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370 with 2.3l lysholm blower ran 10.9

Old May 13, 2014 | 04:30 AM
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Originally Posted by Blown06
I can promise you that isn't the case.
Originally Posted by 03sierraslt
Ya I agree. Da does effect times.
Yep!
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Old May 13, 2014 | 04:31 AM
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Nice run OP!
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Old May 13, 2014 | 08:01 AM
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Thanks. Yep I normally run better in a lower da. In my home town I see 2 psi less then at sea level with the same pulley.
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Old May 13, 2014 | 08:58 AM
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Originally Posted by Blown06
I can promise you that isn't the case.

I have seen little or no effect on a DA of over 3500ft difference in cars and motorcycles.

But all cases are different to a degree (may effect superchargers more so than turbo cars). Just my input on 24 years at the drags.
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Old May 13, 2014 | 01:48 PM
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Heres a video of the pass
YouTube
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Old May 13, 2014 | 07:53 PM
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370 lsx lysholm 2.3 t56 silverado runs 10.9 - YouTube
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Old May 13, 2014 | 08:53 PM
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Great mph. ET will get better and better
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Old May 18, 2014 | 08:42 PM
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Nice run!
Care to share your cam specs? Just curious if it is a large split, high lsa and advance that alot of shops seem to be specing for positive displacement blowers lately. Your truck is definitely making the power and rolling out. The 150* IAT's are good too for that much boost out of a 2.3L.
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Old May 19, 2014 | 09:23 AM
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Originally Posted by gnd111
I have seen little or no effect on a DA of over 3500ft difference in cars and motorcycles.

But all cases are different to a degree (may effect superchargers more so than turbo cars). Just my input on 24 years at the drags.
It does seem turbos fare a lot better than blowers @ high DA just from my limited observation. Awesome run OP!
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Old May 19, 2014 | 09:56 PM
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Originally Posted by BigKID
Nice run!
Care to share your cam specs? Just curious if it is a large split, high lsa and advance that alot of shops seem to be specing for positive displacement blowers lately. Your truck is definitely making the power and rolling out. The 150* IAT's are good too for that much boost out of a 2.3L.
You guessed it. Cam specs are 230/248 600"/595" 119+5lsa. It really has a wide power range
It kills off some of the massive low end and moves it higher in rpm range. Idles great and tuning was easy. So far I am very happy with it.
A few more specs on this setup
Tms 370 stock crank.
Diamond pistons & H beam rods.
Cnc lsa heads. 10.4 compression.
1 7/8 fbody headers.

Hopefully I will get a chance to dyno it soon.
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