put in bosch III and now car wont run

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Apr 21, 2009 | 10:17 PM

#51

irocuroc

Senior Member

Joined: Mar 2008

Posts: 428

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From: nj

Car: 89 iroc

Engine: l98

Transmission: tremec

Re: put in bosch III and now car wont run

Quote:

Originally Posted by airtime

glad you got your problem fixed. i have a question about your yellow top injectors. i just bought some off ebay and i'm having trouble getting them installed. i read in previous post above about double oring or shaving the manifold. the yellow top injectors are about 1/8 inch shorter than my 305 injectors (part number 028015027). we took the shim under neath the injector o-ring from the old injectors and installed them on the new injectors to try and get them to work. i did not have time to try this an see if it will work today. is this a common thing with these four hole injectors off ebay?

use the original clip in the upper most slot on the injector. The one that is closest to the top o ring.. If you do not use the clips they will be too short to seal properly in the rail

Apr 22, 2009 | 12:04 AM

#52

Toyota h8r

Senior Member

Joined: Dec 2006

Posts: 584

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From: toledo

Car: 1987 Z28

Engine: LG4

Transmission: T5

Axle/Gears: 3.23

Re: put in bosch III and now car wont run

not to hijack this thread but maybe someone in here can identify some injectors i came across....they are new bosch injectors for a ford 5.4L truck 2009 model.....i cant find ANY INFO about these little guys
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i know id have to buy the conversion harnesses from summit racing

Apr 22, 2009 | 07:55 AM

#53

irocuroc

Senior Member

Joined: Mar 2008

Posts: 428

Likes: 0

From: nj

Car: 89 iroc

Engine: l98

Transmission: tremec

Re: put in bosch III and now car wont run

Quote:

Originally Posted by Toyota h8r

i know id have to buy the conversion harnesses from summit racing

THEY ARE 27LB INJECTORS BUT THE PROBLEM IS THEY ARE A SPLIT PATTERN.. MEANING THEY ARE DESIGNED FOR A TRITON MOTOR WITH 2 INTAKE VALVES.. IF YOU USE THEM ON A SINGLE VALVE APPLICATION THE SPRAY WILL NOT HIT THE CENTER OF THE VALVE LIKE IT SUPPOSED TO. IT WILL WASH DOWN ON THE SIDES CAUSING STUPID IDLE CHARACTERISTICS ETC..THE MIN PULSE ON THESE IS 1.2MS, THEY CAN RUN TO 120PSI FUEL PRESSURE ALSO AND ARE E85 COMPATIBLE, MY BROTHER RACES A FORD MUSTANG AND WE USE THESE INJECTORS. I TRIED THEM IN A LT1 AND HAD ALL KINDS OF PROBLEMS.. THATS HOW I FOUND OUT ABOUT THE SPRAY PATTERN.

Apr 22, 2009 | 10:21 AM

#54

Toyota h8r

Senior Member

Joined: Dec 2006

Posts: 584

Likes: 0

From: toledo

Car: 1987 Z28

Engine: LG4

Transmission: T5

Axle/Gears: 3.23

Re: put in bosch III and now car wont run

well i do know the lt1 is sequential firing of injectors and tpi is batch firing so its kinda like a carburetor...maybe i could use them still with a tune of 27lbs?

Oct 29, 2010 | 09:50 AM

#55

Shadygrady

Supreme Member

iTrader: (3)

Joined: Jan 2006

Posts: 1,489

Likes: 0

From: Flowood,MS

Car: 87 IROC Z

Engine: 5.7 L98 TPI

Transmission: 700r4,2500 stall

Axle/Gears: G80,10 bolt 3.42's

Re: put in bosch III and now car wont run

Sorry to bring this one back but I wanted to ask a question.In the quote below i`ve been suggested to run them at 58 psi,but do I have them set as 22.5 in the chip or 24?

Quote:

they are the 26 so they are 22.5 in our cars.. if you have afpr run them at 58 but i don't think the stock pump will work.. they are also to short you need to put a ring on the lower grove to raise the installed height