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I'm sorry man; I just don't get it. That your engine already gets rubber in three gears, clearly indicates that your engine already has a preponderance of power, but for some reason you want more. What's the point? I'm just gonna take my dumb azz down the road. Happy HotRodding.

and 235/75-15s? that would be like 65= 1960 rpm, with the 3.55s. 4.10s would increase that by 15.5% to 2265, still acceptable, IMO. I get pretty good fuel-economy at 65=2240. 4.10s are like a half a gear. That will really help those wide NV3500 splits, from Third gear and on. In my 430 hp car...

Don't get me wrong, I like the SOHC 4.7 design, I really do. And 235 net hp is pretty doggone strong for the displacement. In the Jeep it rose to 265 net, a heck of a thing. That is likely to compare to 312hp crank, which is early 340LA territory. I'm guessing you realize that; > cams just...

IF yur getting rubber in 3 gears, why hop it up? The 4.7 is too small for a truck in the first place; that's just 287 measly cubes. How much does that truck weigh? Supercharge it or leave it be.

If it was mine and I had money; 408 Stroker/A518/Dana and monster meats, with ladder bars. But since I'm not rich; About a 6liter/A500/ 8.75 with custom slapper bars and something like 325s on the back, and trying for 275s on the front. But I'd still run alloy heads and cylinder pressure in...

D is my code for Distributor, cause it's 11 stinking letters long, and when talking about timing, that word gets typed a lot. I used to type "Dizzy", but some guys over on FABO said it was gay or something. So I stopped. My apologies for not telling you in the post. I edited the post to reflect...

The picture in post#4 is of an electronic Ignition distributor. The gap spec on that one is set to in the range of .008 to .011, and is set using a Non-Magnetic feeler gauge. The gap is not super critical cuz I have seen then as tight as Zero, and all mine will work up to at least .030, the...

Well that would depend on where the rotor is...................... The distributor can be installed just two ways due to the union of the slot and the tang at the interface. Assuming the number one is at TDC compression, then yes the rotor should be pointing to #1 Cylinder.(or #6 if in...

me be lurking

https://www.facebook.com/marketplace/item/7214028938619869/?ref=search&referral_code=null&referral_story_type=post&tracking=browse_serp%3Abfa5a680-f969-44c8-b1ee-1344e1fc112a Nice enough looking 26yo truck, but between; no pics of the typical rust areas, and being so far away from me, and...

pics and price

My guess is your AIS motor is wide open. which is easy to prove. If the sucking sound starts to diminish right after the engine starts up, then the programming is dialing it back, which would be the right thing for it to do. It sounds to me like one or more of your injectors are draining the...

that goes to post #3.

As for speaking about; " a bit of a cam"; Each "size" of cam, in the "bit of a cam" range, drives the power peak up about 200rpm. But in these small cam sizes, the peak is broad and flat so hard to pinpoint exactly where it is; And I've never been able to find A 200rpm change by seat of the...

and that would be, because, the governor flyweights are all wrong. The governor gets it's "signal" from the spinning driveshaft, which is now spinning way slower than before, because of the larger tires. The 3.91s will increase the driveshaft speed and so, the the auto upshifts will increase...

I wanna run something by you. Lets say your current gears are 3.21s. The ratios in the TorqueFlite are 2.45-1.45-1.00, and the transfer case is a 2:1. In terms of road ratios (all gears times the rear ratio) this is; 7.86-4.65-3.21, and in low range this is doubled so 15.72-9.30-6.42 If you...

Well then what kind of cylinder pressure is the 318 pumping out? If below 145psi, that is a big problem, and it will take quite a bit of convertor to get out of that hole. The 3.91s will be a big improvement, and you always have Low-range. Since you have several convertors to chose from, I...

Going from 2.94s to 3.91s will increase your rpm at any speed by 3.91/2.94= plus 33% Going from 3.21s to 3.91s is; 3.91/3.21= plus 21.8% But , 33s with 3.91s is still 65=2600 at zero-slip, maybe plus 3% in TC slippage. This is a reasonable cruising number but; Off the line, at zero mph, with...

AHA!, thanks for the update.

well, his location is Sidney so you never know what's gonna happen, lol. It might be interesting.