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What's the advantage of have the Greddy control timming verse The Stock E.C.U.? What are some of the important tweeks that you should do on a Piggyback? A.F.R. for one, what are the others?? Timming,boost?

How is it possble that The car is lean?? The plugs are whiteish, the tech said that that would cause a lean misfire. It only missfire's at idle. The only mods I have are 550 injectors, Lexus A.F.M. and 3" exhaust and one cat and 57 trim wheel for the ct/26. he also mentioned fuel...

(I hope this makes sense) I have one minor problem: I'm trying to get more adjustment from my c.p.s. My timming is at ten degress b.t.c. But my c.p.s. is all the way cranked over clock wise. Do I rotate both the gear and housing clockwise to get more laditude for more adjustment? ( I want more...

The middle "cam" or valley cover,:( the cover that is right about the spark plugs) which way face's up ?? the imbossed side? or the flat side?? Thank you !!!!

I read a thread on this forum that you should never, never, NEVER! run Platinum plugs under boost. Does any one have Platinum plugs on your turbo car?? Why is this a bad thing?

I hate to ask for for really dumb question, I tried last night for almost an hour on the search for the Gauge cluster L.ED. conversion,.. where the hell is that write up?? I hate asking for help that I cound have easily done myself, but I appreciate the help Thanks in advance!

I would like to know if anyone with a Tanabe exhaust can tell me the dimension of the muffler and resonator. I have a exhaust system, that I really don't like the sound, I have a 5x8 Magnaflow, it's way to loud for my taste. So Now I'm trying to match the muffler size of the Tanabe to quite it...

I have an Greddy Ultimate: I was talking to an Greddy tech support, I was asking him if he knew a tunner in my area,...So CA, and he said that it didn't really matter if the tunner knows the car, as long he knows the Greddy you'll be fine. Is this guy outta his mind?? You don't expect a Ferarri...

I know I have a few really dumb questions, but I don't know anything, so bear with me. Is there "honest" horsrepower to made with aftermarket exhaust manifold? (the header looking one) Or is there hardly any difference in power? I had several problems with the after market manifold, One: Did...

Hi everyone thanks in advance: I'm gonna assume that, I should degree my cams first before I set up my Greddy emanage. I'm saying this is because, I haven't really decided if I want to degree my cams yet but, possibly later. Second: I'm not sure which A.F.M. to use with the Greddy "U" I...

I looked probabaly every where on this forum for a PnP harness for a Greddy> I thought for sure I saw it here a couple of days ago, but I haven't seen it since, maybe it was Supraforums. There was link to Mohparts(something like that) and some where else,... "something something" Labs"...

Whats the difference between lengthing the injector pluse and installing an .AF.P.R.? Yes I know you'll have more pressure and you can adjust your base setting but aren't you getting more fuel by adjusting injector pluse and dosen't your S.A.F.C. adjust your A.F.R.?

Whats the approx h.p. loss thru the drive train or whats my aprox h.p. with these mods? Here's my mods, 3' exhaust, 18 p.s.i., 57 trim, engine management, will use the Lexus if I need 550 injectors. I'm trying to calculate what size injectors to use, R.c. has work sheet to use to select the...

Who makes R.C. engineering injectors? Rich, from Cruzin performance said they made from someone else, and they don't make injectors them selfs, they only put there mane on them.

Whats the stock/normal duty cycle on a set of stock injectors? How much over can you run?

I'm a another "Venoms" injectors victim to bite the dust, here's my flow sheet numbers:The first time they tested them, they read around 300 to 320, the secound time, they read tested the numbers were all over the place, here's the score: 608,740,598,600,652,594 I want to thank everyone that...

Whats up with the 6 puck clucthes? What the difference's and the advantages,and how dose it work compared to regular clutch.? I thought the 6 puck were more for racing and it's gonna give a harsh engagement. It seems backwards that you have less contact area on a 6 puck than a regular clutch. I...

Are you guys/ gals experiencing stripped exhaust threads in the heads??? Is that common?

Whats the differance between the walbro gss 315 and the gss 341?

Whats the low down on installing the exhaust housing on the turbo. It has like a 1/4 inch to before it's in all the way. I was told that you have to heat up the housing and you can't just press it in Any secrets??