Recent content by Integrity

Some head gaskets are specifically designed not to require re-torquing, but I don't have a problem when someone re-torques a non re-torque gasket on a NA daily driver. I recommend re-torque especially if the engine has seen higher heat loads than usual, or has to hold high performance cylinder...

Cam journal to cam bore scoring is commonplace for aluminum heads running overhead cams. I agree with AJ's 88NA not to do much cleaning. Yeah, you could polish the surfaces smoother, but cam oiling clearances are part of your overall oil circulation system. Extra clearance from polishing this...

There are a lot of considerations when rebuilding an engine. You need knowledge, tools, a trustworthy machine shop, quality parts, time to do it carefully and in a clean environment, etc. It is impossible in a thread to convey all the information required. I recommend you use an experienced...

Aluminum heads should be milled very slick using PCD (polycrystalline diamond) cutters. Aluminum expands twice as much as iron for the same temperature changes during heat-up and cool-down. A slick surface helps prevent eventual potential abrasion of the head deck against the gasket. Head...

22 years of South Carolina sun has shrunk and cracked the black plastic coating on the window and windshield trim. What's the best restoration value? Powder coat? Paint? New trim (if still available)?

Sorry to hear about your repeat BHG problem. If you re-used the stock head bolts, you might check to be sure none of the head bolts were stretched. An easy way to do that is to hold the bolt you want to check against a known good bolt. The threads should mesh / match together. If they don't...

I did some mild porting to the cylinder head when doing an otherwise stock rebuild. (I used to be a professional engine builder.) Prior owner of the car installed a K&N filter and better flowing muffler. All 4-valve per cyclinder engines tend to be a little low on torque below 3500 rpm due to...

Problem solved. Just one fuse bad. I missed it prior. Thanks. Wonder why it chose redline to blow. Perhaps a coincidence. Perhaps the alternator voltage regulator didn't do its job.

Took a few passes on my fresh motor to help seat the rings. Accidentally reached 6500 rpm redline shifting a little too slow. Lost power to tach, water temp gauge, oil pressure gauge, power windows. Engine fine. Have power to starter, ignition, power mirrors. Immediate problem is how to get...

I didn't believe the Hp gain claim, particularly because it was the same gain for every engine displacement. That's not possible. I am an engineer and owned/operated a high performance automotive machine shop for 11 years. The purchase was more out of curiosity to see if the engine efficiency...

Thanks! I'll check it out.

Good info. OK. Do you know which color wires from the connector on the harness are the IAT? Otherwise, it appears I have to take the MAF apart and trace it. I believe the SLR instructions require splicing into these two wires. Thanks

Want to install an SLR Motorsports Performance Chip in my '89 7MGE. Need to connect to the IAT. Am assuming the wires for the Intake Air Temperature are part of the connector to the MAF sensor. But which 2 of the 6 wires? It's not clear to me from the TSRM. Can someone help? Thanks

You nailed it. Problem was caused by a bad Throttle Position Sensor. I swapped one off my '87 parts car onto my '89. Fixed now. Good job AJ !!!

OK. Will let you know. Thanks.