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#1 |
Registered Member
Join Date: Jan 2003
Posts: 7
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![]() guys,
I need to know if I can keep my speed density with the following mods... gt40 hds, explorer intake, 1.7 roller rockers, shorty headers h pipe (no cats), flowmaster exhaust, I do have an adjustable fuel pressure regulator and I figure I will have to play with the tune a bit , but will it work ok , or do I have to go mass airflow? thanks |
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#2 |
Registered Member
Join Date: Jul 2003
Location: alberta canada
Posts: 108
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![]() I would say yes, the only thing i'm wondering about is the 1.7 rockers hurting the vaccum thus the the map sensor reading> but it's not that much more lift, my 86 gt has the same stuff but no 1.7 rockers, if it idles crappy change the rockers back> 86 pistons have no valve releifs
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#3 |
Registered Member
Join Date: Jan 2002
Location: Mt. Prospect,IL
Posts: 474
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![]() shouldnt be a problem at all just set the fuel pressure around 38psi and u'll be set....
lata
__________________
87-ford-mustang-SOLD! mods: 3:73's, off road h-pipe, b303 cam in gt- 40 motor w/ Power Plus intake, edelbrock 70mm tb & egr spacer, 72mm C&L, bbk long tubes, tremec tranny, centerforce dual friction clutch, upr and lwr CA's 255lph FP and soon more to come.... when i have money again SOME ADVICE Don't do burn outs in reverse it is very expensive New times with dead hook on dr's 13.27@103 with 2.0 60 foots w/100lb system Fastest time to date: 12.8@113 |
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#4 |
Registered Member
Join Date: Oct 1999
Location: Pierre Part, La. U.S.A.
Posts: 1,850
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![]() SPEED DENSITY
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__________________
88workcar 1988 Mustang LX 342. 417rwhp @ 6800. 28 X 10 ET Drag, 4.30s, 10.69 @ 126.43 1.42 60ft. 11.13 @ 127.7 on BFGs 1.72 60ft Rice Hater # 42 To be old and wise, You must first be young and stupid ![]() |
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#5 |
Registered Member
Join Date: Apr 2001
Location: Staging lane
Posts: 4,337
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![]() I still got speed density and have no problems.
Here a tip though with an 86 with un-notched piston you can run trick flow twisted wedge heads and a mild cam. The trick flows dont use the stock valve reliefs. _________________________________________________ With what you listed even with the 1.7's I think it will all work. Just check all your clearances.
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92' LX-Big brakes, Lots and lots of suspension, GT40X heads, Ported cobra intake, stock cam, Vortech SC trim. 00' Lightning-Stock 88'CRX-13 second ego killer |
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