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My friend's 87 blew the gasket on the bottom of the turbo. After replacing it the car has no boost. It feels very restricted. The cat appears to have a hole and sounds like a tea kettle. Has this happened to anyone? Can the cat be the problem? I appreciate the feedback.

So I recently picked up an American Racing Solutions belt tensioner and new oem-style pulley. I noticed that the bearing in the pulley fits a bit sloppy on the belt tensioner. Is this normal? It doesn't seem right. Any feedback will be greatly appreciated. Thanks.

I was wondering if anyone has tapped into their EGR block-off plate for a vacuum source for the brake booster?

I have been trying to figure out why I can't build more than about 10 lbs. of boost before it backfires/sputters through the intake and looses pressure. It doesn't throw any codes either–all parameters look good. When I did the E85 conversion and turned up the boost, the car ran great the first...

My stock 86 GN sat for over 10 years before I got it. The valve springs have never been replaced. I plan to do this very soon as I believe they are the root of another issue I'm having. Lately I have noticed a little bit of lifter noise on the driver side, a slight click clack. Will changing the...

I bought this from fullthrottlespeed.com about a month before I decided to convert to e85. I ended up getting a new unit with AN fittings. Like I said, I only had this in my car for a month. Make me an offer. http://www.fullthrottlespeed.com/fuel-sender-w-g7-255-rxp-pump.html

I would like to know the concesous on the best spark plugs for e85. I have stock replacements right now and I think they are the root of my misfire/stumble issue after 15lbs boost. There are a lot of threads arguing plugs but none specific for e85.

I have been running 20 lbs of boost on e85. The car had been fine until the other day. I was getting into boost and when it hit 15 lbs it just cut out and kinda backfired and sputtered. At first I thought the up pipe blew off as it happened before. I checked hoses and all was well. The car still...

I am helping a friend with his GN. He was driving it like normal when all of a sudden it died and would not start. I checked that it was getting fuel pressure. I then checked the spark. It was not getting spark. I tried swapping coil pack. That didn't work. I checked fuses. I am now going to...

I would like to run 15x8s on the back of my GN. Thanks

I recently converted to E85 and I couldn't be happier. I came across Zeitronix E85 Content Analyzers online. They are basically a way to visually monitor the exact ethanol content of your fuel as well as provide data to an aftermarket ECU. I have a stock ECU, however it would still be nice to...

I registered on the Racetronix forum in order to get support for my recent purchases. I am about to instal my fuel line kit and I would like to see how it is done. Does anyone have a link to directions or pics? Thanks

I just got my RJC BC and they must have forgot to send the instructions. There are multiple threads but none have active links to the instructions. I know it is a straightforward install but I would like the instructions anyway. I have a stock wastegate and people are saying the rod needs to be...

I want to upgrade my headlights soon. I noticed Kirban has the H4 harness. I also see that Casper's has a headlight brightener harness? Are these the same thing? If not, should I get both? I'm confused when it comes to wiring. Thanks.

I have been chasing a gremlin for months. I've replaced many parts, verified fuel pressure, verified that I have no vacuum and/or exhaust leaks. My car still has a slightly rough idle and seems to idle really rich. My BLM stays at 142 which I think is a bit too high. Ive upgraded the fuel system...

My car front clip was repaired and repainted when the last owner had it. Since Ive owned the car I have never been happy with the gaps between the front clip and the doors. The hood is also not flush on one side. It just isn't right. Is adjusting the gaps something that I can do or should I take...

I have been having issues with knock under minimal boost for sometime. I was told the gas in CA had a lot to do with it. I was under the impression that the timing was burnt into the chip. I finally realized that I could take some timing out and so I did. The car runs way better on 91 and no...

I drove my car today for about 20 minutes and it started stumbling really badly all of a sudden. I look down and notice my volts were super low 8.2. The car dies. I checked cables and grounds and all is fine. Both the battery and alternator are new. I don't know what happened.

I installed new regulators about six months ago. I got factory replacements from one of the GN vendors. The motors are already slowing down. I'm really pissed. It wasn't the easiest thing to do install them. Anyone else have this problem?

For some reason my car has been getting up to 225 or so when idling. When I start driving it goes back down to 176-185. I don't understand. It's not hot where I live. I have a new Alradco radiator, hoses, Flowkooler water pump and 180 stat. I burped the air out of the system too. What could...