joej8

There is this one on ebay im thinking about buying and wanted to ask everyones opinion on it. If not this one which one would be a good one to get?</P>


http://cgi.ebay.com/ebaymotors/ws/eB...tem=2452199567</P>

vfast

no need to look at it what mods do you have?..what is the rpm range of cam? what gear? etc

joej8

I have a 91 gt aod with ford racing 3.73 gears, mac shorty headers, mac off road h-pipe, mac cat back exhaust, mac underdrive pulleys, mac cold air intake, mac 70 mm throttle body, trick flow track heat upper and lower intake manifold, and a shift kit in my tranny. i still have to get the 76 mm c&amp;l mass air meter too.

vfast

ok so you know your stall will be around 2k..I would also look for a 65mm t/b this will help in lower/midrange as you have I'm sure lost some due to it and the intake being to big
a cam change and/or 1.7 rockers are needed<edited><editID>vfast</editID><editDate>37997.9518518519</editDate></edited>

joej8

Explain to me how a 70 mm throttle body is too big??? and also how is the intake too much???

vfast

where do you want me to start? you basically stock right?
first you have the stock mass on the right? it's 55mm it's the restriction not the t/b. the stock t/b with a 76 mass will out run what you got now..the intake you have the rpm range is something like 2 or 2500 to 6500 I'm releying on my memory for the you stock cam is like 1200 to 4800 at the most so your intake is not working with your cam until 2500 or so. 1.7 rockers will help this out with looking for a cam

joej8

Ok so the 70mm throttle body is ok with a 76mm mass air? i keep saying everytime i post somethsing bout my car that i need to change the mass air but everyone always tells me that i need to change the mass air. like they dont read that part or something. the intake makes power from 1800-6200. i dont want to put a cam in this motor because it has 165,xxx miles on it and i really dont think it would be worth it.

vfast

yes/no....just try this...try it with the 70mm then the stock and let me know...it's a track heat right?.the track heat works well the heads/cam/etc...so if your doing a build up later it may work....is your exhaust 2.5"

joej8

yes i have 2.5" exhaust. i plan on building a 347 stroker this summer or maybe just doing a rebuild wiht some better pistons and a bigger cam and boring over .30. either set up i gow ith i plan on getting afr 185 heads

vfast

the 347 is a nice piece as well as the 331...the 185's will work really well with the intake and the 70 t/b...the 347 will need the 1" spacer on the intake as well as atleast 24# injectors..but like I said try it lil t/b change and see..but you need that mass as all else is a waste of your time and $$$ there on e-bay for around 80-100 bucks