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Anyone tried using the Proform 950 body on an 850dp (4781)? The tech line for them said that they use the same baseplate but the 950 holley has 1 11/16 bore and the 850 has 1 3/4. Wont the 850 make more power no matter what they call it - bigger is better isnt it? I got the 950 body and set it...

I've got a 13:1 domed piston 446 with stock Edelbrock heads, a roller cam .630-.630 with 268 & 278 at .050, Mopar M1 single plane intake, going into a 70 Dart with 4:56 and 29" tires for drag racing only. I'm out of money cause I just bought a new Harley and I only have an 800 DP thats been...

I've got a 1970 Dart with a slant six K member and Schumacher mounts. What drag race oil pan will work with a 440 and no modification. My stock pan needed hammering to clear the drag link and I don't want to hammer on a new Milodon drag pan.

My engine builder recommended a new HP 950 carb for my new roller 440. I've read on two different sites that these carbs don't flow what they're rated at. ( the 950 is supposed to be like an 830 and the 1000 an 870). I'm told that these carbs are tested at 2.06" instead of the industry standard...

Anyone used these rods? And are they good to 700 or 800 horse like they say, or would I be better off with my six pack rods? My 13:1 roller 440 should be around 600 horse, but I'm sure I'll want more.

Why is a 451 so much better than a 440? I would have to pay a machine shop to put together a 451 ( to feel safe ) but a 440 would be simple in comparison. But I'm told the 451 will make much more power even if the compression ratio and cam are the same. Right, wrong or other?

I just ordered a comp cams solid .520 in .540 ex with 244 + 252 at .050. xs282. Just curious what it was run in and how well it performed.

How does a solid cam and lifter setup work. Won't the top end starve for oil with no hole in the lifter and pushrod and rocker arm?

I yanked my stock heads off my 383 yesterday and am replacing them with Edelbrocks 84cc head. I have zero deck and a single trough relief across the top of the piston 5cc. I am trying to find out my ultimate maximum valve clearance without buying a cam and installing it only to find I wasted my...

I have a manual brake 70 Dart. I put on discs in the front and have bigger drums running on the rear already. It stops ok but the front brakes drag because I left the drum master on and the residual pressure valves and for drums. I bought a MP Aluminum master 1-1/32 because it was recommended...

I just got a new Northern radiator from Don at FBO and am weighing my installation options. It would be easy to install in the original location and put my Black Magic fan in front as a pusher, but there is no room to put my tranny cooler. I would have to install it behind the radiator. Don't...

I have just bought edelbrock heads for my 383. Any idea how much piston to valve clearance I have with a zero deck and 84cc heads, 5cc relief? I'm unsure what cam to use. I have a 3000 stall in a Protrans, 4:56.1 gears,29.5x9 ET drag slicks, performer rpm with a holley 750vac sec with the block...

I have a problem in my powerband from 5400 to 5800 it doesn't want to rpm but after that it will rev cleanly again. I have a 383 with a purple 484 cam advanced 4 degrees ( I know that's not right - had wrong spec sheet on install ) stock 516 heads 9.5 compression, stock rockers, MP electronic...

I just got some used pro part headers for my 383 dart. 2" replacing the old dinged up 1/34. Anyone running these? Will I get much improvement? Any comments appreciated.