C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Injectors and Ignition Question

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Old Sep 10, 2001 | 06:53 PM
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Default Injectors and Ignition Question

As some of you may remember I'm in the home stretch of the 383 project for my 92. To refresh I'm going with Eagle forged crank and rods, SRP/JE pistions which should make around 10.8:1 with the AFR/TPIS 190 heads, ported stock intake, 52mm throttle body, LT4 Hot Cam w/1.6 roller rockers, 95/96 optispark(w/vent), HD timing chain, mallory 8mm wires, Accel 300 ignition w/coil(riding the fence awaiting dyno numbers), single mass aluminum flywheel, Compton 8 qt deep sump oil pan w/melling pump etc, etc.... For those of you who've built LT1/LT4 383's I'm curious as to what size injectors you used. I recently had my stock injectors serviced by Lingenfelter and they appeared to be fine. My builder told me these(24lb?) will work but will be at about their limit. I see where a number of you are using the FMS injectors. Should I step up to a 30lb injector? Just FYI this motor will never see an NOS bottle or a supercharger. Also how many of you are using an MSD or Accel box? Impressions?, worth it?

Thanks for all your help,
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Old Sep 10, 2001 | 07:15 PM
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Default Re: Injectors and Ignition Question (Jeff M)

My advise, get the 30lb Ford injectors. They are good to about 450-500 horsepower.
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Old Sep 10, 2001 | 07:22 PM
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Default Re: Injectors and Ignition Question (Jeff M)

What Chris said. The 30# Ford injectors are a good value and should be sufficient for all but the most radical street applications.
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Old Sep 10, 2001 | 07:40 PM
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Default Re: Injectors and Ignition Question (gs633)

Well hopefully I just solved my injector dilemma ,opinions?

Now how about the ignition?

http://cgi.ebay.com/ebaymotors/aw-cg...595288775#BID1

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