[Diy_efi] 70s Caddy P+H injectors

bcroe at juno.com bcroe at juno.com
Fri Jan 23 05:15:43 GMT 2004


Sure they are good, some of us are still running 8 of them 
in the original port injected Cadillacs with 350, 403, 425, or 
500 engines.  The green tops will handle a mild 425 without 
exceeding 50% duty cycle; could do a lot more at 75%.  The 
blue tops are for the 500.  

The P + H don't flow so much more; they are just more 
accurate for narrow pulse widths.  

Bruce Roe

22 Jan 04 "Chris Carson" <ccarson2 at prodigy.net> writes:
> Are these any good? Somewhere, I recall reading that low-
> impedence injectors are capable of flowing huge amounts 
> of fuel. Is this true? I already have a set, I'm just wondering 
> if I can drive these with a 749 instead of going
> through the hassle of retrofitting high-impedence injectors.
> 
> Chris
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