Do you smoke? Hold the clutch fan while someone starts the car, blow smoke around the back of the head. If you see the smoke move quickly, bad egr cooler gasket.
You want the throttle body to completely close. The reason for this is because you're still using an idle speed control valve(ISCV) and it'll flow enough air to keep the engine idling. With the throttle body cracked open slightly and still running an ISCV, it's much easier to close the throttle...
http://www.cygnusx1.net/Supra/Library/EPC/291210/part.aspx?S=23220P the fuel pumps have different P/N's. The newer aftermarket pumps use the same P/N because they put the turbo pump in an N/A chassis now.
What are your plugs gapped to? What is the base timing set to?
Give us a run down of...
Check your tps and make sure your throttle body isn't sticking open.
If your throttle body is sticking open and the ecu is seeing the IDL contact as grounded, it'll cut fuel above XXXX rpm then turn the fuel back on at XXXX rpm rinse and repeat.
I wouldn't use any FIPG if it was mine, it's a composite gasket so it will close minor surface scratches. Make sure both surfaces are clean and dry when you install the gasket. http://www.cygnusx1.net/Supra/Library/EPC/291210/catalog.aspx?F=1701&P=3
350z won't even be close unless they're full bolt ons. My friends 370z nismo didn't stand a chance against me with the 57 trim on.
ls1 gto's, lt1 camaros, foxbody-2004 mustangs, bolt on civics. These were fun to play with as long as they were basic bolt on as a full bolt on ls1 would probably...
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