Hi OZ,
The chip has been tuned for my ZZ4 setup...
Requested idle after warm-up is 725rpm...idles between 725 and 750 with 1.6V coming from the MAP sensor.
Problem is not noticable at idle, only while under load in gear.
Thanks for the diagnostics.
Hi all,
I have a 1980 with mildly modded ZZ4 and TPI. The PCM/ECU is from a 1990 and is a MAP system, not MAF.
I am getting an intermittant error code 33 - MAP voltage high - low vacumn. The engine runs normally, and then starts to run rough -hesitate/stumble. Within a few minutes the...
I don't have first hand knowledge of tire compound differences, but what I was referring to was the 17" sidewall's different flex than the 15". The 255/50-17's I put on have a sidewall that's 50% of the tire width. The 255/60-15's I took off had a sidewall that was 60% of the tire width.
When...
I have 17x8 American Racing Torq Thrust II's installed with 255/50-17 tires. No one has addressed the huge difference in the way vettes handle with the larger rim and lower profile tires. There is a massive difference in cornering ability with the 17" wheels vs. 15" wheels. My .02
I have a 1980 with American Racing 17"x8" Torq Thrust II wheels and Bridgestone Potenza RE750 255/50-17 tires installed. The wheels were purchased with the correct offset and backspacing. I don't have Steeroids installed. I have stock trailing arms. The tires have never rubbed anything except...
This is a quote from the original posted ad for the 1971....
"Corvettes, IM pleased to offer a 1971 BLUE Corvette with a blue interior, 350 MOTOR and auto transmission. The car is an original matching numbers car with factory air, and power steering,The car was restored 10 years ago (frame on)...
I have converted the ZZ4 in my 1980 to a serpentine kit. The first time out with the car after I converted, I wound the motor up... and the belt came off!:mad I also didn't have any tools in the car.
I now carry a spare belt and the tools to install it. Piece of cake!:beer
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