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It does.

Because its a switched 12V? So does the Maft, hell, I got my boost gauge, and AFR gauge on it too, with no ill effect. Not saying its the proper thing but it works. Your problem is quite simple, check for a open in the circuit.

OK... Just did the HG's on my buddies 90 Toyota pick up(V6) and yes the cams do spin after compressing the springs. So I was wrong, anyways...

NOT an improvement at ALL!!! Just hard on your fuel pump. But the 7M of course...

I'm not agreeing or disagreeing with either of you, but I don't think the springs have much mechanical advantage to help spin the cam.

But then the engine bay woudn't be "clean" ....

Duhhh check your codes. It took longer for me to type this, then it would for you to check you codes....

. No coment. True, I only want one because I can't wait for the FFIM that Lipp(IIRC) is putting out and don't want the hassel of installing one on it. I don't CARE how my engine bay looks, can't see it while I'm driving.

Wish I had the pic of Michael Jackson eating popcorn. Don't do it, there's no gain unless you have a "JDM" ECU which compensates for the lack of rich exhaust gasses.

Good to hear, I am considering a new harness but since I don't drive my car much, I was gonna get the plugs and pins and build my own.

I'm assuming the spring rate of those are quite stiffer correct? So the general force(?) to over come that is gonna make more of a difference than the few grams your loosing in valve mass. But with supporting mods I TOTALLY agree. Thanks, and trust when I finally build a motor I wont be going...

I doubt you'd even notice that on a dyno or anywhere. Other than the valve size of course. And technically its not rotating mass, its recipricating.

Nuts are prolly stripped. As for the DP rayall01 pointed out, I have that one and unless your a do it yourself her I would advise the BIC version. The flange wasn't true on mine(still sealed thouh:biglaugh:), it didn't quite mate to my turbo, and my first run I hit 15psi(stock WG Spring)...

Does anyone make Supra harnesses from scratch? Are the plugs available from anywhere? Toyota didn't make the plugs did they?

You you loose that cool sound...but that is your problem.

Vented bov I take it?

I was told the pre 89 7MGTE ECU's wont throw a engine code with the stock o2 unplugged(heater circuit code IIRC). My car doesn't throw the code, same setup as you, maftpro 3 bar, pre 89..., I always run with it unplugged to force open loop. But on that note, I have gotten it once...:dunno...

Aluminum and steel aren't friends. http://en.wikipedia.org/wiki/Galvanic_corrosion Thats the jist of it I think.

If it aint broke don't fix it! Cross that bridge when need be...

I run the DM 57 Trim on my 7M-GE. I sure you guys will be fine.