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

383+SR Owners?

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Old Aug 20, 2002 | 03:55 AM
  #1  
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Default 383+SR Owners?

Hi...

You guys with 383 and superram + cam how big injectors are you running?

And what have you modified to get you fuel mixture right?

I'm currently running my old 350 PROM with stock injectors.......
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Old Aug 20, 2002 | 07:32 AM
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Default Re: 383+SR Owners? (Oden)

30lb FMS here. I had the chip done by a tuner who had a chassis dyno so I'm not sure what he did to make it work.

How do you like the Canfield's? I have been considering getting new heads.
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Old Aug 20, 2002 | 08:00 AM
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Default Re: 383+SR Owners? (Oden)

Canfield are nice heads!

Flows good, look at AFR homepage there are a article "flow to go"........

They have angled plugs so its really tight between plugs and my SLP headers......
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Old Aug 20, 2002 | 08:59 AM
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Default Re: 383+SR Owners? (Oden)

I run 24 pound injectors and I have a 396. You can run 30's also. I like to run smaller injectors and run them harder. My tuning has become easier with the smaller injectors. You also did not mention what year your car is. That will tell us weather you have speed density or MAF
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Old Aug 20, 2002 | 09:35 AM
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Default Re: 383+SR Owners? (Oden)

-89 MAF.....
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Old Aug 20, 2002 | 12:28 PM
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Default Re: 383+SR Owners? (Oden)

#30 is recommended for 383s.
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Old Aug 20, 2002 | 12:32 PM
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Default Re: 383+SR Owners? (vader86)

26#'ers are in my 383. It's on the rich side(a definite mist when you're in the throttle). I'd rather be safe than sorry.
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Old Aug 21, 2002 | 02:07 AM
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Default Re: 383+SR Owners? (Oden)

Ok...I was thinking getting SVO #24, they are rated at a lower fuel pressure than bosch.........How about the tuning?
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Old Aug 21, 2002 | 02:47 PM
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Default Re: 383+SR Owners? (Oden)

FMS 24# on mine, ran rich on 30# Accels before I went to 24#'ers. I would think 26# would be just about right. A lot has to do with your chip programming, make it's done right for the injectors you use. I think SVO are rated at 38 or 39 psi, I run about 42 psi. If you don't have one get a Adj fuel press reg. Holley is best.

Mark


[Modified by Mark84_L383, 10:50 AM 8/21/2002]
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Old Aug 21, 2002 | 04:01 PM
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Default Re: 383+SR Owners? (Mark84_L383)

I like the look of your polished SR Mark....looks nice :)
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Old Aug 22, 2002 | 12:52 AM
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Default Re: 383+SR Owners? (JD 90 383)

30 # FMS injectors with an Ed Wright chip. Still waiting for an Agostino Racing dyno tune , coming early Sept. I'm currently running the fuel @ 50 p.s.i. My mechanic tried to turn it down a tad, but said it wouldn't go any lower. Possible bad AFPR?
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