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Author
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Topic: speed density question
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Pcharged46
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Member # 1664
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posted
 
 
What parts are needed to convert an 87 5.0 to mass air ? Is it smog legal ? thanks
Will adding exhaust mods like an o/r h and mufflers and gears affect the speed density unit ?
[ February 29, 2004, 05:09 PM: Message edited by: 209LxCoupe ]
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04 Gt, Procharger,ported bullitt intake, vt cams, patriot heads mahle pistons, manly rods... etc.etc.
Posts: 671 | From: Oakdale | Registered: Aug 2002
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MR GO FAST
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Member # 2088
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posted
I have bbk headers, off road and two chamber flows and no effects on the car (my 86GT) what so ever. But I have to install an adjustable fuel presure regulator cause I think I am not getting full power when I shift at 5k
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1986 Gt that is faster than FOSTANGS pinto
Posts: 3729 | From: ATWATER/SANJO/RWC | Registered: Nov 2002
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Pcharged46
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Member # 1664
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posted
Thanks !!!
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04 Gt, Procharger,ported bullitt intake, vt cams, patriot heads mahle pistons, manly rods... etc.etc.
Posts: 671 | From: Oakdale | Registered: Aug 2002
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cobraman_1994
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Member # 467
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a maf conversion is smog legal and cheap. but you dont need it for minor bolt ons. but once you remove the valve covers to do mods, you will need the conversion. i think comp cams makes a cam for speed density, but im not sure.
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86 GT
Posts: 4882 | From: eldorado hills | Registered: Sep 2001
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The Nick
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Member # 2244
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I did it. You need a mass air computer, the wiring harness, and the meter. Depending on whether you go with C&L or Pro-M, you'll need a stock MAF sensor.
I used an A9L computer, the conversion wiring harness from Pro-M's website, a C&L 76mm plumbing and sample tube, and a stock MAF sensor I bought from a CaFords member. In all, it cost around $350. If you get a used C&L, it'd be a lot cheaper though.
Good luck.
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Fast, Cheap or Reliable. Pick two and live with it.
Posts: 1215 | From: The Delta | Registered: Dec 2002
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cobraman_1994
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Member # 467
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oh, one more thing. if you do this on a stock car it will be a little bit slower. but you can mod the car just like the maf folks. totally worth it imo ![[Big Grin]](biggrin.gif) ![[Wink]](wink.gif)
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86 GT
Posts: 4882 | From: eldorado hills | Registered: Sep 2001
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z pyro
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Member # 3745
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sure, with absolutely nothing it will be a bit slower, but when you can put a better cam, heads, MAF, nitrous and s/c, you'll be a little bit faster than a speed density car
speed density only measures the incoming air. actually, it guesses the incoming air is more like it. it uses the MAP sensor (manifold absolute pressure) to measure the vacuum in the upper intake manifold, along with other inputs like vehicle speed and throttle position, and delivers the fuel accordingly. it doesn't have anything to do with the exhaust, so you can do whatever you want back there.
[ February 29, 2004, 10:43 PM: Message edited by: zpyro35 ]
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'95 Integra LS
'08 Buell XB12R Firebolt
'65 Mustang 289 - soon to be 306
Posts: 1732 | From: Fresno, CA | Registered: Nov 2003
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