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Hi all, I installed a new Cardone opti-spark and now won't start, When I got it I did the vent mod on it then when I went to install it it wouldn't fit flat against the timing chain cover, even with out the spline shaft attached. It turned out that where the spline shaft when in, the base plate...

Hi all, what does it mean when I cover the tail pipe with my hand on the passenger side it want to bog down and almost stall, but doesn't do it on drivers side. Did a compression test and its running 160 psi to 195 psi. Thanks for any help.

Well I got some injectors from that site, some rebuilt Bosch 24#. I hope thats what where stock size. I made an improvement but not when I kinda jump on it it wants to hesitate, what could that be. So Far I have cleaned the throttle body, changed the IAC, new plugs, rebuilt injectors, what else...

Hi all, I have a 92 base corvette that I just bought and my understanding is it sat for 5 years. It had a full tank of gas so I drove it home then put stabilizer in the tank. It has alway ran somewhat rough. I have changed the plugs, cleaned the injectors as seen in a u-tube video and helped...

My bad, when I change the spark plugs I had those two cylinder wires swapped. I feel like such a moron. Still running a little rough but running much better since changing plugs and cleaning injectors. I wondering should I change the injectors? Are any of those 8 for $100 injectors any good...

I forgot to add that I took one of the injectors from the dead cylinder and swapped with another and same two cylinders are dead

Hey all, was checking the injectors by pulling the connector off while engine running and number 6 and 8 there was no change listening to the engine or no change in RPM's, checked that I was getting spark to those two cylinders and getting spark and new spark plugs. Why are those two cylinders...

Now its throwing codes 15 and 67. 15 is the coolent sensor, could that be making it run bad?

Yeah I have the second part of the manual and its throwing 26, 28, and don't think those would make it run the way it is. Need i remind that this did get real hot the day I bought it, but no water in oil and no oil in water, but the one low cylinder does bother me. I'll check out the TPS and...

Just did a compression check on cylinders, they were from 210 to 180 and one was about 165. plugs didn't look that great so traded them out. ran a little smoother then shut it off about hour later started it up and ran like on 6 or 7 cylinders. This is really getting to me i've only driven it...

Yes I did and no gas smell in vacuum line and cleaned the injectors as best as I could. Could it be in ignition somewhere because of the burning eyes from the exhaust ? Is there a component or sensor I can check? I really don't want to pull all the plugs and attempt to do a compression check if...

No its fine, yesterday I did a fuel pressure test and had almost 60 PSI and held forever. I'm going to pull injectors and try to clean/flush then out some. I assume with them holding pressure that their not leaking? If that doesn't help I'll pull the plugs and do a cylinder pressure test on...

Hi all, first time corvette owner. A few weeks ago I bought a 92 convertible with 150,000 miles from a friend of a the owner that died. He was putting it back together when he died, I was driving home a notice the temp maxing out a few blocks away, radiator hose off so fixed it and was running...