? Please help!
Replies: 9
Views: 1447

Re: Shakes like crazy after rebuild? Please help!

Maybe they screwed up the balance job? I don't think so, because you added: Rev it a little and it disappears. A balance problem would be there all the time (even on decel) and get worse with more rpm. Does it miss on one cylinder, or does it move around? it feels like crower sent me a lumpy, high ...
by MechRick
Sun Oct 02, 2016 5:00 pm
Forum: 240-300 "Big Block" Six Performance
Topic: looking for pistons for my soon to be supercharger 300
Replies: 3
Views: 716

Re: looking for pistons for my soon to be supercharger 300

The 240 rods are not going to be the best choice for a forced induction engine, IMO. If you look at factory turbocharged engines, typically the pistons change. the ring pack is spread out, and the top ring is usually dropped down away from the combustion chamber. Bigger pins are better for forced in...
by MechRick
Mon Sep 26, 2016 6:19 pm
Forum: 240-300 "Big Block" Six Performance
Topic: KING BEARINGS
Replies: 7
Views: 1055

Re: KING BEARINGS

Did they work well? Would you use them again? In what situation would one prefer a lead bearing to al aluminum one and vise versa? The aluminum bearings seem to last longer. I've plastigauged a few that passed and were reused. The downside is the quick and dirty method of checking wear (copper show...
by MechRick
Sun Sep 25, 2016 1:12 am
Forum: 240-300 "Big Block" Six Performance
Topic: KING BEARINGS
Replies: 7
Views: 1055

Re: KING BEARINGS

F-250 Restorer wrote:Has anyone used King Bearings?


I have. The ones I used were shiny also, and seemed to be harder than the average babbit used in TRW/Clevite, etc.
by MechRick
Fri Sep 23, 2016 12:34 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 1996. 4.9 with 1995 4.9
Replies: 5
Views: 1062

Re: 1996. 4.9 with 1995 4.9

Installed a 1995 4.9 in place of 1996 4.9. Have computer that matches 1995 Not sure why you want to do this. The '95 and '96 setups are very similar. Both are SEFI, MAF, etc... There will be *much* less diagnostic capability with the '95 brain. Not to mention smog issues, resale issues, etc... Can'...
by MechRick
Fri Sep 16, 2016 7:45 pm
Forum: 240-300 "Big Block" Six Performance
Topic: cam sensor for megasquirt (or eqv)
Replies: 18
Views: 2194

Re: cam sensor for megasquirt (or eqv)

Is there anyway to fire the plugs using the stock distributor? I know Megasquirt can handle it. Here's how it all works. The hall effect consists of a magnetic field generator and a pickup. When the vane on the distributor shaft blocks, or gets between the field generator and the pickup, output vol...
by MechRick
Wed Sep 14, 2016 2:24 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 93 f150 low fuel pressure after new pump
Replies: 10
Views: 1281

Re: 93 f150 low fuel pressure after new pump

Does the '93 have the high pressure pump on the frame rail? I can't remember the switch year.
by MechRick
Sat Sep 10, 2016 1:11 pm
Forum: Fuel Injection - Mega Squirt
Topic: Recommended Setup
Replies: 3
Views: 1709

Re: Recommended Setup

Going to hang on to this one a bit longer. It may end up in my Bronco II or a bracket car...
by MechRick
Fri Sep 09, 2016 6:26 pm
Forum: 240-300 "Big Block" Six Performance
Topic: analog oil pressure and temperature gauges
Replies: 11
Views: 2594

Re: analog oil pressure and temperature gauges

Is there a boss on the thermostat housing you can drill and tap?
by MechRick
Fri Sep 09, 2016 5:18 pm
Forum: 240-300 "Big Block" Six Performance
Topic: cam sensor for megasquirt (or eqv)
Replies: 18
Views: 2194

Re: cam sensor for megasquirt (or eqv)

MechRick wrote:exhaust and power strokes


In memory of Gene Wilder, strike that, reverse it.
by MechRick
Fri Sep 09, 2016 5:15 pm
Forum: 240-300 "Big Block" Six Performance
Topic: cam sensor for megasquirt (or eqv)
Replies: 18
Views: 2194

