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Stock LS1 -> 383 LS1

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Old Jan 12, 2006 | 06:09 PM
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Default Stock LS1 -> 383 LS1

Best route, what all is involved, is a forged crank needed, for high compression ~ 11.5:1 or more. 91-93 octane...possible and designed for street not strip >> longevity. LS6 intake, pp 241 heads or maybe 205s, cam equivalent to an F11 for a 383, Springs, will stock lifters work, will i have to go above .060 lift? etc. Please educate me....THANKS!
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Old Jan 13, 2006 | 04:50 AM
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https://ls1tech.com/forums/dynamometer-results-comparisons/384450-383-engine-dyno-results-graphs-included.html

Also, look at my sig for the Zo6.
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Old Jan 13, 2006 | 09:31 AM
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Thanks Spell!!!! That thread was extremely informative
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Old Jan 13, 2006 | 10:08 AM
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Best route is to call TSP and get a 402 shortblock already assembled. It just may come out cheaper.
http://www.texas-speed.com/shop/item...mid=43&catid=3
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Old Jan 13, 2006 | 11:55 AM
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i did 11:1 on 92 octane...think you can get away with 11.5:1.
dont need a forged crank for a cheap rebuild.
stock lifters will work
use at least 240+ cam so you dont leave power on the table
heads are where the power is...use AFR or ETP.....
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Old Jan 13, 2006 | 06:43 PM
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The more i see those TSP shortblocks, the more i want to rob a bank for one lol. What do you think about that Texas Giant Cam with the 248/254 for your set-up? Don't know the exact specs for it, but i think it should make some really sick power on a 383.
-Joel
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Old Jan 13, 2006 | 08:31 PM
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I love my 11.4 383. It didn't make great power but its fun. My cam is 246 248 .613 .615 114lsa. I am thinking of switching to the Texas giant
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