Is porting the mass air flow housing worth it?
Is porting the mass air flow housing worth it?
Registered User
Joined: Mar 2002
Posts: 150
From: North Carolina (former LIer)
I did it and it is a great mod IMO. GMHTP just did a dyno test on a ported maf and got 5 rwhp , that's awesome for a free mod. People pay $50 for the smooth bellows and get nothing from the dyno (also done by GMHTP mag this month).
You can see my mods and times in sig , they speak for themselves.
As for leaning out, yes I beleive it is a problem for the 01-02 models not the 98-00s.
You could always buy a set of ported ends , for $99, this way if you need to go back to the stock ends for some reason you can. I got my ends from my buddy who had them left over from his former LT1 (same part, at least the ends are).
------------------
99 SS, Dark Metallic Blue, M6
SLP lid, KN, TBB, SLP Y-pipe, SLP loudmouth
ported MAFs, Nitto 315 DRs
Currently: 1/4 13.06@113.8 (gtech runs high in mph by about 4mph), 0-60 4.77 (w/passenger) Gtech'd
12.99@110.2, 2.06 60ft - Tazzo.
Also, 331 rwhp as measured on the Gtech
You can see my mods and times in sig , they speak for themselves.
As for leaning out, yes I beleive it is a problem for the 01-02 models not the 98-00s.
You could always buy a set of ported ends , for $99, this way if you need to go back to the stock ends for some reason you can. I got my ends from my buddy who had them left over from his former LT1 (same part, at least the ends are).
------------------
99 SS, Dark Metallic Blue, M6
SLP lid, KN, TBB, SLP Y-pipe, SLP loudmouth
ported MAFs, Nitto 315 DRs
Currently: 1/4 13.06@113.8 (gtech runs high in mph by about 4mph), 0-60 4.77 (w/passenger) Gtech'd
12.99@110.2, 2.06 60ft - Tazzo.
Also, 331 rwhp as measured on the Gtech
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