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Old 08-31-2004, 02:24 PM
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Default EFI Gueru's

can a Stock 502 Mag EFI system work "with no fuel pressure changes" On 502 HO Crate engine. using stock exhaust.
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Old 08-31-2004, 04:11 PM
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Default Re: EFI Gueru's

no one knows ?
tyler Crockett increased 2.5 #s on a 497 HP engine with stock ECU
Rich as these 502's run I guessing no. but was hoping someone has done this.
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Old 08-31-2004, 04:16 PM
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Default Re: EFI Gueru's

what are the horsepower figures? I mean it will run it but if you have a lot more horsepower with your crate engines I will need to determine the BSFC to know if an EFI upgrade is needed. For the most part though yes it should work fine.

Roby
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Old 08-31-2004, 04:31 PM
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Default Re: EFI Gueru's

Duration @ .050" Lift Lobe
Int. Exh. Int. Exh. Centerline
211 230 .511" .540" 112
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Old 08-31-2004, 04:32 PM
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Default Re: EFI Gueru's

450 hp at crank
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Old 08-31-2004, 05:48 PM
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Default Re: EFI Gueru's

I believe that is just a stock 502 like the 502 Mag. The cam specs are a little different but I would think it should work just fine.
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Old 09-01-2004, 05:43 AM
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Default Re: EFI Gueru's

thanks guys will Do
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Old 09-02-2004, 01:35 AM
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Default Re: EFI Gueru's

is there Any way to boost fuel press?
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Old 09-02-2004, 01:49 AM
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Default Re: EFI Gueru's

is there any way to bump up fuel press on efi?
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Old 09-03-2004, 03:32 PM
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Default Re: EFI Gueru's

Originally Posted by kmhp
is there any way to bump up fuel press on efi?
replace the fuel regulator or buy a regulator top cap kit 25 psi- 60 psi adjustment cp performance , eddie marine.. etc. has them around 69- 70 bucks.
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