TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

TBI pump to TPI pump?

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Old Jun 11, 2009 | 01:11 PM
  #1  
WagonmasterRuss's Avatar
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From: S.W. Washington
Car: 1993 Caprice Classic "Woodie"
Engine: 350 TBI W/EBL Flash
Transmission: 4L60 S10 converter
Axle/Gears: 8.5, Torsen T2, 3.73s
TBI pump to TPI pump?

Is this a straight swap? Fuel line diameters the same? Thanks,
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Old Jun 11, 2009 | 02:53 PM
  #2  
ownor's Avatar
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From: Austria
Car: 84 TA / 89 Formula
Engine: LS1 / L03
Transmission: T56 / 700R4
Axle/Gears: 3.73 / 3.27
Re: TBI pump to TPI pump?

Yep, drops right in, at least mine did (Delco EP241). You can/should just go and buy new EFI high pressure hoses and clamps anyways, or use the one that come with the pump.
Anyways, absolutely recommended swap! Good luck on getting that tank to drop out though >.<

edit: am i reading it right, your using a Ford AOD trans behind your 350? (which i guess is an sbc at least )
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Old Jun 11, 2009 | 02:58 PM
  #3  
WagonmasterRuss's Avatar
Thread Starter
Junior Member
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Joined: Oct 2005
Posts: 42
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From: S.W. Washington
Car: 1993 Caprice Classic "Woodie"
Engine: 350 TBI W/EBL Flash
Transmission: 4L60 S10 converter
Axle/Gears: 8.5, Torsen T2, 3.73s
Re: TBI pump to TPI pump?

Originally Posted by ownor
Yep, drops right in, at least mine did (Delco EP241). You can/should just go and buy new EFI high pressure hoses and clamps anyways, or use the one that come with the pump.
Anyways, absolutely recommended swap! Good luck on getting that tank to drop out though >.<

edit: am i reading it right, your using a Ford AOD trans behind your 350? (which i guess is an sbc at least )
No... It's a 4l60. Better edit my "Details"
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Old Jan 22, 2010 | 10:27 PM
  #4  
WagonmasterRuss's Avatar
Thread Starter
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Joined: Oct 2005
Posts: 42
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From: S.W. Washington
Car: 1993 Caprice Classic "Woodie"
Engine: 350 TBI W/EBL Flash
Transmission: 4L60 S10 converter
Axle/Gears: 8.5, Torsen T2, 3.73s
Re: TBI pump to TPI pump?

Originally Posted by ownor
Yep, drops right in, at least mine did (Delco EP241). You can/should just go and buy new EFI high pressure hoses and clamps anyways, or use the one that come with the pump.
Anyways, absolutely recommended swap! Good luck on getting that tank to drop out though >.<

edit: am i reading it right, your using a Ford AOD trans behind your 350? (which i guess is an sbc at least )
Looks like I need to do the pump now,
What is the parts list?

Pump#
sending unit for sure
what about the harness?
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Old Jan 23, 2010 | 08:05 AM
  #5  
ownor's Avatar
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Joined: Sep 2006
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From: Austria
Car: 84 TA / 89 Formula
Engine: LS1 / L03
Transmission: T56 / 700R4
Axle/Gears: 3.73 / 3.27
Re: TBI pump to TPI pump?

well on the pump assembly of my '89 L03 i just put the pump in there, along with a grommet, new hoses, clamps, and filter sock. don't remember anything else was needed than what came with the pump!? as said the p/n is EP241, you can also get it on ebay.
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Old Jan 24, 2010 | 09:36 AM
  #6  
WagonmasterRuss's Avatar
Thread Starter
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Joined: Oct 2005
Posts: 42
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From: S.W. Washington
Car: 1993 Caprice Classic "Woodie"
Engine: 350 TBI W/EBL Flash
Transmission: 4L60 S10 converter
Axle/Gears: 8.5, Torsen T2, 3.73s
Re: TBI pump to TPI pump?

Originally Posted by WagonmasterRuss
Looks like I need to do the pump now,
What is the parts list?

Pump#
sending unit for sure
what about the harness?


Thanks guys
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Old Jan 24, 2010 | 05:48 PM
  #7  
WagonmasterRuss's Avatar
Thread Starter
Junior Member
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Joined: Oct 2005
Posts: 42
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From: S.W. Washington
Car: 1993 Caprice Classic "Woodie"
Engine: 350 TBI W/EBL Flash
Transmission: 4L60 S10 converter
Axle/Gears: 8.5, Torsen T2, 3.73s
Re: TBI pump to TPI pump?

Found it all at Rock Auto


EP376 - Electric Fuel Pump ('94-'96 Caprice)
FLS - 1020 sending unit (Wagon)
Pricey..... But with 200K on the car, some stuff has to be replaced...........
Now I'll be able to do the LTI Cam, CFM-tech TB and 9C1 injectors

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