Quote:
Originally Posted by FED 387
Mopar Jeff---Most Comp cars weigh considerably less than a Stock/SS car ---pro cars all weigh 2350 min wt- MOST COMP cars weigh about 1180-1600 for a dragster and from about 2300-2900 for a door car although some are a little lighter or heavier depending on the combination/class---granted most pros have 1190-1300 hp but they are spinning the tires a bit at the hit with the power they have and they all have 40 spline set ups too--Most pros run the 9 1/2 inch Dewco gears along with the Dewco spool---Some run MW or Strange and a few use a Moser spool---The high HP Comp LIGHT WEIGHT cars all use 40 spline parts mostly Dewco some also use Strange/Moser/MW too- Those lightweight cars weigh anywhere from about 1100-2400 pounds weight wise--- no comparison to a 3500-4200 pound Stock /SS car they also use Carbon Fiber or aluminum drive shafts Again NOT recommended for HEAVY cars.--I'm not trying to convince ya on what to run just merely trying to enlighten ya on why certain types of cars utilize certain kinds of parts. If it works for YOU great but ya better be diving in that rear end every weekend or so to check for any signs that might predict failure--Those 10,00 RPM launches are brutal on drivelines--I honestly believe that the typical Stock or SS car RARELY pulls the rear or axles out to check them and if at all maybe one time a season whereas we take the driveline out after every other weekend to check !!! If alum works for ya or Titanium is legal and ya don't wanna run steel OK---If ya are happy with Steel stuff OK too----It's all in your combo what works for me may not work for you and vice versa-- Your still not looking for that coupla extra thousandths which can translate into hundreths tho like a comp or Pro car is--Comp 387
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Fed 387,
Thanks for your detailed explanation, and I was only referring to the part about Stock/SS guys not looking for every last hundredth or thousandth. I would imagine most people when building or changing a car, weigh the options and try to squeeze anything extra they can. That is how you become the fast car of the class. Any class that is going to potentially be heads up would obviously do that if funds permit. No ill will intended at all, just making a statement.
When I built my rearend, I would have put an aluminum spool in because I have a low horsepower combo. The only problem was that no one makes one for the Ford 8.8. So I went with the lightened steel one instead. Maybe I wasted some money on all that good stuff back there, but at least I tried, and I can't ever put the blame on not buying the best stuff. Take care and thanks for your input.