confused/ mas vs. sd
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Senior User
Joined: Aug 2003
Posts: 128
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From: lake elsinore, ca
confused/ mass air vs. speed density
well i rebuilt my engine (302efi) to a little better than stock but still mostly stock, got my heads surfaced, new lifters, pistons .030 over, and other rebuild parts, i also put in comp cams, then jba headers, gibson exhaust and the k&n filtercharger, i also changed some of my vaccum lines with copper tubing (looks pretty cool too) but what im asking is do i really need to change my speed density system to mass air after doin these mods? because ive been reading some other forums about this and they got me a little nervous like the computer not adjusting and engine surging so i was wondering if i really need to convert to mas air cause im pretty much done fixing up the engine till i get my trucks rear end rebuilt (you wouldnt know of any kits i can buy?) and get it lifted but i have to make the money too, i am only 17 so money isnt there when i only make min wage so any suggestions would help
Last edited by xKirkx; Feb 24, 2004 at 07:56 PM.
Senior User
Joined: Apr 2002
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Re: confused/ mass air vs. speed density
Originally posted by xKirkx
... comp cams ... do i really need to change my speed density system to mass air after doin these mods?
... comp cams ... do i really need to change my speed density system to mass air after doin these mods?
The most critical factor in the cam, for sd, is the lobe seperation. It needs to be 114 deg or greater.
Intake and exhaust mods won't hurt anything.
Hotshot
Joined: Jul 2002
Posts: 14,285
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From: Bend,OR
