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Author
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Topic: biggest throttle body on a speed density??
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89 306
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Member # 9042
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posted
 
 
Wats the biggest size i can run witout havin vacumn issues 65?? 70?? I took a lok at my stock one and realized that thing is xtreamly small..plus i want a better throttle response
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02 mustang gt...mods soon to come!
89 lx: 306. edelbrock. heads..ported gt 40 manifolds..and all that other good stuff.
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Posts: 1268 | From: richmond | Registered: Mar 2009
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Jaejae5.0
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Member # 7958
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posted
lol it wont matter..your fine
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1987 notchback h/c/i 302 & 70mm turbo SOLD
2000 camaro ss cam only
Posts: 4890 | From: the combustion chamber | Registered: Oct 2007
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89 306
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Member # 9042
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posted
Jj if i remember ur notch use to be speex density right?? If so did u do the conversion and how u lik it. wo i cud put a 70 mm no problem??
quote:
Originally posted by 707notchback jaejae:
lol it wont matter..your fine
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02 mustang gt...mods soon to come!
89 lx: 306. edelbrock. heads..ported gt 40 manifolds..and all that other good stuff.
------------------
The ant-ghetto sign is no joke. Degrade this forum with ghetto behavior and get the boot. Ghetto behavior such as street slang, no regard for education (spelling & grammar) and threatening others with violence has no place on CAFords.com. Please find another forum to demonstrate such behavior.
Posts: 1268 | From: richmond | Registered: Mar 2009
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AR_Stang
351W
Member # 10223
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posted
I ran a bbk 70mm when it was speed density. It ran fine. You shouldnt have a problem.
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-American Revolution-
Posts: 553 | From: 831 | Registered: Aug 2010
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86redGT
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Member # 6961
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posted
The best improvement in throttle response would probably be gained by switching from speed-density too mass air.
Jegs and summit both sell a kit that is reasonably priced and the only other thing you need is a computer (I picked up an A9L for 50$ and i have an X3Z for when i do my motor swap)
Before i had swapped in my mass air system i was running a 70mm BBK TB, but was having just as bad if not worse throttle response and the car was dying at idle.
[ January 07, 2011, 12:10 PM: Message edited by: 86redGT ]
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2003 Mustang Cobra
2016 Fiesta ST
Posts: 314 | From: concord | Registered: Aug 2006
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racsirx
CAFords OG
Member # 1710
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posted
I still think stock to stock, speed density is faster than a mass air Mustang, if you are not planning on changing the injectors or the cam, then keep speed density. I put GT40 heads and intake and 75mm throttle body on my old 87 LX and ran 13s with a 308 gears and stock tires.
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88 Saleen #564
88 GT 331 NOVI2000
88 Coupe TURBO 9.75@142
95 Cobra R #75-SOLD
06 F250
13 BMW AH3
17 GT350 #5556
GOD'S NOT DEAD
Posts: 20750 | From: Concord & Pittsburg, CA | Registered: Aug 2002
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Jaejae5.0
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Member # 7958
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posted
quote:
Originally posted by 89 306:
Jj if i remember ur notch use to be speex density right?? If so did u do the conversion and how u lik it. wo i cud put a 70 mm no problem??
quote:
Originally posted by 707notchback jaejae:
lol it wont matter..your fine
well i did the conversion for future mods..you can add a u/l intake 70 or 65 mm tb with no prob..stock for stock speed density should be faster
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1987 notchback h/c/i 302 & 70mm turbo SOLD
2000 camaro ss cam only
Posts: 4890 | From: the combustion chamber | Registered: Oct 2007
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89 306
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Member # 9042
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posted
Yea cam and injectors are stayin stock for now..dont wana mess to much with the motor just yet
current planed mods are
full exhuast bbk equal lenghts headers h pipe wit hi flow cats org. 40 series flows (awaitin install)
373
lowerin springs nd control arms
also want to advance the timing what are ur guys suggestions on that??? Future mods are yet to be decided
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02 mustang gt...mods soon to come!
89 lx: 306. edelbrock. heads..ported gt 40 manifolds..and all that other good stuff.
------------------
The ant-ghetto sign is no joke. Degrade this forum with ghetto behavior and get the boot. Ghetto behavior such as street slang, no regard for education (spelling & grammar) and threatening others with violence has no place on CAFords.com. Please find another forum to demonstrate such behavior.
Posts: 1268 | From: richmond | Registered: Mar 2009
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racsirx
CAFords OG
Member # 1710
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posted
I like to run 10-12 degrees depending on gas used, but if I am using race gas I go 20 degress. But it looks like you have an arcing problem that I am curious to see how that is happening.
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88 Saleen #564
88 GT 331 NOVI2000
88 Coupe TURBO 9.75@142
95 Cobra R #75-SOLD
06 F250
13 BMW AH3
17 GT350 #5556
GOD'S NOT DEAD
Posts: 20750 | From: Concord & Pittsburg, CA | Registered: Aug 2002
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89 306
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Member # 9042
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posted
Yea i use 89 on my 87 cuz its all stock i think ima go 12 degress
but the arcing issue is on my 89 with the built motor i will take a video and post it up wen i get a chance on the op for that topic
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02 mustang gt...mods soon to come!
89 lx: 306. edelbrock. heads..ported gt 40 manifolds..and all that other good stuff.
------------------
The ant-ghetto sign is no joke. Degrade this forum with ghetto behavior and get the boot. Ghetto behavior such as street slang, no regard for education (spelling & grammar) and threatening others with violence has no place on CAFords.com. Please find another forum to demonstrate such behavior.
Posts: 1268 | From: richmond | Registered: Mar 2009
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