LT1-LT4 Modifications 1993-97 Gen II Small Block V8

?are 9.50s realistic thru lt4 heads an intake..

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Old 01-16-2011, 09:31 AM
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Default ?are 9.50s realistic thru lt4 heads an intake..

I have been doing lots of research trying to figure out my next step..So many times people are saying stock intake is good until( Big Hp) like what? The heads I hear can flow round 300cfm worked properly @.600lift..I have a callies forged internal 11.8cr 396 with je pistons and rings gapped for spray.Im going to a custom grind sr cam but have to make decision on heads n intake first..Sorry I should those goals are with spray...any helpful advice appreciated...thx
Old 01-16-2011, 09:59 AM
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They are enough.

Ask Sikora
Old 01-16-2011, 10:30 AM
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yep 9s are possible for sure
Old 01-16-2011, 10:31 AM
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Thanks puck,,I feel like if its not broke then dont fix it..any other opinons out there,or point me to someone who has similar setup I could reference..thx
Old 01-16-2011, 11:00 AM
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http://advancedinduction.com/AiHome.htm

LT4s will get it done on spray but there are better options. That car is NA. It went high 9s with ported LT1 heads and intake.
Old 01-16-2011, 11:53 AM
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Originally Posted by 96capricemgr
http://advancedinduction.com/AiHome.htm

LT4s will get it done on spray but there are better options. That car is NA. It went high 9s with ported LT1 heads and intake.
Good info 96capricemgr,ive heard nothing but good things about AI.If I sell my current heads soon AI is probaly going to get my business.If not mine are going to the shop and I will work with what I got..
Old 01-16-2011, 11:59 AM
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Yup it can be done and Im going for it.
Old 01-16-2011, 12:48 PM
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Originally Posted by AChotrod
Yup it can be done and Im going for it.
Good luck,i will be following ur build..How do like ur nitrous outlet kit? Im thinking of going with one this time around.
Old 01-16-2011, 12:51 PM
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Its very bad *** and works great! I havent had time to hit the track with it but it works great on the street. I will upgrade to a direct port system someday so I can spray it a bit harder.
Old 01-16-2011, 01:11 PM
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Originally Posted by AChotrod
Its very bad *** and works great! I havent had time to hit the track with it but it works great on the street. I will upgrade to a direct port system someday so I can spray it a bit harder.
What computer system are u running if u dont mind me asking?
Old 01-16-2011, 01:21 PM
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Yes, it's doable and I have the heads/cam setup to do it forsale. My goal was to run 9.20's-30's with this setup but I have changed directions. I am building my rollcage to 8.50 cert so my car needs to al least run 8's. My current 383 with LE3 heads/SRcam setup ran 10.80@127.8mph on pumpgas N/A and only made one n2o pass, 9.92@136mph on 100Hp n2o. Now I maybe stepping up to a BBC so I am selling this proven setup for cheap. Later
Old 01-16-2011, 01:23 PM
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Originally Posted by Hit em Up
What computer system are u running if u dont mind me asking?
Stock.
Old 01-16-2011, 01:51 PM
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stock pcm, stock ported heads can get you in the 9s!!!
Old 01-16-2011, 05:08 PM
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Ed Wright and Joe Overton were in the 9s with LT4 heads
Old 01-16-2011, 05:34 PM
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Originally Posted by hitmanws6
Ed Wright and Joe Overton were in the 9s with LT4 heads
Indeed, and Sikora ran 8s with LT4 castings.

They get a lot of hate on here, but they have a lot of potential. If LT4s were made in more cars the gap between LT and LS cars would have been a lot smaller .



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