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Author
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Topic: speed density mods?
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510.86.notch
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Member # 9892
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posted
 
 
What mods are worth doing to a speed density motor?Just trying to get some ideas.Got some money to spend and want to spend it where it will show.Car is a 86 gt o/r x slp Lm 1s cold air.Thanks in advanced.
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91 mustang coupe
84 mustang svo
89 mustang.4cyl5speed.
87 thunderbird turbo coupe-sold
86 mustang GT hatch-sold-kinda
86 mustang coupe-sold
Posts: 1062 | From: san leandro | Registered: Apr 2010
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GOT 50
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Member # 1960
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posted
Mass air conversion.
Gears if you stay speed density
Posts: 2139 | From: SF/DALY CITY/MILLBRAE | Registered: Oct 2002
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510.86.notch
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Member # 9892
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posted
Yea I'm staying speed density till this motor goes.yea gears sounds like the best bang for your buck.thanks.
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91 mustang coupe
84 mustang svo
89 mustang.4cyl5speed.
87 thunderbird turbo coupe-sold
86 mustang GT hatch-sold-kinda
86 mustang coupe-sold
Posts: 1062 | From: san leandro | Registered: Apr 2010
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Jaejae5.0
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Member # 7958
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posted
anything other than a cam will be fine with speed density...gears..exhaust intake..have fun
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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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510.86.notch
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Member # 9892
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posted
quote:
Originally posted by Jaejae5.0:
anything other than a cam will be fine with speed density...gears..exhaust intake..have fun
gears and exhaust sound nice.would a upper and lower actually add performance?thanks for the input.
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91 mustang coupe
84 mustang svo
89 mustang.4cyl5speed.
87 thunderbird turbo coupe-sold
86 mustang GT hatch-sold-kinda
86 mustang coupe-sold
Posts: 1062 | From: san leandro | Registered: Apr 2010
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KCmustangboy
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Member # 1927
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posted
My 87 Speed Density coupe was really quick... I kept it STOCK from throttle body to pan and with cold air, 3.73s, long tubes and x pipe, it would ripe off 12.9s on slicks.
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03 Cobra... Factory long block, with Whipple and AED tune... 812rwhp 10.0s @ 140... almost there!
WWW.AEDHP.COM
Posts: 1691 | From: San Jose, CA | Registered: Oct 2002
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510.86.notch
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Member # 9892
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posted
that sounds perfect.getting springs,struts and shocks then 373's rebuilt possi and clutch.looking for longtubes and x pipe as we speak.thanks for all the input.any suggestions on where to get the rear done?
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91 mustang coupe
84 mustang svo
89 mustang.4cyl5speed.
87 thunderbird turbo coupe-sold
86 mustang GT hatch-sold-kinda
86 mustang coupe-sold
Posts: 1062 | From: san leandro | Registered: Apr 2010
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KCmustangboy
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Member # 1927
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posted
http://www.rearendspecialties.com in the south bay do a good job. But check with the guys on hear, im sure someone does it as side work.
[ March 14, 2012, 02:12 AM: Message edited by: KCmustangboy ]
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03 Cobra... Factory long block, with Whipple and AED tune... 812rwhp 10.0s @ 140... almost there!
WWW.AEDHP.COM
Posts: 1691 | From: San Jose, CA | Registered: Oct 2002
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nitrous_bob
CAFords OG
Member # 77
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posted
the 3 best mods for the dollar are...in this order
1) nitrous
2) gears
3) tires (NOT nittos....but et streets)
1 and 2 require #3 for any real benefit
but for about a $1000 you can take a totally stock 5 speed fox to mid 12's all day long with all 3
after that dont even bother til you do heads
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5.0 OG since 1990
Posts: 1402 | From: st clair shores MI | Registered: Nov 2000
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510.86.notch
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Member # 9892
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posted
quote:
Originally posted by KCmustangboy:
http://www.rearendspecialties.com in the south bay do a good job. But check with the guys on hear, im sure someone does it as side work.
thanks again for the input.hopefully someone will chime in on the rear end.
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91 mustang coupe
84 mustang svo
89 mustang.4cyl5speed.
87 thunderbird turbo coupe-sold
86 mustang GT hatch-sold-kinda
86 mustang coupe-sold
Posts: 1062 | From: san leandro | Registered: Apr 2010
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510.86.notch
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Member # 9892
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posted
quote:
Originally posted by nitrous_bob:
the 3 best mods for the dollar are...in this order
1) nitrous
2) gears
3) tires (NOT nittos....but et streets)
1 and 2 require #3 for any real benefit
but for about a $1000 you can take a totally stock 5 speed fox to mid 12's all day long with all 3
after that dont even bother til you do heads
OK.what would be a safe amount to run for awhile?Also what is a good kit to run?Thanks for your help.
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91 mustang coupe
84 mustang svo
89 mustang.4cyl5speed.
87 thunderbird turbo coupe-sold
86 mustang GT hatch-sold-kinda
86 mustang coupe-sold
Posts: 1062 | From: san leandro | Registered: Apr 2010
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nitrous_bob
CAFords OG
Member # 77
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posted
Under 125 is perfectly safe on bone stock 5.0
But you'll wanna upgrade your fuel pump for safety, just so its new and 100% reliable
Also your probably gonne see that it only takes 75 hp jets to cut a full second off, and only another tenth or 2 with the 125's
Then youll just stick with the 75's and that's super safe. Safe enuff that I have run 14* timing and stock plugs gapped .042" with midgrade
Don't make it a habit though
I really like the NOS 5115 dry kit
I have used zex, edelbrock and NOS kits
I prefer NOS for various reasons....better selonoids, beefier other components as well
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5.0 OG since 1990
Posts: 1402 | From: st clair shores MI | Registered: Nov 2000
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510.86.notch
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Member # 9892
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posted
quote:
Originally posted by nitrous_bob:
Under 125 is perfectly safe on bone stock 5.0
But you'll wanna upgrade your fuel pump for safety, just so its new and 100% reliable
Also your probably gonne see that it only takes 75 hp jets to cut a full second off, and only another tenth or 2 with the 125's
Then youll just stick with the 75's and that's super safe. Safe enuff that I have run 14* timing and stock plugs gapped .042" with midgrade
Don't make it a habit though
I really like the NOS 5115 dry kit
I have used zex, edelbrock and NOS kits
I prefer NOS for various reasons....better selonoids, beefier other components as well
sounds good thanks for the knowledge.
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91 mustang coupe
84 mustang svo
89 mustang.4cyl5speed.
87 thunderbird turbo coupe-sold
86 mustang GT hatch-sold-kinda
86 mustang coupe-sold
Posts: 1062 | From: san leandro | Registered: Apr 2010
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