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injector size ?'s

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Old Aug 5, 2003 | 04:56 PM
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Default injector size ?'s

I am building a 422 cuin steel block engine it should be near 500 rwhp all the injector calculators say a 42 lb injector should be fine. I see people with the same hp with 36 lb injectors. I have a set of 42lb svo injectors is this a good starting point or are they too big or too small?
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Old Aug 5, 2003 | 04:58 PM
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Default Re: injector size ?'s

They are rated 42lb at 43psi right?

I had a 422ci and ran injectors that were 39.5 @ 58 psi and I made 475rwhp and had room up to 525rwhp supposedly.
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Old Aug 5, 2003 | 05:00 PM
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Default Re: injector size ?'s

yes they are 42lbs at 43psi.
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Old Aug 5, 2003 | 05:04 PM
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Default Re: injector size ?'s

So 42 @ 43 works out to being __? at 58?

MTI uses 36 lb SVO's.
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Old Aug 6, 2003 | 11:45 PM
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Default Re: injector size ?'s

I would say the 42's would flow 56 lbs/hr @ 58 psi of fuel pressure.
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Old Aug 7, 2003 | 12:04 AM
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Default Re: injector size ?'s

John roughly a 48# it equates to
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