M62 Supercharger R&R/Rebuild - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Forced Induction All questions and problems regarding Superchargers, Turbos, NOS, ZEX, intercoolers, water injection, etc.

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Old 02-15-2003, 11:21 PM   #1
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Default M62 Supercharger R&R/Rebuild

Done. Took me 4 hours taking my sweet time. Didn't go bad at all. Got the SC coupler changed, flushed out really well. New o-rings in the injectors (needed those badly), and drilled my thermostat (more on that later).

I'll get some pics up some time tomorrow (after Daytona), and write a few thoughts on this process as well as the pro'* and con'* of drilling bypass holes in your thermostat.
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Old 02-16-2003, 03:08 AM   #2
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how did the rotor edges look when you took off the sc. also you can open up the bottom V opening in the sc to improve airflow too. did you get your pulley yet?
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Old 02-16-2003, 03:20 AM   #3
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What do you mean drilled your T-Stat.
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Old 02-16-2003, 03:43 AM   #4
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i think he is talking about drilling a relief hole to allow any trapped air to escape and to have some coolant flow past to help reduce the temps
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Old 02-16-2003, 01:10 PM   #5
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Yes, that'* EXACTLY what Will is talking about!
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Old 02-16-2003, 01:18 PM   #6
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Where do you drill on the t stat
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Old 02-16-2003, 01:43 PM   #7
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you want it between the "O" ring gasket and the center of the thermostat on the flat part of the part. usually like a 1/16" -1/8" hole is plenty big enough
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Old 02-16-2003, 02:46 PM   #8
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DON'T do this if you live in a harsher winter climate than Oregon or Florida. More info coming when I get it written up!
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Old 02-16-2003, 03:50 PM   #9
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i did mine when it was 12 degrees outside, and now its snowing so bad here we have gotten almost 8" so far today.
so tell me, what did yje edges of the rotors look like,where they shiney or where the dull gray from the teflon
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Old 02-16-2003, 04:10 PM   #10
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More of a dull gray except on the flat part of each blade, there were a few minor scratches from housing contact (old contact, the scratches were filled with carbon buildup). It cleaned up nicely, and I'd say 98% of the original teflon is intact. Remember, my car only has 80k of easy miles on it. It was a company exec'* car first, then a retired couple, then sat for 5 years after the last owner died.

I took pics, but not after the rotor cleanup. Sucker (blower ) looked brand new when it went back on.

I busted a couple vacuum lines yesterday. Gotta replace those today. I also had slop in the coupler, on the pulley side. It was a good fit on the gear side. Feels and sounds alot better now with the ZZP coupler. It allows for flex, rather than letting it wear.
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