Re: cam sensor for megasquirt (or eqv)

There's no way to tell if it's on exhaust or compression so it just fires on both compression strokes Correct, for batch fired or bank fired injection. And waste spark ignition (which you described). In that type of system, no cam sensor necessary. However, for SEFI (Sequential Electronic Fuel Inje...
by MechRick
Fri Sep 09, 2016 10:56 am
Forum: 240-300 "Big Block" Six Performance
Topic: cam sensor for megasquirt (or eqv)
Replies: 18
Views: 2194

Re: cam sensor for megasquirt (or eqv)

You *can* get crank position from the cam, however, which is what the distributor essentially does.
by MechRick
Fri Sep 09, 2016 10:55 am
Forum: 240-300 "Big Block" Six Performance
Topic: cam sensor for megasquirt (or eqv)
Replies: 18
Views: 2194

Re: cam sensor for megasquirt (or eqv)

As long as the cam sensor is reading from the cam. You can't get cam position from the crankshaft.
by MechRick
Thu Sep 08, 2016 3:21 pm
Forum: 240-300 "Big Block" Six Performance
Topic: analog oil pressure and temperature gauges
Replies: 11
Views: 2594

Re: analog oil pressure and temperature gauges

Be careful with the neoprene type oil pressure gauges. Years ago I had one blow the tube out of the compression ferrule and I lost 5 quarts of oil in about 30 seconds. Since then I use the electric type.
by MechRick
Wed Sep 07, 2016 7:37 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Over/under size bearings
Replies: 11
Views: 1475

Re: Over/under size bearings

I've seen oversize (and undersize) bearings used for cam journals. Cheap remanufacturers will grind cam bearing journals undersize to save a cam. And the block oversize to save the block. Also, metric undersize bearings will be stamped std, .25mm, .50mm instead of std, .010", .020". The co...
by MechRick
Tue Sep 06, 2016 2:43 pm
Forum: 240-300 "Big Block" Six Performance
Topic: cam sensor for megasquirt (or eqv)
Replies: 18
Views: 2194

Re: cam sensor for megasquirt (or eqv)

a hall effect sensormounted in the timing cover and a magnet on the cam gear might work?? Some of the General's engines are set up this way. The magnet sometimes gets loose and moves, causing a perplexing no start. We remove the sensor from the timing cover to see if the magnet is still at TDC. Inc...
by MechRick
Sun Aug 28, 2016 11:49 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Big Six aluminum head update 9-14
Replies: 198
Views: 93630

Re: Big Six aluminum head update 9-14

Put the exhausts away from the steering column / box - and the distributor This answers a question I've had for years. I've wondered why inline engines designed for right hand drive always seemed to have intakes on the right side and exhausts on the left. How about some cut down V8 hEMI 4.1875"...
by MechRick
Wed Aug 24, 2016 11:39 pm
Forum: Fuel Injection - Mega Squirt
Topic: Recommended Setup
Replies: 3
Views: 1709

Re: Recommended Setup

No emission standards where I am Are you in the states? Realize that even though certain areas don't emission test, The EPA still has the right, if not the inclination, to prosecute emissions violations. And lately they have been trying to clarify the stipulations of the Clean Air Act to keep modif...
by MechRick
Wed Aug 24, 2016 11:53 am
Forum: 240-300 "Big Block" Six Performance
Topic: New Carb on the Scene!
Replies: 49
Views: 8117

Re: New Carb on the Scene!

I didn't experience any heat issues with the Edelbrock I did, on my Bronco. On a hot summer day, the heat soak would boil all the fuel out of the bowls, creating a hard restart. But my summer days are 117 degrees F. Switching to a Holley 390 fixed it. Mileage was the same, The Carter/Edelbrock had ...
by MechRick
Wed Aug 17, 2016 12:08 pm
Forum: 240-300 "Big Block" Six Performance
Topic: EEC IV Distributor end play
Replies: 13
Views: 1841

Re: EEC IV Distributor end play

Ok, got it. And my answer is I don't know.

