can i put a mechanical fuel pump on a tbi motor? i know i need to check to see if it has a lobe on it but what r the chance? i know its a 95 motor
if it has the thing on the side of the block i think it does... just dropped a 94 BBC in my 84 today.. and didnt realize it didnt have the casting for it.... nothin an electric fuel pump cant fix!
Might not be a hole for the fuel pump push rod capt.
Nope. Factory TBI cams do NOT have the lobe for it. No hole machined for push rod either. Just the exterior casting, since the blocks are the same as the 86-up one piece seal, which was still carburated. (besides having roller lifters in some of the engines.)
IF, I mean IF, it has a cover plate, there may be a slim chance it has the hole and lobe, as it could be a crate engine replacement . . .
Quote from: ToughBowtieTruck on July 16, 2012, 02:05:20 AM
Nope. Factory TBI cams do NOT have the lobe for it. No hole machined for push rod either. Just the exterior casting, since the blocks are the same as the 86-up one piece seal, which was still carburated. (besides having roller lifters in some of the engines.)
IF, I mean IF, it has a cover plate, there may be a slim chance it has the hole and lobe, as it could be a crate engine replacement . . .
my 92 camaro with the stock tbi 305 that had a stock roller cam in it and the cam had a lobe for the pump and yes the block had a plate on it too :) so if its got a plate on it, pull it off and see if its got a lobe... if it does you can run a mech. pump.
Quote from: xjs3667 on July 16, 2012, 02:50:17 AM
Quote from: ToughBowtieTruck on July 16, 2012, 02:05:20 AM
Nope. Factory TBI cams do NOT have the lobe for it. No hole machined for push rod either. Just the exterior casting, since the blocks are the same as the 86-up one piece seal, which was still carburated. (besides having roller lifters in some of the engines.)
IF, I mean IF, it has a cover plate, there may be a slim chance it has the hole and lobe, as it could be a crate engine replacement . . .
my 92 camaro with the stock tbi 305 that had a stock roller cam in it and the cam had a lobe for the pump and yes the block had a plate on it too :) so if its got a plate on it, pull it off and see if its got a lobe... if it does you can run a mech. pump.
Aye, 92 is floating around the years when carbs were special ordered, as well. By 95 carbs didn't exist. ;D
95 is also higher chances it's an Lt instead of the oldschool style blocks. ...... if it's oldschool and it's got the machine work done to the block for a mechanical pump then give it a shot
Quote from: Jjay78 on July 16, 2012, 03:28:52 AM
95 is also higher chances it's an Lt instead of the oldschool style blocks. ...... if it's oldschool and it's got the machine work done to the block for a mechanical pump then give it a shot
x2 95 was the change over year :)
Yea I know I got lucky :) but was pleasantly surprised
Quote from: Super_Scott on July 16, 2012, 05:54:15 AM
flint engines had the block off plate and the pump lobe im not sure if this is the right place but newyork?? engines didnt they were not even machined out .reason is truck and buss used flint only and some of the bigger trucks still used carbs this was early 90s late 80s untill they closed v8 down in flint
now if your talking about putting a mech pump still useing tbi i dont think you find one that will put out 13 psi and steady pressure
TBI only needs 9-13 psi, mechanical pump does put out near that stock, but they can't "prime" injectors . . .
i m running carb if u all wonder
Quote from: Captn. J on July 17, 2012, 12:36:17 AM
i m running carb if u all wonder
I figured that :) could it be that edelbrock 1406? :)