LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

85mm ZO6 MAF conversion???

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Old Jun 17, 2003 | 12:34 PM
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85mm ZO6 MAF conversion???

I saw this mod on ls1speed.com in the LT1 section, it claimed to give an additional 18 hp. Is this true? Would I get a gain with my mods? Thanks
Old Jun 17, 2003 | 01:06 PM
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Re: 85mm ZO6 MAF conversion???

Originally posted by 95z115
I saw this mod on ls1speed.com in the LT1 section, it claimed to give an additional 18 hp. Is this true? Would I get a gain with my mods? Thanks
with you tints or black outs?

MAF upgrades aren't needed till you REALLY start pushin HP/RPM
Old Jun 17, 2003 | 01:22 PM
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I HIGHLY DOUBT that a MAF swap would give that much HP, except in an extreme case where the MAF was the primary restriction on the intake side. In your case... I'd say MAX 5hp... heck the only reason I changed mine was because my stock one failed, and I wasn't going to spend $300 on a replacement when the Z06 one costs $85.
Old Jun 17, 2003 | 08:23 PM
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Well my tint helps my HP alot, it keeps the inside cool so I dont run the AC therefore resulting in more HP And dam i dont really have any smart excuse for my blackouts, you got me there.
Old Jun 17, 2003 | 08:34 PM
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Originally posted by 95z115
And dam i dont really have any smart excuse for my blackouts, you got me there.

blackouts on the front of a camaro smooth over the pocket formed by the stock recessed headlights, therefore smoothing airflow and creating a more aerodynamic shape..........easily resulting in atleast 50 rtwhp (ricer theoreticl wheel horse power).





and no......the maf wont do a thing for you..........its been proven that the stock maf is more than big enough to flow air for most cars, unless you have a serious F/I setup.
Old Jun 17, 2003 | 09:40 PM
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Well, obviously GM found a need to put it on the Z06 corvette ... which is pushing 425 flywheel hp ...... if this was such a terrible idea - then why didn't they use the stock LT1 or LS1 MAF?

if it made no difference, then why did they use a different MAF for the LS6 motor?

that is the $1.50 question....

EDIT: Z06 pushing 425 flywheel hp .... which is easily obtainable from the LT1. (heads and cam) Might look into portmatching the intake to heads and throttlebody.

Last edited by pillagenburn; Jun 17, 2003 at 09:43 PM.
Old Jun 17, 2003 | 10:43 PM
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nobody said that it isnt an inprovement for a car making that kind of power. but i dont think the guy who asked has that much power.
Old Jun 17, 2003 | 11:38 PM
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Is this ZO6 MAF a direct plug in or does it require some work to fit?

Any links to more info on this?


Thanks!
Reid
Old Jun 17, 2003 | 11:58 PM
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Originally posted by pillagenburn
Well, obviously GM found a need to put it on the Z06 corvette ... which is pushing 425 flywheel hp ...... if this was such a terrible idea - then why didn't they use the stock LT1 or LS1 MAF?

if it made no difference, then why did they use a different MAF for the LS6 motor?

that is the $1.50 question....

EDIT: Z06 pushing 425 flywheel hp .... which is easily obtainable from the LT1. (heads and cam) Might look into portmatching the intake to heads and throttlebody.
425 huh?

Z06 gains anotehr 20hp



and port matching isn't going to bring you anywhere near LS6 stature.

when you find a way to get 15* heads, aluminum block, revised firing order, better (to be vauge) combustion chambers, equally spaced ports and a tuned intake manifold "easily" give me a call-

till then, i'm wrenching on the stroker saving for the Zr1 or Z06
whichever one i find more sexually appealing in 5-7 years
Old Jun 18, 2003 | 07:15 AM
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Originally posted by REPO
Is this ZO6 MAF a direct plug in or does it require some work to fit?

Any links to more info on this?

Thanks!
Reid
There are 2 versions availabile...

the LS1speed.com version - $150 (Last time I knew) is a direct plug and play unit.

the GM replacement Z06 part ($85) requires a cable from either Ed-Wright or Ramchargers to plug in the new MAF ($20) and either having your PCM programmed for the new MAF or programming it yourself.
Old Jun 18, 2003 | 08:41 AM
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Originally posted by 97FormulaWS-6
There are 2 versions availabile...

the LS1speed.com version - $150 (Last time I knew) is a direct plug and play unit.

the GM replacement Z06 part ($85) requires a cable from either Ed-Wright or Ramchargers to plug in the new MAF ($20) and either having your PCM programmed for the new MAF or programming it yourself.


I have LT1 Edit so that isn't a problem I don't think. What exactly needs to be changed, or is it just things like VE? Or is it a new MAF curve?
Old Jun 18, 2003 | 09:16 AM
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New MAF Freq Vs Flow chart.

I can e-mail you the chart that I have programmed in my car. It's an interpolated chart directly from a '02 Z06 PCM.

I got my cable from Kevin @ Ramchargers.
Old Jun 18, 2003 | 09:31 AM
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I borrowed a friend's Z06 MAF to see if I would realize any gains, nothing. The end of my Moroso CAI that connects to the MAF is 3.5", the Z06 is 4". I had to double up the rubber sleeves on the Moroso for it to fit smoothly. Seems to me the Moroso is a restriction. If it was 4" like the MAF, maybe there would be an improvement.
Old Jun 18, 2003 | 01:35 PM
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Well, my friend made 381rwhp on his stock displacement motor with 'Stage 2' ported heads (flow about 260 cfm intake and i believe 190-200 exhaust at .500 lift) and guess what cam he was using?

***A LT4 HOTCAM***

I couldn't believe it myself. i'm sure he'd gain a good bit more with a XE 224/230 or 230/236

oh, and that's 425 FLYWHEEL HORSEPOWER ... not rwhp out of a stock z06 motor .... 425 at the flywheel is VERY realistic for a LT1. Portmatching intake to t/b and whatnot is just something to squeeze every last little bit of hp out of what you have without more displacement or what have you.... a z06 MAF might not net you much, but it may have been enough to net my friend 385rwhp which is around what z06's make (from what i hear)

just my $.02
Old Jun 18, 2003 | 01:55 PM
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95Z115 Your from Fresno so am I. Ever run at the street races out here?



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