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Old 07-11-2013   #10
Tachyon
 
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Join Date: Jun 2004
Location: Prior Lake
Drives: Icarus
Posts: 1,375
Re: Getting bosch 1600's to idle

I also hated my old 1600's. They were a CNG injector that Percision had re-branded. Their minimum pulse width was too high for my batch fire setup.

When I switched to 1150's my MPG leaped up because I could hit the low PW's I wanted at cruise/idle.

12:1 AFR is usually fine. I typically go a bit richer as E-fuel is seasonally dependent and it's nice to have a little buffer during the E70 to E85 changeover... (or just be logging all the time, like an OCD motherfucker).

I would also set your timing artificially low until you can get on a dyno. With a 2g head, guessing reasonably normal static compression, somewhere around 10* during peak load. Every setup is different and you really need a dyno here or you're playing with fire.
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Last edited by Tachyon; 07-11-2013 at 04:35 PM..
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