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If it was your coolant line going to or from the turbo, I found AN braided works great there. (I can't remember if it was AN6 or AN8 line, but I think AN6...) Anyway, the 90 bends are easy to find, just get the best one your local parts stores have. They have to deal with quite a bit of heat...

The only place where the Comp Cams springs were "Tight" is in the head spring seat. The buckets are not loose, but they slip right over the springs just fine. At the bottem of the spring cutout, there is a seat, and it tapers down slightly. This is where the comp cams springs do not just drop...

You just buy two boxes of 12....... The 975 spring is the "Inner" spring on a Big Block Chevy setup. They have seat and open pressure close to the spring rates of the 2JZ stock springs. (So slightly higher than the 7M springs.) They are a tight fit into the head, but work with all the...

Eventually, the rod bearing could completely go, and that puts your rod through the side of the block... Engine block is completely toast then. Repair to your crank rod journal might be needed too, and that's not cheap, and takes time. Fix your problems when you pull the motor. (Like your...

Not to thread jack, because this is an awesome thread on using new parts/designs to fix problems with our R154 transmissions. I'd still like to know if the internal parts/gears/etc could be pressed onto the stock shafts, or swapped out so we can use our stock speedo/ABS sensor etc. The...

Speaking of 220mph speedo's... Few years back, I was going to Vegas with 5 MK4's in a caravan from Boise. We were in the middle of nowwhere, and crossing what used to be a dry lake, and it was the perfect place to do a high speed run. SO, redline on the 7MGTE for my 88, in 5th gear, and...

They are allen bolts however. :) Looks like you know that.. ;) 10mm allen. Get one about 4" long if you can, it makes getting around the cams very easy.

I think spinningheadboy has that exhast, and it's very nice. Sounds very deep, but is not too loud.

Easy fix. No drill needed. Get an AFPR. It has a return line plumbed off the "bottem" of the AFPR. Hook that up to the stock hard line/return line on the left frame rail. Remove your stock return lines. Leave the J-tube in place, but not hooked up to anything. (That cover it's attached...

Yep, throttle body is different on the 89+ From what I've seen, the intake manifolds are the same. Exhaust manifolds improved on the newer ones, they left a "rib" down the runners to try and stop cracking of the manifold. (Works to some extent, but they still will crack there if the manifold...

That aircraft carrier spoof was pretty funny. Nice Caddy if your into that, and it appears you are. I like German sedans personally. (Like my A8.) One of these days, I might sell my A8 if the right S8 came along :) Need that other 60hp, and bigger front brakes would not hurt either...

:) Was doing that years ago Ian, and ended up with oil all over everything! Me included... Forgot to turn down the air pressue, and "bumped it" just a little, and POOF< there was oil everywhere. Actually pushed the hose out of the transmisison I was filling, popped the lid off the gear lube...

With some clean, clear tube from a hardware store, or if you have some laying around, you can fill the rear diff pretty easy. It takes two people however. 1) Remove fill and drain plugs. 2) I like to wash out the housing with some brake cleaner, or carb cleaner. Just spray it in there...

Thanks.

I've seen them break at the oil squirter hole in the shoulder, and the stock bolts fail. (Squirter hole failure was on a rod knock, the bearing was spun, heated up, and welded the rod to the crank, and bang goes the rod.) The bolts were snapped and bent too, but there was a clean sheer point...

Thanks thedave, but I guess where I'm confused, is without scaling back 60% or so on the mainscale, how the heck is the engine even going to run at idle? The 780's will be flowing quite a bit more at idle duty cycle than the 440's were... so I'm either going to have to turn down fuel pressure...

Some quick questions. I'm finally gettting my Maft Pro installed this weekend. I've been reading up, printing out charts and diagrams, and I removed the "7" resistor on the unit so I can run the Ignition monitor etc. My engine is 3.24L displacement. Is that going to affect the "math" much...

FFIM. :) Of course, if you are not going that way, then I'd reccomend coatings, wrap and thermal shielding for the pipes near your turbo/exhaust if you can. I've found that thremal coating the exhaust manifold, turbo and heat shields made a very noticable difference in the underhood heat...

I'm with the why group. I tried a Permacool fan on one of my Q45's years ago, and spent hours installing it, with the right wires, and all the gee-gaws, and guess what? IT SUCKED! The car was fine as long as I did not turn on the AC. But in hot weather, when you need the fan the most, you...