I've done a bunch of pickups over the years, never saw that loose though.
by MechRick
Wed Aug 17, 2016 12:13 am
Forum: 240-300 "Big Block" Six Performance
Topic: EEC IV Distributor end play
Replies: 13
Views: 1841

Re: EEC IV Distributor end play

There is a bronze bushing that is pressed in the pickup end of the distributor, maybe it popped loose?
by MechRick
Tue Aug 16, 2016 7:58 pm
Forum: 240-300 "Big Block" Six Performance
Topic: EEC IV Distributor end play
Replies: 13
Views: 1841

Re: EEC IV Distributor end play

.035" sounds about right to me. The bevel of the gear will pull it down when running. No worries.
by MechRick
Mon Aug 15, 2016 11:27 pm
Forum: Electrical, Audio, and Electronics
Topic: MY TRUCK TRIES TO START ITSELF!
Replies: 5
Views: 2738

Re: MY TRUCK TRIES TO START ITSELF!

Sounds like the fender mounted solenoid stuck on you.
by MechRick
Sun Aug 14, 2016 12:50 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Cloyes "Straight up" Is actually Retarded?
Replies: 25
Views: 4215

Re: Cloyes "Straight up" Is actually Retarded?

username wrote:Melling, I thought it was a Comp cam? Now I'm really confused as to what cam you have


/viewtopic.php?f=2&t=73244

Tough your way through that, it explains what I did and why.
by MechRick
Sat Aug 13, 2016 1:38 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Cloyes "Straight up" Is actually Retarded?
Replies: 25
Views: 4215

Re: Cloyes "Straight up" Is actually Retarded?

Rick, I'm confused now, your sig says stock cam installed straight up but earlier you said you degreed the DNJ set with a comp cam; was that a different engine or is the info in your sig outdated? Is the actual stock cam timimg assessment assuming the set you used isn't retarded or did you use a de...
by MechRick
Fri Aug 12, 2016 10:06 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Cloyes "Straight up" Is actually Retarded?
Replies: 25
Views: 4215

Re: Cloyes "Straight up" Is actually Retarded?

In that case, I'll get a 4 degree key and put it on the crank, since the crank gear *slides right off*.
by MechRick
Fri Aug 12, 2016 7:41 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Cloyes "Straight up" Is actually Retarded?
Replies: 25
Views: 4215

Re: Cloyes "Straight up" Is actually Retarded?

If one had the resources to order both sets and set them on top of each other, it would become clear. But now you have me thinking about ordering the adjustable Cloyes set to experiment with the 4 degrees advanced slot.
by MechRick
Fri Aug 12, 2016 7:06 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Cloyes "Straight up" Is actually Retarded?
Replies: 25
Views: 4215

Re: Cloyes "Straight up" Is actually Retarded?

The mystery deepens. When I look on Comp's website it recommends part number 3224 for gears. Application is '65-'92. Single keyway on both gears. I had thought I compared the key position between the stock fiber gears and the DNJ set, to verify they were indeed advanced from the stockers. But it's b...
by MechRick
Fri Aug 12, 2016 2:37 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Cloyes "Straight up" Is actually Retarded?
Replies: 25
Views: 4215

Re: Cloyes "Straight up" Is actually Retarded?

Found this: https://fordsix.com/viewtopic.php?f=2&t=33805 My set is a DNJ components TK4107A. Aluminum cam gear, steel crank gear, single index keyways. I degreed these with a Comp 268H and found them to be within 1 degree of straight up. Perhaps the newer fiber cam gears are the ones that are r...
by MechRick
Fri Aug 12, 2016 11:01 am
Forum: 240-300 "Big Block" Six Performance
Topic: Cloyes "Straight up" Is actually Retarded?
Replies: 25
Views: 4215

Re: Cloyes "Straight up" Is actually Retarded?

The way I chose my gearset is by model year. At some point, when looking up progressively older part numbers, the part number will change.

