speed density vs carb

sheilaspony · 07-30-2005, 09:54 PM

anyone run speed density with major mods with any success?my 86 is ready for its new motor.flat tops x 303 cam gt 40 heads.want to spray it maybe a carb? maybe stay with speed density Dont want to change to mass air like every other mustang lol thanx

lx mike · 07-31-2005, 06:31 AM

88 workcar has gone 11's with speed density.

tmoss · 08-01-2005, 07:23 AM

The cam is the only mod you need to be careful with and I don't think the X cam is gonna work out well - SD needs good idle vacuum to get idle fuel mixture right. A Crower 15511, Crane 2030/2031 or Comp XE270 with 114 LCA are known cams that work and make good power.

07-30-2005, 09:54 PM	#1
sheilaspony Registered Member Join Date: May 2005 Posts: 6	speed density vs carb anyone run speed density with major mods with any success?my 86 is ready for its new motor.flat tops x 303 cam gt 40 heads.want to spray it maybe a carb? maybe stay with speed density Dont want to change to mass air like every other mustang lol thanx

07-31-2005, 06:31 AM	#2
lx mike Undescribable Join Date: Sep 1998 Location: Ft Myers Fla Posts: 1,539	Re: speed density vs carb 88 workcar has gone 11's with speed density. __________________ Rice Haters Club Member #101

08-01-2005, 07:23 AM	#3
tmoss Registered Member Join Date: Mar 2003 Location: Saint Louis, MO Posts: 634	Re: speed density vs carb The cam is the only mod you need to be careful with and I don't think the X cam is gonna work out well - SD needs good idle vacuum to get idle fuel mixture right. A Crower 15511, Crane 2030/2031 or Comp XE270 with 114 LCA are known cams that work and make good power. __________________ Tom (Torque) Moss 88Gt 5spd Vert, FLowmaster Catbacks, stock cam advanced 4° @ 108.5° ICL, NMRA prepped GT40P heads 1.85/1.55 valves and 1.7 rockers, MAC P headers Jet-Hot coated, 97 Exlporer intake (ported lower), TB and injectors. 277RWHP/330RWTQ (SAE). http://www.fastlanecars.com/

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