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Different trims. Looking at the garrett site shows a gt4088r wheel at 63.5/88 (inducer/exducer). It also shows a gt4088 at 64.7/88. Different wheels for the same turbo. Weird. http://www.turbobygarrett.com/turbobygarrett/tech_center/gt_basics.html

Since when did carfax start giving out street addresses??? The most I've seen is city and state.

GT40 and a GT40r is the same turbo. Only difference is the ball bearing option with is what the little "r" means. If he's running 1kcc injectors with a single walbro.. he'll starve that walbro. likely already is.

reign.. the customer service at RPS is known to be crap. joliroger was hung up on by Rob (the owner) at least once. They like ot blame everything except themselves for any shortcomings. There are a few that can expand on this I'm sure. I doubt they'll do anything for me.. even when I have one...

The smaller diaphragm moves to one side of the plate. If it just moved around the perimeter, I'd agree, but sadly it doesn't. I figured both diaphragms were the same OD, but it seems that's not the case. I hope to have pictures sometime this weekend.

Actually that's another car that in the joliroger family stable. You can see his truck in the background and gray 90 in the foreground.

This is a likely a USED mk4 pump as new they are aver double that price. I would suggest a NEW pump as opposed to a used one.

If it shifts, it's no longer in balance. That would not likely be good for that rear most main bearing. It'd be the same thing if your crank wasn't balanced. I told my buddy about feeling a vibration at low revs after my first run.

Sooooo my pressure plate has shifted. This was after ONE 4k rpm feather the clutch on street tires launch. Hell I pulled a 2.4 60' time. I could feel the vibration at low rpms. I'm told you can feel it during cruising mostly. I really hope RPS takes care of me considering I have one of...

20 is what hte FJO shows when the car is in decell mode. I'm sure he was off the throttle at those parts. The EGT was glowing red for a while when he was still in it. Likely a case of not enough octane to support the tune on the car.

I noticed a small vibration in my car after some drag strip action. It seemed to be a slight vibration at around 1500 to 2k rpms or so. I don't remember feeling this prior to the drag strip. I wonder if my RPS have shifted. I wasn't hard on the clutch, just rode it off the line. Little to...

A friend did a very high copression GE motor back in the late 90s. IIRC, he was a touch over 300 to the wheels. THis is regrinds, heavily ported head, big valves, standalone, everything just short of juice. A stock turbo'ed car at 12psi would come close to hanging with that.

I've ran all of the following with great results. NGK BCPR6ES (stock number 2330) - stock heat range NGK BCPR7ES (Stock number 3330) - one heat range cooler NGK BKR7E (stock number 6097) - v-power, one heat range cooler advance auto (at least mine) has the 6097 in stock. I gap my plugs at...

Replacing an oil pump.. while doing a headgasket is a stupid idea. It's not anywhere in the vicinity of the head gasket, nor do you touch it at all when dealing with the head. I would advise dugums to helicoil the holes for the exhaust manifold studs. i would also advise him to buy new lock...

If anyone thinks that a "freeze plug" is there to protect the casting from breaking.. they are sooooo wrong. I've NEVER seen a block push out the casting ("freeze") plugs out upon a freezing event. They are called casting plugs, and are there to remove the sand once the block is cast.

Did Jeff get his brakes fixed??????????

Nooo problem. It looks sooo clean. It's very nice.. how much?????

Stellar time as always with the Toronto crew.

Jeff.. use a large C clamp to push the pistons back into the calipers. Problem solved. The mk3 brakes are bad enough... I cna't imagine what it's like with only the front doing the job.

I'm driving down tomorrow. Leaving the northside of Indy at 8am. Should be down there at 11ish.