I think it was a late '60s or early '70s set that I ordered. These are not advanced like the EFI gears.
by MechRick
Thu Aug 11, 2016 7:37 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Looking for a little assistance
Replies: 9
Views: 1360

Re: Looking for a little assistance

Now on the hood, is a decal. TIMING NOT ADJUSTABLE Reminds me of the tag on most electronic items, "no user serviceable parts". Hogwash. Yes, the timing is adjustable. Anything other than the spec of 10 degrees BTDC is technically illegal. Thus the tag. Number 5? First I had heard of this...
by MechRick
Mon Aug 08, 2016 11:14 am
Forum: Transmission & Drivetrain
Topic: ZF5 S5-42 Swap
Replies: 3
Views: 1386

Re: ZF5 S5-42 Swap

Hmmm, strange. I had to body lift my '85 Bronco to get the ZF to fit. When I swapped it in the '94, It fit with no issues. The tunnel cover was taller on the newer truck.

Maybe the NP435 requires a taller cover?
by MechRick
Sun Aug 07, 2016 12:25 am
Forum: Orphan Inlines
Topic: Mercruiser 170 / 470 IO engine
Replies: 8
Views: 2341

Re: Mercruiser 170 / 470 IO engine

http://www.jalopyjournal.com/forum/thre ... er.256713/

They run a Chevy bellhousing. The biggest problems (in boats) were excessive compression leading to headgasket problems, and the cam driven alternator. It is all fixable though.
by MechRick
Sat Aug 06, 2016 11:21 pm
Forum: Transmission & Drivetrain
Topic: ZF5 S5-42 Swap
Replies: 3
Views: 1386

Re: ZF5 S5-42 Swap

You will need the tunnel cover off a newer truck, as they clear the tall ZF. The trans crossmember will have to be relocated and modified. I used a trans mount off a C6 as they are lower. The rear driveshaft will need to be shortened, the front lengthened. If your truck is an extended cab shortbed, ...
by MechRick
Thu Aug 04, 2016 9:52 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Fuel Injected 300 for long distance off road (photos)
Replies: 27
Views: 5000

Re: Fuel Injected 300 for long distance off road (photos)

The exhaust valves run much hotter than the intakes. Additives in the fuel turn the valves that color.

The whiter valves were running hotter, probably leaner.
by MechRick
Sun Jul 31, 2016 4:59 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Double check me on this
Replies: 5
Views: 1007

Re: Double check me on this

I'm really surprised how small of a piece the crank gear catches on the key; it's tiny. The key isn't structural, it's just a locator. Once the balancer is pressed on and the bolt tight, the key is just along for the ride. Duratecs don't have a key and rely on bolt tension alone, for both the pulle...
by MechRick
Sun Jul 31, 2016 11:37 am
Forum: 240-300 "Big Block" Six Performance
Topic: Double check me on this
Replies: 5
Views: 1007

Re: Double check me on this

If you are advancing the cam, you want the crank counterclockwise in relation to the cam. So when viewing the key from the front of the engine, the offset would kick right (driver's side).

This only applies to engines that turn clockwise, of course.
by MechRick
Fri Jul 29, 2016 10:26 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Fuel Injected 300 for long distance off road (photos)
Replies: 27
Views: 5000

Re: Fuel Injected 300 for long distance off road (photos)

The stock six mount (driver's side, I think) will hang out in space on the V8 crossmember. I welded a plate of 1/4" over the hole and drilled the holes for the six mount. No big deal. This was on a 1986 Bronco that started life with a 351 Windsor. I swapped in a Cleveland and a 5.0L before sett...
by MechRick
Fri Jul 29, 2016 8:06 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Fuel Injected 300 for long distance off road (photos)
Replies: 27
Views: 5000

Re: Fuel Injected 300 for long distance off road (photos)

Also, the V8 crossmember will have a big hole in it for oil filter access. You will have to bridge it with steel to give the six mount a place to set.
by MechRick
Fri Jul 29, 2016 7:01 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Fuel Injected 300 for long distance off road (photos)
Replies: 27
Views: 5000

Re: Fuel Injected 300 for long distance off road (photos)

MAF upgrade from a 95 california edition for a better MPFI system I would run the MAP system. Simpler to plumb, more tolerant of vacuum leaks, less sensitive to dust. You could always carry a spare in the glovebox (along with a spare TFI). When I freshened mine thirty-odd thousand miles or so ago, ...
by MechRick
Wed Jun 29, 2016 4:43 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Head and cam swap questions
Replies: 13
Views: 2388

