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

350 LT1's in the 11's?

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Old Oct 25, 2007 | 06:33 PM
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Default 350 LT1's in the 11's?
I just got my car into the 11's recently. Best pass was an 11.72 at 114.44. My car has a BONE-STOCK shortblock with a cam/heads. I see TONS of 383 LT1's in the 11's but not many N/A 350's in there. I figure with a new tune I should see 11.5's easy. We just put a single plane intake on it with a custom elbow, and had NO TIME to tune. It didn't have the best throttle response and ran a little stumbly. It was acceptable, but just not crisp like it should have been.

Anyways, my question is this.....How fast has someone gotten a stock block 350 LT1 to go N/A?
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Old Oct 25, 2007 | 07:24 PM
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WOW a h/c lt1 in the 11's whats ur setup if u wouldnt mind sharing
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Old Oct 25, 2007 | 07:27 PM
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lol there is many cam only lt1 in the 11's

stock shortblock n/a i believe is about a 10.4....considering the cam only ( STOCK HEADS AND BLOCK) record is an 11.2
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Old Oct 25, 2007 | 07:38 PM
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Stock LT1 on Nitrous here. Gears Long tubes, tune NOS. Full weight Convertible.
11.32@121
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Old Oct 25, 2007 | 07:40 PM
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Zex-Z what size shot and gears do you have?
Last edited by projekt70chevelle; Oct 25, 2007 at 08:11 PM.
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Old Oct 25, 2007 | 07:53 PM
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Originally Posted by daniel6718
lol there is many cam only lt1 in the 11's

stock shortblock n/a i believe is about a 10.4....considering the cam only ( STOCK HEADS AND BLOCK) record is an 11.2

I figured there were quite a few. I wish the top 50 lists were as complete as they are for the LSx cars though, I guess us LT1 guys don't take it as serious. 10.4 is hauling ***, I'd like to know the details of the setup. I have some weight reduction to do yet, but I'd have to hit a PERFECT day, with pristine weather, and the rest of the stuff I don't have yet (k-member, a-arms, manual rack) to see 10's. And by that I mean a 10.99, just squeaking in.
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Old Oct 25, 2007 | 07:58 PM
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Originally Posted by cruzin94
WOW a h/c lt1 in the 11's whats ur setup if u wouldnt mind sharing
Mildly ported TFS heads, Comp XFI 468 cam 242/248 .584/.579 on a 114, Professional Products Super Hurricane single plane intake modified for LT1 bolt pattern, custom elbow, 58mm TB, custom ram air, pacesetter lt's, hooker mufflers off the headers, th350, 5000 art carr stall, dana60 w/3.73's, weighs in around 3350 with me in it.
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Old Oct 25, 2007 | 08:02 PM
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Daniel not to be picky but I have the stockblock/stockhead cam only record at 11.15 119.86. Street Car not a stock eliminater car. Frank95z
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Old Oct 25, 2007 | 08:34 PM
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frank...i know you have the cam only record....i just didnt know you made it in the teens...what all room do you have for improovement?
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Old Oct 25, 2007 | 08:54 PM
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Daniel Stockheads are sitting on shelf right now. If i ever decide to get serious for the stockhead record I would go with weight reduction currently 3325 with me in it,Radials instead of Bias ply tires,more gear,and more converter. For now I have some lightly ported heads and i'm doing a lot of bracket racing not concerned about all out runs. Current setup running low 11.20's at 120 thru mufflers in bracket mode. Frank95z
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Old Oct 25, 2007 | 10:45 PM
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Joelster how does the XFI cam perform for you. I ran the CC306 with around the same amount of mods as you with bigger heads. I only got a 12.1 out of that setup and was thinking of switching my cam to the XFI 468 but all I heard was bad things.
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Old Oct 26, 2007 | 05:58 AM
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I really don't like it to be honest.Mine is about a year old and is ground on a 114. I guess the new ones are ground on a 113. I would bet that a slightly smaller cam on a 110 would pull just as hard up top.
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Old Oct 26, 2007 | 06:32 AM
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I have done 11.9 150 miles from home at about 4150lbs. 3400 stall 4L60E 3.73s.

AI ported aluminum LT1 heads and a cam mid 220s on the intake.
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Old Oct 26, 2007 | 07:40 AM
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If you get the Weight down on these cars with slicks, 11's is very attainable even with just bolt-ons!
Last edited by kinglt-1; Oct 26, 2007 at 07:52 AM.
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Old Oct 26, 2007 | 10:15 AM
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Shon Herron got a bolt on car into the 11s
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Old Oct 26, 2007 | 10:38 AM
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My best is 11.04 at 119 mph, stock bottom end LT4 heads custom cam.

Like the others have said, many Lt1's in the 11's
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Old Oct 26, 2007 | 11:53 AM
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Almost everyone going fast is using a custom cut cam, that should tell you somthing
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Old Oct 26, 2007 | 12:55 PM
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Originally Posted by slick1851
Almost everyone going fast is using a custom cut cam, that should tell you somthing
not really....
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Old Oct 26, 2007 | 03:12 PM
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Originally Posted by TAEnvy
Shon Herron got a bolt on car into the 11s
No way an LT1 bolt-on car can go 11's!
Steve...
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Old Oct 26, 2007 | 03:48 PM
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Originally Posted by SAR2K
No way an LT1 bolt-on car can go 11's!
Steve...
Shon Herron.
11.8s I do believe.

Check the fastest Lt1s list. Its a Sticky at the top of the Lt1 Section
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