LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Injectors are here...off to the dyno..couple ?'s

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Old Feb 2, 2005 | 01:24 AM
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TransAmGT's Avatar
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Injectors are here...off to the dyno..couple ?'s

Well they are here...not in yet though! I ended up getting some Bosch 36#'s for a good deal! I hope i didn't go "too big" but with 32#'s i would have only had about a 12% cushion according to Fred, i took his recommendation and got the 36's since i'm putting a set of heads on this summer! Anyways my ? is is will i be filing out plugs left and right w/ these injectors? I heard the flat type tend to foul out plugs..man i hope not! I will be getting tuned next Wednesday w/ a wideband to get everything right! Any suggestions before i go! Should i put the injectors in now and try to half **** tune it or put them in at the dyno?
Old Feb 2, 2005 | 02:12 AM
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Re: Injectors are here...off to the dyno..couple ?'s

Whats flat type inj??
Old Feb 2, 2005 | 12:07 PM
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Re: Injectors are here...off to the dyno..couple ?'s

There is the pintel type and flat type...i think? I know it's not the pintel type!
Old Feb 2, 2005 | 05:43 PM
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Re: Injectors are here...off to the dyno..couple ?'s

There are ball & seat, pintle and disc, and maybe a hybrid pintle with a spray disc... not sure. Never heard of a "flat".

The key to avoiding fouling is to not run the engine too rich at idle. If you program correctly, and the injectors can respond to the low pulse widths required for idle, you aren't going to foul the plugs. Pintle type are probably the "slowest" because of the weight of the pintle.
Old Feb 2, 2005 | 05:57 PM
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Re: Injectors are here...off to the dyno..couple ?'s

Ahh ok...well what ever bosch 36's are that's what i have..they are white, and have 4 little spray holes! Anyways so as long as i get it tuned correctly so it's not too rich at idle, i'll be ok!?!?!
Old Feb 2, 2005 | 06:06 PM
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Re: Injectors are here...off to the dyno..couple ?'s

Originally Posted by TransAmGT
Ahh ok...well what ever bosch 36's are that's what i have..they are white, and have 4 little spray holes! Anyways so as long as i get it tuned correctly so it's not too rich at idle, i'll be ok!?!?!


Been there done that got the T shirt............ Dont install them untill the tune it will run VERY VERY RICH
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