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

"Race car" on the street.

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Old 03-28-2014, 09:07 AM
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Default "Race car" on the street.

Needed to do some test hits after getting her back together, so the guys offered to film that evening's shenanigans. Mark even edited some footage and made a video.

Not tuned yet, but it's fat so OK to do some pulls. Crankcase evac kit and dyno session to nail the tune down are both coming up .

Thanks to a buddy for the dealer tags and insurance card from his dealership.

Old 03-28-2014, 09:38 AM
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Cool video. Will you be making it to the LTx Shootout this year?
Old 03-28-2014, 11:18 AM
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I liked the editing but the fly-bys got to be real repetitive. What's the specs on the car?
Old 03-28-2014, 12:56 PM
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Originally Posted by muddyjimmy
Cool video. Will you be making it to the LTx Shootout this year?
That's a great question. Still have a ways to go after several years of bad luck with the car. It will also depend on whether a few friends are going.

Originally Posted by sweetbmxrider
I liked the editing but the fly-bys got to be real repetitive. What's the specs on the car?
Yeah, the main purpose of taking the car out was to do some test hits. The video was a byproduct.
Car is a 398 LT4 with AFR's and Lloyd Elliott massaged LT4 intake. Yank 4000, built 4L60E and Stange 12 bolt.
Old 03-28-2014, 01:07 PM
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Killer yo
Old 03-28-2014, 06:40 PM
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cool video and nice car
Old 03-28-2014, 08:34 PM
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It sounds great but, I wil tell you what that built 4L60 won't last long down shifting it like that. Mine will make pass after pass at the track no issues but it doesn't take long on the street when a beat it like you were.


Hope you make the shootout.
Old 03-28-2014, 08:49 PM
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Appreciate the input, but I've owned the car since '95 and been racing it since '96. I've got a great builder and no, I don't do that on the street often. I needed to test a few things.
Old 03-28-2014, 08:52 PM
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Originally Posted by DUDCOUPE
Killer yo
Originally Posted by myltwon
cool video and nice car
Thanks guys. It's good to have it back up and running. I'd dragged my feet over the last few months, and was busy with other car projects, but finally got it back up on March 1st. Need to synch schedules with Tony and get it tuned and then hit the track. It's been too long.
Old 03-28-2014, 10:46 PM
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Cool video.. But ya for some reason them 4l60e's are ok when up-shifting but won't last long when down-shifting..
Old 03-29-2014, 02:44 AM
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Real nice!
Old 03-29-2014, 08:39 AM
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Originally Posted by NewOrleansLT1
Cool video.. But ya for some reason them 4l60e's are ok when up-shifting but won't last long when down-shifting..
I've found this to be very true. I've believe the problem is related to the violent kickdown then quick upshift you get when you floor it on the interstate or going over 50 or so. It shifts in and out of 3rd, and that is the most vulnerable clutch pack. I've just rebuilt my transmission with heavy duty 3rd speed setup and then spent some time reprogramming the transmission to not down shift out of 3rd ever when I floor it, since it makes so much power anyway, I don't need it to do that. The burnouts on the interstate were cool and all, but they take a heavy toll on the 3rd clutches trying to disengage and reengage all at once on a high boost power curve. Especially since some builders seem to leave out the little booster springs that help disengage the clutches as trade-off for a better 3rd apply. I'm sure no transmission builder, nor an expert, but I'll see if my (our) theory pans out this summer.

Cool car by the way - thanks for the video.
Old 03-30-2014, 10:21 AM
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Originally Posted by NewOrleansLT1
Cool video.. But ya for some reason them 4l60e's are ok when up-shifting but won't last long when down-shifting..
No worries. The car is not a roll racer. It's a 1320 car. It may never really see the street again. Williamson County Sheriff Dept and I are both tired of "discussing" it.
Old 03-30-2014, 10:23 AM
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Originally Posted by TWS
Appreciate the input, but I've owned the car since '95 and been racing it since '96. I've got a great builder and no, I don't do that on the street often. I needed to test a few things.

It's cool man I wasn't trying to come across as a know it all just trying to help a guy out.
Old 03-30-2014, 02:39 PM
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Originally Posted by BADHAWK51
It sounds great but, I wil tell you what that built 4L60 won't last long down shifting it like that. Mine will make pass after pass at the track no issues but it doesn't take long on the street when a beat it like you were.


Hope you make the shootout.
Interesting....so you auto guys with 400+hp can't beat on it from a roll at 60+ MPH reliably? I drop 2-3 gears all the time to mess with somebody or scare people going slow the fast lane all the time Gotta love the T56!



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