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Did a W2 340 about twelve years ago in a Duster with 4.30s I think. It is still running 10.80s@125 on the 8 3/4 with 10" slicks. I have a few punkins and housings for 9". I have an extra set of 3.90s for an 8 3/4" (1 3/4 stem) that was in my car with the 360. When I stuff the 9" in there, the...

What body? What's it run, ET & MPH? I appreciate the info, it will help give me a handle on my project and hopefully save me some grief, cash, and blind alleys. TIMINATOR

How much HP have you consistently tun with the girdled block? Thanks for the 8 3/4" info too. It's worth more running than broken. 9" has now been put on my short list. Thanks. TIMM

I'm talking about stock 440 2 bolt caps to aftermarket cross bolted caps, and what machining is required.

Thanks again, but it sounds like more work and cash than I was hoping. I guess I'll just concentrate on making it fast. TIMINATOR

Thanks for all the info everyone! I'm not gonna change the fenders, but I will weld up the side marker lites, I do on most of my old stuff. Time to figure out what plan B is... I'm not a fan of the "sad face." But I built the car back in the 90s for the customer and the price was right. I got...

I have a 1972 "frowning" grille Challenger, has anyone installed the earlier "non frowning" grille? Bolt in? Minor or major surgery? Are the bumpers the same? My bumper has a not so minor dent anyway. Anyone make a fiberglass front bumper? Does anyone have a rear deck lid "ducktail spoiler in...

I tried both NASCAR folks and haven't heard back yet either. Prolly busy last week with holiday stuff. If I had the room, I would put on the display shelf with the Latham and Frenzel blowers, the 6-71, turbine APU, pulse jet and other cool stuff, but I guess I could extend the shelf...

Prolly evil bay if no one here needs it... It looks cool!!! TIMINATOR

So, anybody have info on this manifold? P/N 05045215AA It is new and untouched, with no porting. Info I found says it fits a P8 head on a R6 block. Which is Greek to me, being a lowly dragracer. Anyone know if it can be made to work on something else, or if the rest of the motor can be bought...

If you are a dragracer, as I am, you have better holding power on the line and a higher footbrake stall with larger rear drums. I typically use a 9" Ford rearend and add a heavy half ton rear drum setup on my GM cars. On my street Nova, (reasonably big pump gas HP, ran 9.68 @ 141 in full street...

Do you still have the Challenger ducktail wing for sale? What brand is it? How old? THANKS!

I think the strength of the 9" has to do with the 3rd pinion bearing on the nose of the pinion, supporting the pinion from both sides with 3 bearings. The 8" has the same deal also. I have not broken any of those rearends, but I have seen a 9" years ago with the punkin case cracked at the...

If I break the 8 3/4, I will upgrade then. As an interesting side note about the 8 3/4, years ago I ran a Super Comp dragster, 427 brodix headed, [email protected] solid roller Chebbie, glide, 5500 stall with trans brake and 4.10 gears with a 1 3/4" pinion. It ran 8.40s @ 167, but I wanted a better 60...

I have: 3 billet main cap kit 5 billet main caps kit 5 billet main caps with cross bolted center 3 cap kit. Has anyone done the crossbolted caps? How about experience with reliable street HP levels of the different caps and stock caps with ARP studs, which I will use with any caps I go with. My...

Header tube diameter, tube length, collector diameter, and collector length will all affect torque and horsepower production. Larger diameters will "rock" the torque curve around point of peak torque favoring HP and diminishing torque, while smaller diameters and longer lengths favor torque...

Was the 1 7/8" a misprint? 1 5/8" on a street small block works great, but 1 7/8" drops the bottom end torque.

1 7/8" headers are race only deal. They will kill all the torque below 4500 rpm. Bad choice for your dual plane intake and small FT cam. You really want about 260 @ .050 and a Victor Jr. Intake with those headers. A better street combo would be 1 5/8 headers, dual 3" exhaust with crossover at...

I'm in Avondale,AZ. if you need any local engine/drivetrain expertise. I'm doing a 72 Challenger with a 512 transplant. Mine was a 318 car, then mild 360, then a stroker/ roller cam 390" motor with a lo gearset 904, next a 440 ported and cammed 727 trans currently until the TFS headed, solid...

My 72 p/s, p/b,a/c big block Chevelle had underdrive crank pulleys, and both the a/c and p/s worked fine. It did have 3.73 gears and a 3000 stall though. No issues at idle in a parking lot at all. TIMINATOR