L-98 with carb,and mech.fuel pump?
Thread Starter
Junior Member
Joined: Nov 2003
Posts: 10
Likes: 0
From: florida
Car: 91 rs,83 monte SS
Engine: rs 305,SS 355
Transmission: rs 700r4,SS th350
L-98 with carb,and mech.fuel pump?
i have a 91 rs w/o an engine and tranny,that i want to make a cruiser out of.i bought an L98 with a bad cam to put in it.does the stock roller cam have a lobe to run a mechanical fuel pump?if not,and i swap to a regular cam,what else will i have to change?if i keep the roller cam,will i have to change the distributor drive gear?any info will be apreciated.rob
Thread Starter
Junior Member
Joined: Nov 2003
Posts: 10
Likes: 0
From: florida
Car: 91 rs,83 monte SS
Engine: rs 305,SS 355
Transmission: rs 700r4,SS th350
i forgot to mention,the fuel tank was also mia when i got the car.i picked up a free one from an 82'camaro,and thats why i want to run a mechanical pump.
Senior Member
Joined: Oct 2002
Posts: 798
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From: Sharonville OH
Car: 98 Z28 vert
Engine: LS1
Transmission: automagic
Axle/Gears: 2.73 - boo racing yay MPG
Does the l98 have provisions on the block for a fuel pump? Either way the stock roller cam does not have the lobe for a fuel pump. If you want to go cheap get the pump form a TBI car and a 3 port regulator.
Senior Member
Joined: Feb 2003
Posts: 847
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From: NJ fo0
Car: 1986/88 Frankenstein Trans Am
Engine: carbed L98
Transmission: T-5
i converted my L98 to carb and i tried putting in a mechanical pump but it didnt happen. i got a blue holley 14psi electric pump w/ APFR and mounted everything in the engine bay. pretty easy, and now i can service everything under the hood. the kit cost me $110
Thread Starter
Junior Member
Joined: Nov 2003
Posts: 10
Likes: 0
From: florida
Car: 91 rs,83 monte SS
Engine: rs 305,SS 355
Transmission: rs 700r4,SS th350
Originally posted by Trans_AM_88
i converted my L98 to carb and i tried putting in a mechanical pump but it didnt happen. i got a blue holley 14psi electric pump w/ APFR and mounted everything in the engine bay. pretty easy, and now i can service everything under the hood. the kit cost me $110
i converted my L98 to carb and i tried putting in a mechanical pump but it didnt happen. i got a blue holley 14psi electric pump w/ APFR and mounted everything in the engine bay. pretty easy, and now i can service everything under the hood. the kit cost me $110
thanks everyone for the input.
:hail:
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Senior Member
Joined: Feb 2003
Posts: 847
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From: NJ fo0
Car: 1986/88 Frankenstein Trans Am
Engine: carbed L98
Transmission: T-5
Originally posted by FandGbody
let me ask you this,what did the conversion from tpi to carb do for power?also,what is apfr,and where can i get the kit?did you change your hei distributor gear?
thanks everyone for the input.
:hail:
let me ask you this,what did the conversion from tpi to carb do for power?also,what is apfr,and where can i get the kit?did you change your hei distributor gear?
thanks everyone for the input.
:hail:

afpr = adjustable fuel pressure regulator. good for when you get a new carb and you need more fuel pressure (better than buying a new pump again)
i got a whole new vacuum advance distributor from a buddy
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Joined: Oct 2003
Posts: 153
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From: Brooklyn, New York
Car: '86 Camaro
Engine: 406 Small Block
Transmission: 4 Speed
Axle/Gears: 3.45
Originally posted by Trans_AM_88
i got a blue holley 14psi electric pump w/ APFR and mounted everything in the engine bay. pretty easy, and now i can service everything under the hood.
i got a blue holley 14psi electric pump w/ APFR and mounted everything in the engine bay. pretty easy, and now i can service everything under the hood.
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