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

Finally got some dyno #'s and track times for my LE2 setup

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Old 08-08-2009, 08:17 AM
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Default Finally got some dyno #'s and track times for my LE2 setup

Well it's been over a year since I did the LE2 swap to my car and I finally put the car on the dyno and ran it at the track. In the last year I have put a few thousand miles on the setup and it does not skip a beat. I've taken it on some long trips and its been a pleasure and a blast to drive. Anyways here's the setup:

Stock Bottom End
LE2 Heads (Undesirable 561 castings that were on my car stock)
Bret Bauer 224/230 .570's Camshaft (old grind Lloyd offered at the time)
1.6RR's
LE Ported Manifold
58MM TB
Long Tubes
2.5" TD's
30# SVO's
Racetronix Fuel Pump
PCMforless Mail Order Tune

CPT "Pro Race" 4L60E
Yank PT4000 Stall
Stock 10-Bolt w/ 3.73's

LCA's
Subframes
Tq. Arm
Relocation Brackets
Stock Springs
Sam Strano Lowering Springs

Stock WS6 rims upfront with M/T ET Streets mounted on 16" Firebird wheels out back.

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So...a couple weeks ago I decided to put the car on a local DynoJet just to see how the A/F ratio is with my PCMforless Mail Order. A/F looked great so I decided it was time for the track. The car only put down 359rwhp so I will admit I was slightly discouraged but I've never been one to get too caught up in dyno numbers especially with stalled auto's.

Last night I ran the car at Maple Grove which isn't the fastest track around but the closest to me (1 hour and 15 minutes). I drove the car up made 3 passes then headed home.

First Pass: 11.959 at 113.11mph w/ 1.65 60'
Second Pass: 11.881 at 114.38mph w/ 1.65 60'
Third Pass: 11.883 at 114.31mph w/ 1.65 60'

Considering the car needs a valve adjustment and a dyno tune I feel that the car has alot left in it. Not to mention if I run the car at Atco which I notoriously run 2 tenths faster at, I think this thing should cut mid 11's next time out! Overall I'm extremely happy and satisfied! My goals with the car before purchasing the LE2 setup were to keep things on a tight budget, have a reliable setup that was a blast to drive, and run 11.99 or faster. My goals have been met so I couldn't ask for more!

BTW, exactly 2 years ago I ran the car at the same track when it was stock so it was real cool just comparing the slips to see how far it's come so far

Last edited by StealthFormula; 08-08-2009 at 08:38 AM. Reason: added time slip
Old 08-08-2009, 08:30 AM
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Congrats Stealth!!!! That is a killer setup
Dont get caught up in dyno numbers stalled autos never dyno good i know from experience.
There is alot left in your car and low 11's are in your future..
Old 08-08-2009, 08:50 AM
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You would pick up ~2 tenths and 2 mph with 4.11's in the back. 11.4@118-119 in good air would be no problem.
Old 08-08-2009, 09:11 AM
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Cograts ! very very nice job.
Old 08-08-2009, 09:47 AM
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Congrats on the good numbers. My Z build is quite similar cammed, I like the results.
Old 08-08-2009, 10:50 AM
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Nice to crack 11s!!!Congrats!!!
Once you get it worked out and a Dyno tune youll see alot more from it, plus cooler weather will also help alot. Any idea what the DA was?
Old 08-08-2009, 11:06 AM
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do you have a holley tb?
Old 08-08-2009, 11:15 AM
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Hey bro it's good to see you back! I think you have some more power hiding in there. Good job on the 11's!
Old 08-08-2009, 11:18 AM
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very nice run man and yes you will see those mid 11s soon
Old 08-08-2009, 11:20 AM
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Originally Posted by toby
do you have a holley tb?
I believe he does
Old 08-08-2009, 11:26 AM
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congrats

The tune and better weather will get you mid 11's which is great IMO for the combo.

it's just another POS LT1 right? they can't be fast
Old 08-08-2009, 11:42 AM
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Thanks everbody!

Originally Posted by AChotrod
Nice to crack 11s!!!Congrats!!!
Once you get it worked out and a Dyno tune youll see alot more from it, plus cooler weather will also help alot. Any idea what the DA was?
Nope, I'm not sure how to figure that stuff out I will have to look into it.

Originally Posted by toby
do you have a holley tb?
I have a Professional Products. I originally had a Holley it was kinda finiky.

Originally Posted by LS1 SPEED
congrats

The tune and better weather will get you mid 11's which is great IMO for the combo.

it's just another POS LT1 right? they can't be fast
Yea they are garbage! My dad makes fun of me sometimes because both my parents own LS2 vehicles but they were the ones watching my piece run 11's from the stands haha.
Old 08-08-2009, 11:48 AM
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Looks Like Da was just over 1000 and your track is 206 above sea level. The DA wasnt terrible
http://www.dragtimes.com/da-density-...time=8:54%20PM
Old 08-08-2009, 11:50 AM
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Originally Posted by AChotrod
Looks Like Da was just over 1000 and your track is 206 above sea level. The DA wasnt terrible
http://www.dragtimes.com/da-density-...time=8:54%20PM
O nice, thanks for doing that! I can't wait to go to Atco in the fall, that place is dead nuts sea level and is a fasttt track.
Old 08-08-2009, 11:56 AM
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if you dont mind me asking stealth what rpm were you shifting at?
Old 08-08-2009, 12:00 PM
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Originally Posted by RED94Z28
if you dont mind me asking stealth what rpm were you shifting at?
I checked my shiftpoints on the dyno and they are at ~6400rpm with stock diameter tires. But, I was running 26" M/T's so the car was probaly shifting a tad low like about 6300rpm for my three runs last night.
Old 08-08-2009, 12:01 PM
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Originally Posted by StealthFormula
Thanks everbody!



Nope, I'm not sure how to figure that stuff out I will have to look into it.



I have a Professional Products. I originally had a Holley it was kinda finiky.



Yea they are garbage! My dad makes fun of me sometimes because both my parents own LS2 vehicles but they were the ones watching my piece run 11's from the stands haha.
nice

Atco in fall will post some good results
Old 08-08-2009, 12:13 PM
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Good deal, I take it you got the valvetrain issues taken care of. I never seen an update on your old thread about the noisy lifters? Congrats on breaking in the 11's!
Old 08-08-2009, 12:45 PM
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Dude nice numbers... definitely more left init.. get it dynotuned
Old 08-08-2009, 12:57 PM
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Was the converter Locked when you dyno'd the car? just wondering. Very nice numbers and track times. Congrats Man.


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