1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

SC Lower Intake Gasket Change (Pics/tutorial)

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Old 09-18-2005, 10:54 AM
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Very cool write up...



How'd you end up with that dwarf middle toe on your passenger side?!?!
Old 09-18-2005, 02:24 PM
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That is the result of being an early 70'* baby.

Smoking was allowed during pregnancy as was drinking. I look at it this way, if life dealt me a short toe and a folically challenged scalp I doing well.

No back issues..no health problems...I'm bald w/a short toe.... yep...I'll take it.

Now get your butt back on topic or I'll throw some supercharger coating at you!
Old 09-18-2005, 09:25 PM
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Ok..reinstall. All gasket surfaces were cleaned on night 1

Day 2 (yesterday) Cleaned throttle body and cleaned supercharger. (DO NOT clean a supercharger..the epoxy coating came off the rotors with regular throttle body air intake cleaner). I drank a lot with my buddies Randy and AJ, we drank more. I cleaned my positive battery terminal, replace bolt and spacer. Cleaned some underhood grime, did I mention we drank even more? I need a much larger recycle bin.
Then we cleaned the fuel injector holes in the heads (they were full of dirt)
I snap the pic as Randy asks AJ to hold his hose They did a great job on the injector holes

Beer in one hand..camera in the other.
We hung out and drank more. by now I wasn't doing anything productive.

Day 3 Reassembled supercharger, put back onto car. Changed the o rings on each injector by using a pick to ease them off, clean surface and reinstall new one. A little vaseline on each made them slide into the fuel rail like butter. Aligned rail so all injectors were over their respective homes and gently wiggled each. Again..went right in like butter. Tube of vaseline $1.99, injectors sliding in nicely = Priceless.

Putting all the parts back on in reverse order was boring and you'd think you were looking at disassembly pics. And bang.. I drop one of the last screws going in. I'm looking and searching with the light. Do you see the screw I need?????

You are right..it'* sitting right there in the open. ahhh an easy one.

Bust part of the BCA while putting it all back on.. JB weld til I can get one. JB weld is a temp fix..not the answer and has since failed. (Don't ban me for that one Bill..but you had to go before I could tell you )

Filled it back up w/coolant, turned key off and on about 3-4 times to prime the fuel rail. Cranked over and started right up.

Have test drive it about 40 miles so far. All is sealed up and running good.

Side note:
Coolant elbow slides in and doesn't seem like it'* seated or in well enough to hold pressure, but it does.
SC Pics
Nosedrive

Inside nosedrive

right behind nosedrive..green thing is the coupler..rotors are on the back of this part

Empty shell casing
Old 09-19-2005, 01:31 AM
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Thanks again, Bill, for taking time for pics and the useful (and entertaining) "blow-by-blow commentary! (BTW, it was nice to hear it whine again )
Old 09-19-2005, 01:07 PM
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I had placed a nice call to CRC (product I used) Mentioning I used it on the SC and it peeled the coating.

A nice woman called and gathered the information and details from me. Will be sending me a claim form and asked for product date codes from the can etc, along w/pics and any documentation I may have.

All claims are reviewed by a quality team and depending on their findings they will work to correct the issue with me.
Old 09-19-2005, 06:04 PM
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excellent write up im thinking about switching my head gasket beacuse its leaking out the back side, how much did you pay all togther for the gaskets and what not
Old 09-19-2005, 07:25 PM
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Head gasket leaking? Are you sure? That'* RARE. Be absolutely sure.

A full topend gasket set should be around $60-70 US for EVERYTHING including all the little items. You should do your SC coupler at the same time.
Old 09-19-2005, 09:56 PM
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The intake set was about $65 it'* a second design and was great. Only had intake gaskets.
The SC base gasket included o rings was $10
The TB gasket was $6
Coolant...$8/bottle
Brake cleaner $2/can
TB Cleaner and charger killer $3/can

While I was there I changed all the hoses..that added up a little.
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