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Be happy. When I saw the OPM $950 price the other day, I thought it was a great bargain that the price had gone down. I have paid $1,250 each for three different CRX final drives from Houseman...

Back years ago when custom final drives were still pretty new, I knew a guy who had a 4.9 but said it was buzzing the hell out of his engine. He quickly switched to the 4.7 that mnost of the rest of...

The early '88 cars had a smalled OD crank snout (same as the 84-87 cars) and they changed it to a larger diameter in late 88 or 89. I found out as I got light aluminum pulleys from Unorthodox and...

I've owned two OPM 4-1 headers by Walt. The first was on an ITA car and I always thought that it was one of the performance pluses that I had over the DC 4-2-1 guys. Becasue of this, I had them...

We tried a lot of systems (Supertrapp, various cans, straight, long, short, etc) and shorter was better. We ran the straightest possible 2.5 tube with only a turn down at the gas tank but it blew...

A late addition to this discussion but I have an '89 CRX Si ZC street car with a Phantom Grip LSD. At $250, I thought it was worth the risk and after about 10K street miles and three weekends as a...