xspsi6

iTrader: (31)

I am looking to add a pressure regulator and plumb -6an line etc however I need to know what the size of the thread is so I can order the proper metric to -6 an adapter .

I figure that someone here has been down this road so maybe you remember the size off hand?

xspsi6

iTrader: (31)

Can anybody confirm that it's a m 12x1.25 as seen in this auction? I think this is what I need?
http://www.ebay.com/itm/310309983117...84.m1438.l2649

93MSB

iTrader: (8)

edit: im 90% sure the fuel inlet at the rear of the stock fuel rail is 12mm x 1.25 for the JZ engines, but what fuel rail are you using? 1jz-gte? 2jz-gte? 2jz-ge? 1uz?

edit #2

it will depend on the engine/fuel rail

the 2jz GTE & GE use a flanged regulator with an o-ring seal, you would have to tap these rails

the 1uz and 1jz regulator threads into the fuel rail, im not sure what the thread size is though except at the rear of the fuel rail

xspsi6

iTrader: (31)

Yea sorry I should have been more specific : It's for a 1uzfe for the time being so that is the size of the thread I am looking for on the rail, I am just getting the fuel system in place for the gte swap however the car still runs and drives as it should so I figure now is a good time to throw on anything I can so I don't have to do it all at one time!