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I think there’s way more to et, and mph then just hp. Car set up, clutch setup, air, and everything in between. The dyno to me is just a tool. That’s why I always go to the same dyno, and operator. Have went to others for people I assembled for, but for me, it’s same old same old. Otherwise, you will get lost.
 

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I think there’s way more to et, and mph then just hp. Car set up, clutch setup, air, and everything in between. The dyno to me is just a tool. That’s why I always go to the same dyno, and operator. Have went to others for people I assembled for, but for me, it’s same old same old. Otherwise, you will get lost.
That is very true. Im thinking with good chassis setup the 100 hp difference i see would get narrowed some. My heavyweight street style car setup really beats up the corrected numbers. I once changed a set of rear shocks on car to adjustable drag shocks. The result was nearly 4/10 of a second. Tell guys that and they have doubts. But the cheap competition engineering shocks i had did squat compared to double adjustable setup. I always use same dyno also.
 

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On the 6.16 run with the iron head engine, and the 5.85 run with the Dart/Buick engine, we were running a Single disc soft loc. Guys looking at our printouts stated with the proper clutch, there were .2 to gain with the proper clutch. Don’t know if it’s true, but we sure wondered what if?
 

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It really depends on how well the car is optimized. You could have a 1000 hp engine and not run that fast if the combo is way off. For instance my super stock 350 engines make about 615 hp. my car has run 6.20 at 3160 lbs. My car is pretty well science out. Take 650 Lbs off and I would be running 5.80 +- You are probably just about right at 680-700 hp by looking at your short times
 

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It really depends on how well the car is optimized. You could have a 1000 hp engine and not run that fast if the combo is way off. For instance my super stock 350 engines make about 615 hp. my car has run 6.20 at 3160 lbs. My car is pretty well science out. Take 650 Lbs off and I would be running 5.80 +- You are probably just about right at 680-700 hp by looking at your short times
Thats good times. My 3700lb tub with 702 6.9 was best.
 

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And I’ve posted this elsewhere, but the late Allen Stanfield went like, 5.42, at 134 in the 1/8th mile, and I think some 8.40’s in the 1/4 mile, at, I think 158 mph with a single 750 Holley, with a wedge headed 280” at 2,950#’s. That’s horsepower. I did the math at the time, and he had to be close to 3 hp per inch.
 
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