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

Just got done running the Buick at the track...

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Old 07-11-2009, 01:12 AM
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Default Just got done running the Buick at the track...

Well, it's definitely passed it's prime. Staged up, didn't heat the tires(tire) and then did a smokey and the bandit impersonation down the track. Promptly got kicked off for dropping oil. (Yes, I was one of THOSE guys.)

I'm a little torn. The engine still runs well but it likes to drop oil @ WOT apparently. The tranny still shifts awesome. Car will idle all day in 100 degree weather with the A/C on. Interior is still pristine and aside from some minor UV damage on the plastic exterior, the paint is still great. I'd like to put some speed in it but I'm still just hanging on maybe just enjoying it for what it is. I have no doubt I could turn this car into a drag monster if I wanted to.

Car has 155K miles on it now.

What would it run me to do a basic rebuild on this car?
Old 07-11-2009, 01:28 PM
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Put it on a lift and get some one to rev it to WOT and see where its leaking from. then fix your issue. Don't try and fix something that is not broken.
Old 07-11-2009, 01:45 PM
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Originally Posted by Wooshie
Put it on a lift and get some one to rev it to WOT and see where its leaking from. then fix your issue. Don't try and fix something that is not broken.
I agree find the problem.
Old 07-12-2009, 07:44 PM
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its an LT1, it probably has a leaking intake manifold gasket (or more specifically, a leaking glob of silicone at the back of the intake)
Old 07-12-2009, 07:58 PM
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Originally Posted by 1995blacktattop
its an LT1, it probably has a leaking intake manifold gasket (or more specifically, a leaking glob of silicone at the back of the intake)
lol very true
Old 07-12-2009, 11:10 PM
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Do these LT1's have issues with oil leaks?
Old 07-13-2009, 07:35 PM
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I have not had any particular issues with oil leaks. Sure the oil cooler lines have gotten old and needed reclamping and I screwed up a WP drive seal and a few other things but I have owned my sedan since early 2000 and currently own 2 wagons as well, have put a combined over 200K miles on these cars, their current total milages range from 145K on the "low miler" to 227K on the high miler.

Competence of the mechanic behind the wrench is the biggest "problem" LT1s have.
Old 07-13-2009, 07:53 PM
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Originally Posted by LS1vazquez
Do these LT1's have issues with oil leaks?
only if there is oil in the engine

common leaks include the intake manifold gasket, oil pan gasket, and valve cover gaskets
Old 07-13-2009, 09:19 PM
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..and the rear main doin mine tomorrow
Old 07-13-2009, 09:36 PM
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Originally Posted by z_speedfreak
..and the rear main doin mine tomorrow
oh yeah that too. i had mine done as preventative mantenance when i had my trans rebuilt a couple years ago. i had those other 3 things done last summer



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