Re: Head and cam swap questions

Put 4.10s in it. 3.08 is too damn high for 33s I agree. My second 4.9 I lifted with 33's. Went from 3.08 gears to 3.73's, and belatedly realized it wasn't quite enough. 4.10/4.11:1 would suit the heavy meats better. I'm working on a 240 to 300 head swap. Do I reuse the 240 rods and lifters, or use ...
by MechRick
Fri Jun 17, 2016 2:32 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Pilot bearing pain. Really.
Replies: 5
Views: 987

Re: Pilot bearing pain. Really.

The inside race was trashed. All the rollers missing or just up in the crankshaft recess. What's the condition of the input shaft? I used to use grease, a hammer, and a matching extension I watched a guy do it with chewed up paper and a socket on an extension one time. Seemed to work well. I'm plan...
by MechRick
Tue Jun 14, 2016 11:29 am
Forum: 240-300 "Big Block" Six Performance
Topic: Megasquirt and mpg
Replies: 16
Views: 1946

Re: Megasquirt and mpg

How much flow can we get out of a fast burn head without ruining the swirl? My truck is getting a tp38 turbo once I'm comfortable with my tuning ability and cam/head modifications You can run a bigger intake, but make sure the valve to shroud distance stays the same. I ran massive dished pistons th...
by MechRick
Mon Jun 13, 2016 4:45 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Megasquirt and mpg
Replies: 16
Views: 1946

Re: Megasquirt and mpg

My total timing is 29 degrees, but it doesn't go all in until 3000 rpm or so. It seems these efi combustion chambers just don't like much timing Mine seems to run best at 12-14 degrees initial. My chambers and ports are not stock though, and the cam is advanced to straight up. Don't know if this af...
by MechRick
Mon Jun 13, 2016 2:43 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Megasquirt and mpg
Replies: 16
Views: 1946

Re: Megasquirt and mpg

The fuel cut settings will net you better fuel economy. I had mine set up to kill injector pulse on decel and downhill coast. Had it set so aggressive that throttle tip in would trailer hitch a bit, but for ultimate mpg it works. I assume you are running a wideband in table mode? When tweaking mixtu...
by MechRick
Sun Jun 05, 2016 11:45 pm
Forum: 240-300 "Big Block" Six Performance
Topic: wet sleeves
Replies: 43
Views: 6462

Re: wet sleeves

I don't know of any engine that the head studs run to the main caps. Just about anything engineered after 1990 or so. The one that pops into my head is the Cadillac Northstar, but the 4100 did too. Pretty sure the 4.6L Mod anchors into the main web, by the length of the tty bolts. Fords have always...
by MechRick
Sun Jun 05, 2016 10:47 pm
Forum: 240-300 "Big Block" Six Performance
Topic: New engine, mounts and fan/shroud now interfere
Replies: 14
Views: 1900

Re: New engine, mounts and fan/shroud now interfere

The mounts or mount brackets change from 1/2 ton to 3/4 ton. 3/4 tons are taller. (Something to check).
by MechRick
Sat Jun 04, 2016 8:32 pm
Forum: 240-300 "Big Block" Six Performance
Topic: O2 sensor 1996 4.9
Replies: 6
Views: 1733

Re: O2 sensor 1996 4.9

Could the exhaust leak be causing the code? Yep, it sure could. I'd try that before spending real money on cats and O2 sensors I agree. Fix all your exhaust leaks 1st, clear the codes and let the monitors reset. *Useful tech tip* When trying to clear the OBDII monitors on Fords, make sure the fuel ...
by MechRick
Fri Jun 03, 2016 2:09 pm
Forum: 240-300 "Big Block" Six Performance
Topic: O2 sensor 1996 4.9
Replies: 6
Views: 1733

Re: O2 sensor 1996 4.9

I had a mechanic run it on their code reader and told me that the truck (96 f-150 2wd 4.9) probably needs an o2 sensor. ...Then that's not a mechanic. Classic misinterpretation of a catalyst monitor code. You have 3 sensors on the truck. The 2 that are upstream of the catalytic converters are for m...

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