Alternative Port EFI Intakes This board is for tech discussions and questions about aftermarket port EFI such as the HSR, MR, SR, BBK, FIRST, etc.

injectors??

Old May 4, 2007 | 05:12 PM
  #1  
TPI-Formula350-'s Avatar
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From: Long Island New York
Car: 89 Formula 350
Engine: Forged 385 H/C/I
Transmission: 700R4-4300 Stall-lockup
Axle/Gears: BW 9 Bolt 3:70
injectors??

well it looks like my head gasket is leaking between my #3 and #5 cylinder, I'm only getting 60lb on both and around 130 on all other cylinders. So I'm thinking of lossing my stock L98 in favor of a 406 I have sitting around. Planning on using Brodix IK 200cc heads and a Comp Cam 230/236. This will be topped off with my SuperRam intake. I'm thinking my stock 22lb injector will not support this combo? Can anyone suggest a size injector and brand that will be more suitable for my new application? PN# and a price range they sell at would be great to know as well?? I will be swapping over pretty much all the parts in mt sig so that will be my complete combo. Thanks
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Old May 4, 2007 | 11:07 PM
  #2  
RednGold86Z's Avatar
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From: Corona
Car: 92 Form, 91 Z28, 89 GTA, 86 Z28
Engine: BP383 vortech, BP383, 5.7 TPI, LG4
Transmission: 4L60e, 700R4, 700R4..
Axle/Gears: 3.27, 2.73
Re: injectors??

30's should work fine. I'm guessing ~450hp with that cam and heads (using DynoSE).
Ford red-tops are 30's I believe. Can get them anywhere and pretty cheap.
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Old May 5, 2007 | 08:20 AM
  #3  
anesthes's Avatar
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From: SALEM, NH
Car: '88 Formula
Engine: LC9
Transmission: 4L60E
Axle/Gears: 3.89 9"
Re: injectors??

I have 36's in my 358 and it's too much. When I had a blower it ran lean, but n/a it's just too much fuel / too short injector pulse under low rpm low load.

Go with the 30s..

--Joe
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Old May 5, 2007 | 11:38 AM
  #4  
TPI-Formula350-'s Avatar
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Supreme Member
 
Joined: Aug 2003
Posts: 1,644
Likes: 4
From: Long Island New York
Car: 89 Formula 350
Engine: Forged 385 H/C/I
Transmission: 700R4-4300 Stall-lockup
Axle/Gears: BW 9 Bolt 3:70
Re: injectors??

looks like i'll be going with the 30s. Thanks guys
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Old May 9, 2007 | 08:19 PM
  #5  
doc's Avatar
doc
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Joined: Jul 1999
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From: Mims, Florida
Car: '87 IROCZ
Engine: 395 ZZ4
Transmission: ProBuilt 700R4
Axle/Gears: 9 bolt 3.70s
Re: injectors??

I agree with Red&Gold,,, 30#/hr Ford Racing injectors are correctly sized for your NA 406.
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