I Have a few ?'s

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Sep 1, 2005 | 10:26 PM

Red

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From: NC

I Have a few ?'s

Why am i running slower? Last year ran a 8.347 @ 84.962 mph with 10 bolt 3.42's and DOT slicks. Went to the track tonight with the new set up,12 bolt w/ 4.11's Dot Slicks and line lock.Tires were at 19.0 left line at 5,000 car felt bogging down in 1st-60'1.903,330' 5.47 and finished up with 8.46 @ 82.83 mph and (8.7,8.5,8.8).I hoping maybe the 4.11's would get me around 8.1 or better. I'm confused.

Sep 1, 2005 | 10:35 PM

Villain281H

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From: Gainesville, Florida # of drag strips runs: ?!?!?

Are the weather conditions the same between your best run and now? If you ran in good air and you're comparing it to summertime air that's a few tenths right there. How are the 60 foots and launching technique comparing? A 12 bolt is slightly heavier than a 10 bolt and will take a little more power to run, so there are a few things to look at here.

Derek

Sep 1, 2005 | 10:42 PM

Red

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Thanks for your help. I guess I'll try again when it gets cooler.

Sep 2, 2005 | 05:13 AM

Roush

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...If your motor bogges you might as well hang it up.

If you bogg the motor thats almost 1sec of time added to your 1/4 mile time if not more. so if the motor boggs just give up and hot lap it.

Sep 2, 2005 | 05:47 AM

transam1998

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Quote:

Originally Posted by Red

12 bolts are heavier than the stock 10 bolt. I also hear that they cost about 20 rwhp due to drivetrain loss.

I did not improve at all by installing 411s in my 10 bolt, but it has helped keep me from burning up clutches.