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

LT1 build.

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Old 09-08-2014, 07:00 PM
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Well it dint go as planned but I'm glad we caught the wiring issue now. Had a buddy come over to look at the interior wiring that was having issues before I put the car down and he found some scary **** with bare wires I knew nothing about. Looks like next weekend will be plenty of interior wiring clean up and fixes and go from there.
Old 09-14-2014, 01:11 PM
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Well its done, we lost track of time and worked on the car from about 2:30 pm to 4:00 am lmao but she moved under her own power forward and reverse for the first time in 4 years!

I want to get it somewhat cleaned off and maybe it's first drive around the block today.
Old 09-14-2014, 03:54 PM
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After I washed it, car needs paint.
Attached Thumbnails LT1 build.-20140914_134042.jpg  
Old 09-14-2014, 04:44 PM
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Originally Posted by hrcslam
LOL, those Turbos do quite a bit of silencing...
noise is energy......LOL....loudly.....
Old 09-15-2014, 08:52 PM
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Took it for 2 short drives just to get an idea what it will do, got the turbo to spool but still need to program the AEM Tru-boost along with T in another vacuum line but she is coming along.
Old 09-17-2014, 08:08 PM
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Well found some leaks, had to kinda get creative with some O-rings and my valve cover bolts but so far so good.

Bad news is I'm pretty sure my driver side header flange isn't flat and is leaking on 3 ports so I need to figure that out. Need either a thicker gasket to try or take it off and take a trip to the machine shop to have it milled smooth.

Any one know of a good thick gasket to try, I'm using the felpro 1406 I believe.
Old 09-17-2014, 10:36 PM
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Some pics.
Attached Thumbnails LT1 build.-20140917_180130.jpg   LT1 build.-20140917_180224.jpg  
Old 11-28-2014, 08:44 PM
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Long story short I was never happy with the driver header and the leaks were getting worse so I pulled the header tonight and to say the least I'm not happy with this header at all.

I can either drop a ton of work into this header that I'm not thrilled with or take my time this winter and build a custom one on the car with some help.. I really wish I would have never used lt1boost to help on this build, it's been nothing but a nightmare from the get go and a lot of wasted money I feel.

Last edited by 94LTZ; 11-29-2014 at 10:24 AM.
Old 11-29-2014, 09:50 AM
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That's too bad - I know how you feel. When I bought SLP stainless headers (way back when Moby Dick was a minnow) I couldn't believe they sent them out that way. The 3 individual flanges (bad choice to begin with) were not only twisted, but uneven on different planes. I called them up to bitch about it and ask how this could happen using a jig, but they just said they would probably seal up and they weren't getting complaints from anyone else. It took me 2-1/2 hours on a shop belt sander and a few coarse belts to even out the flanges - I shouldn't have had to do any of that... And there was no way in hell those were going to seal up as uneven as they were. As if headers weren't already hard enough to install. I sometimes wonder if these places have ANY semblance of quality control or ANY outgoing inspection before some kid boxes them up and sends them out. Anyway, good luck with getting that resolved and maybe doing it yourself gets it done right at least. Looking forward to seeing it when it is finished!
Old 11-29-2014, 12:51 PM
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Far as a great exhaust gasket Earls Pressure Master is an aluminum frame with graphite inserts. Never seen them leak.
Old 11-30-2014, 08:59 PM
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Some pictures of the driver header, ordered new flange last night and hope to get this thing fixed up soon.
Attached Thumbnails LT1 build.-20141128_184907.jpg   LT1 build.-20141128_185651.jpg   LT1 build.-20141128_185704.jpg   LT1 build.-20141128_185639.jpg  
Old 11-30-2014, 09:03 PM
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While I have it apart I did the LS1 steering joint mod to get rid of the rag joint, pics were taken after I re - clocked it but this mod is very easy.
Attached Thumbnails LT1 build.-20141129_165108.jpg   LT1 build.-20141129_170715.jpg  
Old 12-01-2014, 01:23 PM
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Originally Posted by 94LTZ
After I washed it, car needs paint.
Where did you get the SS hood from?
Old 12-01-2014, 01:46 PM
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Off a car my buddy was using for a swap project, it's fiber glass but no idea on what company made it.
Old 12-02-2014, 10:03 PM
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Got the old flange cut off, need to clean the pipes up but new flange is due here on Thursday so I can get this kit put back together leak free.
Attached Thumbnails LT1 build.-20141202_202624.jpg   LT1 build.-20141202_202654.jpg  
Old 05-10-2015, 03:58 PM
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Still need to get the header fixed, finally got another set of heads to use on my extra short block for mock up and welding. Just need to get the time, hope to have her going by this summer and do some shake down passes.
Old 05-12-2015, 11:31 AM
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In4 more pictures of the car overall.
Old 05-12-2015, 11:45 AM
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What kind of pictures you looking for? Interior, under the hood, etc..?
Old 05-12-2015, 07:00 PM
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Originally Posted by 94LTZ
What kind of pictures you looking for? Interior, under the hood, etc..?
I would like to see some massive burnout pictures.
Old 05-12-2015, 07:43 PM
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Originally Posted by 99.9percenter
I would like to see some massive burnout pictures.
Once I get the header put back together I will see what I can do, I did test out the line lock in the garage and it does work!


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