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Well, I have "been around" 7M's quite a while and dont have that "bad luck?" In fact between my 4 old Supras with no bad Toyota BHG's and a shitload of miles, and the years I spent doing headgaskets at Toyota for the 4 Runner, the 7M is low. I dont know what to say about you having so many...

I think the part numbers are the same on the exhaust. Maybe not. But the intake cam had a bit more lift. Barely.

I've seen the ricers do it with their CRx's.:thumbsdow It is a crime to vent R12, R134, or any industrial refrigerant into the atmosphere. The Ford Lightning concept from a few years ago had a system to cool the intercooler BEFORE the launch. The truck of course did not make production.

Not to nitpick your fine post, but I dont agree that DSM's have no problems. I have seen more of those blow the headgasket, including naturally aspirated, than the 7M. :nuts: So you think Toyota just wanted to waste paper and ink?

The fuel pump should only energize for a moment until you start. You have an electrical backfeed from something. You need the EWD. Then find the wiper circuit and how it might get power from the ignition. I also think you have more than one problem.

:rant: :stickpoke :drink1:

Are you suggesting a spray type set up to the outside of the intercooler as with nitrous?

The drop in volume could be a drainage problem, like the oil is not returning to the pan as quick as it should. Running something other than 10W-30?

I dont work at Toyota anymore. However I will say in my time there, an ECU is a very rare event. In fact, it was just once. The injectors are powered by the battery, indirectly. The ECU just supplies a ground path. But only if all the other information to the ECU is correct. On a seperate...

No. It is a NOx reducer. You need CO to reduce the NOx, so they are first. The Supra isnt the only car with a reducer. Since your car is stock, pull the plugs and see how much oil if any is on the plugs. When you check that oxygen sensor voltage, it should average 450 millivolts as it...

You should see what a 96-98 Mustang Cobra does with a Vortech T-Trim and ice in the igloo can do. Bob, you can lead a horse to water....

No, it does nothing. You will change your short term fuel trim, but you do that the instant you step on the pedal. You can get a 10 hp difference with just a longer cooldown on the dyno, or other manipultions. And 101 to 102.x isnt really a change. I have gone 98 then 99 with no changes on...

The hose just bursts? Or is it just leaking back there from the hose?

Yep. And the block being cast iron will hold a ton of power. That doesnt mean the internals will last forever at a high power level though.

Is your car stock?

The flatlander kit is a 3.2 litre that they advertise at 3.6. It must have a huge overbore. Which isnt a good idea either.

I guess I didnt really see what you were asking. I have seen a few people that didnt know how the wristpin goes inside when it is just as big. You need a snap ring plier set. There will be several to chose from in a good set. You dont need oil on the rings. Racers often use ATF for the...

I think Las Vegas is a good place for the event. Let them run against the JZA80. Apples to apples that is. I want to see 600bhp like malloynx did with the factory manifold and a bolt on turbo. Of course they will still have to use two.

Toyota's official publication puts the weight differnce between a JZA80 and MA70 at 125 lbs. I used to have a copy I made from the old TSB with weights. I don't know where it is anymore. With ABS or without, 5 speed, sport roof, all the variations, it was a nice chart.

It is a common problem on any car with neglected maintenance over time.