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Re: Choice of injectors/393 stroker

From: Lars Pedersen <lpedersen_at_ucdavis.edu>
Date: Tue, 05 Feb 2002 17:47:28 -0800

Brian- here's some injector sizing info
http://www.pro-flow.com/sizing.htm

In your application 24's will be too small. Even if they could handle it
they'd be at 100% duty cycle, and you'd have lean problems at WOT. Reading
again it sounds like you are thinking about 30's anyway?

Lars Pedersen
Davis, CA

At 16:36 02/05/2002 -0800, you wrote:
>Kincade I have a question about your choice of injectors for your 357
>stroker.
>Why #36 with a little 65 MM TB?
>
>This doesn't sound "balanced", but i'm just guessing. I hear the 24 lb
>injectors will support up to 450 HP, so it would seem that the #30 would be
>plenty. Why 36? I thought that the higher the injector pound rating, the
>more difficult it got on the smooth idle.
>Out of curiosity, how much HP is the 65MM TB rated too?
>
>How about the rest of you motor heads!
>
>Part of the reason I'm asking, is because I'm building up a 393 stroker. I
>have the Scat crank and 185ccAFR heads so far. I also ended up with a 65mm
>TB from a couple years back, that I was thinking about using. I'm looking
>at around 450HP at 5000rpm's, and 500ftlb.s at 3500rpm's (according to
>Dyno2000). Will the 65mm be a major restriction for my motor?
>
>I'm debating between the #24 vs #30 injectors. Will the 24lb injectors be
>cutting it to close, and risk leaning out the motor, doing some damage?
>
>What about the stock external pump, and 5/16" lines/fuel rails. What kinda
>HP level are they rated to?
>
>Thanks,
>Brian Wickert
>Hanford, CA
>http://www.bwickert.alloffroad.com/DusyErshim/DusyErshim.html
>http://www.bwickert.alloffroad.com/HydroBoost/HydroBoost.html
>http://www.bwickert.alloffroad.com/WreckingBall/WreckingBall.html
>http://www.bwickert.alloffroad.com/ClawHammer/ClawHammer.html
>http://www.bwickert.alloffroad.com/ARCA/ARCA.html
>http://www.bwickert.alloffroad.com/RockerBumpers/RockerBumpers.html
>http://www.bwickert.alloffroad.com/BroncoMods/BroncoMods.html
>http://www.bwickert.alloffroad.com/Fordyce/Fordyce.html
>http://www.vintagebronco.com/coby/images/bwickert/BWickert.html
>http://www.vintagebronco.com/coby/images/bwickert/jan27/atlas.html
>
> > Kincade Bauer, Darkhorse
> >
> > Discount Advance Adaptors Dealer:
>http://www.hospitalfood.net/700/prices.html
> >
> > 700R4 behind a small-block ford:
> > http://www.hospitalfood.net/700/700install.html
> >
> > -1973 Bronco
> > Kenne Bell Supercharged/Fuel Injected 5.0 [bypass, 8#'s, 36#
> > injectors, Kenne-Bell switch chip, T-rex 50/70 with Carter 98 gph l/p
> > pusher, 80MM Ford MAF, 65MM Accufab TB, J&S Ultra-Safeguard] 700R4,
> > AtlasII 4.3:1, Detroit/ARB w/ 5.13's, Full-Width Axles, 35" MTR's,
> > AGR close-ratio box/pump, 28 year old paint
> >
> >
> > -1989 Mustang 5.0 LX, stock
>
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Received on Tue Feb 05 2002 - 18:43:34 MST


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