Anyone running 120s on 91 octane?

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usetaboost

SAY CAR RAMROD!!
Joined
May 4, 2005
Messages
7,697
How's drivability? Any downside? Figure if I'm gonna upgrade I just as well go big for e85 later if I choose. 60s are maxed out with alky.
 
I have the SMP 120's and never had a problem with gas/alky. E85 for 2 yrs now and still no issues.
 
No problems here. 120 SMP injectors.

Drives just fine, and no issues on either a regular 6.1, extender, or SD2 chip, MAF or MAFless.
 
Same here 91 pump w/ SMP 120's (got em from Eric at Turbo Tweak) and XFI no issues. Idles and drives fine
 
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I will be using a modded ecm. Still shouldn't have any ill effects should it?
 
As longer as your program is good youll be fine. Bob and Eric both are sharp.
 
Lemme get this straight....you're going to (finally) buy larger injectors....and you're considering having a 93 chip made for these.... when you have E85 within a mile of your house.....makes zero sense to me.
 
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