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I've seen this topic discussed before, but I think this warrants a new thread. I had been chasing steering freeplay for many years and after a new rack, bushings, bearings, ball joints, and tie rod ends, I have finally identified the culprit - the lower steering shaft. If you're chasing a...

I'm in the process of simplifying my evap system and will be installing the 1JZ charcoal canister. Problem is, photos of the install are very illusive. I understand the canister exists somewhere behind the wheel well fender liner, but that's all i've got. I'd appreciate it if someone with a...

Could somebody with a crank timing pulley that is not in their car and a reasonably accurate set of vernier calipers measure the OD of the front pulley outer/front flange? I'm looking to fab a weld-on crank trigger wheel and I don't want to deal with the downtime associated with disassembling...

I was having my car tuned on the dyno this past weekend. Things generally went well, with the exception of the car having an intermittent misfire under load. When i say intermittent, I mean one to two actual misfires per run. This misfire seemed to be independent of boost pressure (was there...

So I've recently finished the complete rebuild of the 7M in my car. Among some of the other issues (specifically, camshaft seals that won't seal), the car has a rattle/tick at idle. The following describes the characteristics of the noise Sounds similar to clutch chatter from a lightweight...

I recently re-plumbed my rail to a dual feed, single return configuration. My return location uses the cold start injector port. I'm currently tuning the car, and decided to take a peek at the plugs. All looked great, with the exception of #5, which showed evidence of an overly lean mixture...

Hoping somebody could lend their $.02 on oil weight. My bottom end was built fairly loose, with the clearance of my mains at .0024" and rods at .0021". I've got a 15W50 break-in oil in the car right now (first start-up is going to be tonight), but wondering what I should switch to after the...

So I was installing my flywheel this weekend. Using the TSRM recommended torque (54 lb-ft) and lubrication (engine oil on threads and under bolt flange), I managed to stretch both ARP and stock bolts. I'm having the calibration on my wrench checked today (I'm fairly certain it isn't going to...

Upon disassembling and cleaning my newly purchased low mile head, I stumbled upon this: This is the largest of 3 cracks in identical spots on the head. It doesn't extend into the intake or exhaust port, it is just superficial. Is it ok to run like this? Auto makers seem to think that...

Got the word back from the machine shop that my already 0.020" over block has some deep gouges in #6 thanks (likely) to the blown ringlands. Shop is going to see if it cleans up at 0.040", but if not, would have to go 0.060" over (84.5 mm piston). I know there are guys who are/were running big...

Last year, this engine (approx. 40k miles post-rebuild) began blowing an excessive amount of smoke out of the PCV system when the routing was slightly modified (manifold vacuum source removed). A compression test revealed 165 psi from #1-5, and 120 psi in #6. Obviously there was a problem...

So I made a modification to my PCV system at the request of my tuner, which basically eliminated the vacuum port from the intake manifold. Since then, I've been blowing oil into my turbo intake pipe to the point where the air filter leaks a pretty good deal of oil. I imagine the low intake...

Some background: Had the AEM-equipped car tuned on a dying 60 trim CT upgrade. Boosted to 13 psi no problem, but, as mentioned, the turbo was toast. Fast forward to today. The current turbo setup is a 6065 billet turbo on a tubular manifold, controlled by an AEM gauge boost controller...

I'm looking to clean up the mess that is my PCV system routing and replace the pressed-in tubes with o-ring boss fittings. Surely somebody here has done this - what size fittings did you use? It looks like a shallow mount ORB fitting is necessary - is that a DIY thing, or can they actually be...

Had the car tuned this past weekend by Justin Nenni. was running a turbonetics/ct 60 trim upgrade but the turbo blew on or before dyno tuning. Best run was 369 HP/356 TQ at 13.5 lbs. As you can see on the dyno chart, boost was very unsteady and dropped in the higher RPMs. Had the turbo...

After having my car tuned and finding out that my turbo is not far off being dead, its time to upgrade. Just wondering what the best option is for a fairly quick spooling 500 whp. Is it worth my time to do a t4 set-up with external gate, or should I go with one of the bolt on options that are...

I was attempting to set up sequential injection on my car today with the aem box (7m) and found that injector 6 wasn't firing (inj 9 output from the aem). I re-pinned the connector to inj 10, and it worked...intermittently at first, and then not at all. Now I figured this may be a wiring...

I was hoping somebody could post a picture or description of the igniter-side plug wiring (colors and plug positions). I'm having starting issues with my aem and dh61 igniter and want to revert back to stock to troubleshoot. I de-pinned the plugs on the stock igniter in a rush and didn't map...

Before I begin, here is my setup: Wired for sequential injection GM 3 bar map GM IAT DH61 igniter wired up as per funkycheeze's post The problem I'm having is that I cannot get the car to start. I'm getting fuel to all cylinders as I've pulled the plugs to confirm this. Last night i...

I'm looking into a new set of engine mounts and was considering the polyurethane ones currently available. I'd appreciate any feedback from people who have used them, both good and bad. My main concern is how they transmit engine vibration to the car. All replies are appreciated.