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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Injector advice

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Old Feb 26, 2021 | 06:45 AM
  #1  
chesster51's Avatar
chesster51
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Injector advice

I will be dropping in a new motor in the next couple of weeks. It’s a 347 stroker using 35-512-8 cam, GT40 heads, LT headers, 56 mm TB, stock intake. 94 F150 2wd. Are my stock 19# injectors single hole or four hole design and will they support the upgrades? If they are single hole and will not support will the four hole units support or do I need to upgrade to 24# injectors? Truck is chip tuned so tune can be modified.
 
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Old Feb 26, 2021 | 07:12 AM
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EllieMae94
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You should have no problems running the stock 19# with that combo of parts.
 
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Old Feb 26, 2021 | 10:07 AM
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chesster51
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Originally Posted by EllieMae94
You should have no problems running the stock 19# with that combo of parts.
That’s what I’m hoping. I’m still going to either replace them or have them rebuilt. Would you know if the existing injectors are single or four hole?
 
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Old Feb 26, 2021 | 10:09 AM
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If they came out of a ‘94 they’ll be 4 hole.
 
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Old Feb 26, 2021 | 01:13 PM
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torq'ta 5 8
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Originally Posted by chesster51
. 94 F150 2wd. Truck is chip tuned so tune can be modified.
how you do that with a 94?
LMR has the 4 hole injectors, that I would trust before ebay route-->Bosch Mustang Type III Fuel Injectors - EV1 - Jetronic - 19lb (86-02)
 
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Old Feb 26, 2021 | 03:42 PM
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Originally Posted by torq'ta 5 8
how you do that with a 94?
LMR has the 4 hole injectors, that I would trust before ebay route-->Bosch Mustang Type III Fuel Injectors - EV1 - Jetronic - 19lb (86-02)
It was several years ago, but as I recall I had to remove the inner fender to access the ECU. Tuner then connects his equipment to the ECU then starts the Dyno process making changes and then burns a chip that plugs into the ECU.
 
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