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Old 04-08-2012, 05:05 PM   #11
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Quote:
Originally Posted by Irving216 View Post
which year has a smaller one and how much smaller was it?
The 92-93 Gen 2 m62 has a 2.5" pulley
Your 94-95 Gen 3 m62 has a 2.8" pulley

I would scan the car for KR at WOT before you drop the pulley size. You could be seeing KR already, stock.

Also, those tubular exhaust manifolds flow well but tend to crack at the welds often causing false KR. You should remove/inspect/repair them.

Your downpipe is single walled and larger than a stock Series 2 DP. The cat is the bigget restriction in the exhaust.

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Originally Posted by Mike1995 View Post
Considering he'* a 95, he is already half way there to a full OBD2 system. Grab an L67 engine and PCM from a 97. Modding possibilities are almost endless.
There'* no real need to go OBD2 with a 94/95. All you need is a 95 L36 engine harness and a custom tune from gmtuners.com. Even though nobody seems to want to do it, these pcms are very tuneable.
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Old 04-08-2012, 07:02 PM   #12
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Originally Posted by Irving216 View Post
I actually (maybe because the old plugs were shot) feel a difference with these new plugs in it. I plan in today doing something with the intake. As far as exhaust, maybe I'll just cut some stuff out and reweld straight pipe in
Could be that your old plugs were bad. You could drop a K&N in your stock box OR you could put in a cone filter and really open it up.

Get some pictures up man!! If it'* red with tan interior, you have one of my dream cars.

"The 92-93 Gen 2 m62 has a 2.5" pulley
Your 94-95 Gen 3 m62 has a 2.8" pulley"

I didn't know that. Sorry I should have done a bit more research, don't know much about Series I'* and M62'*.
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Old 04-08-2012, 11:45 PM   #13
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Haha the stock air box was broken, the owner before mes 80 year old father had a little finder bender and took all the drivers side corner, headlight was done, side market, condenser, fenders cracked, bumpers cracked, I mean it'* bad but my horrid. I put a new light in and all. I threw my HKS filter onto the rubber hose for the stock intake my bro in law is going to trade me some tubing for some purple hornies I had laying around. As far as scanning it, I read it'* 1.5? Not obd ii!? I tried my scan tool and it doesn't read anything... Fuse is good, kind of worried... Every now and then it throws a light, mainly when I really beat on it...
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Old 04-09-2012, 07:25 AM   #14
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Correct, your 95 uses the OBD 1.5 system. I only know of one Actron scanner that can read this but forgot which model it is.
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Old 04-28-2012, 03:32 PM   #15
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The '95 SSEI is a Series I engine, but N/A trims are Series II? I never knew that.

A neat thing about Series II '95s is that with an OBD2 standard connector (they came with them) hooked to an Actron 9145 (the model is 8 years old, but I believe the newer 9185 will do this also) you get all of the same data as you can get from an Aeroforce gage, KR, trans temps, everything. '96+ you get the now standard crappy dozen or so readings without KR or even simple reads like ignition circuit Voltage.

(I swear I'm becoming a '95 bigot. I have a standing offer for my '98SSEI. I'm tempted to take it, find a "95 N/A which is a little less road weary than mine ,por-15 the entire thing, work it including a cam, and I'll have a perfect all-of-the-time car for me. IMHO, GM started to outsmart themselves '96+. In 18 years with the '95, it has failed me once.. the starter went all of a sudden. Otherwise just normal sensible preventative work.)
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Old 04-28-2012, 05:37 PM   #16
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My snap-on solus can read obd1 and 1.5.
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