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Stock Fuel Injectors how far can they go?

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Preluder77

New Member
Joined
May 23, 2007
Messages
80
Ok i have an 85 and was wondering how far i could build around the stock injectors? How much fuel pressure can i run through them and if i am getting a
Fuel pump and chip should i change the injectors ? The injectors are

Tomoco Rotary Disk d1702ba These are the numbers and stickers on the injectors.
 
The injectors are the same for all GNs. In the old days I remember people stretching them pretty deep into the 12s. A Walbro 340 with a hotwire is a good starting point. If you're going to upgrade injectors, just get the 60lbers and have a chip burned for them and your combo. You'll never have to upgrade again and if you do serious mods you just have to get the chip reburned but the fuel will be there. They idle perfect and will pass CA smog. No reason to go smaller.

I almost forgot. Not sure how much you can run through them but I was trying to stretch a set of small "blue tops" and at only 60psi with the line off, they would stick shut and the car would not start.
 
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