Heads and Cam

Stangdriver1119 · Sep 26, 2005

Guy what do you recommend for a good head and cam combo.

bdcardinal · Sep 26, 2005

do you plan to stay N/A?

four.six · Sep 26, 2005

Stangdriver1119 said:
Guy what do you recommend for a good head and cam combo.

the answer is right under your nose..... FRPP.

hotmustang331 · Sep 26, 2005

The first responders question is VERY important about what cam type we reccomend.

Stangdriver1119 · Sep 26, 2005

yeah i want to stay n/a out of curiousity if i got a s/c on top of that what would i use different?

DropTopPony · Sep 26, 2005

If your staying NA, then any of the head porters will do. VTengines, FoxLake, MPH,SteenRacing etc...cams..VT are good, Crower,MPH and Comp.

Most NA cams are not that great for supercharger applications and the opposite applys... I hear you can take an off the shelf comp 262ah or 270ah and use it either way. Have not tried it but I know a guy making 420rwhp with an off the shelf 262ah and vortech..I would suggest a dedicated blower cam for maximum benefit if thats the route you choose.

hotmustang331 · Sep 26, 2005

I would go with MPH stage 2.5 heads reguardless. If staying N/A then get some VT stg 2 cams (high everlap..108ish....not good for blower as the inatke charge will excape through the exhaust...N/A the exhaust gasses help pull in fress air...increasing effeciency). If going blower then get custom grind MPH cams.

The comps can be used witha blower because their overlap (LCA) is lower (numerically higher) at 112 or so. this lets less boost excape through the exhaust and so is decently effecient both ways for the common user...its on that line between the two, N/A and S/C. If you are unsure about your future then the comp 270s are probably the best. But be warned, the 270s HAVE had a few cases of PTV contact...the VTs have had 0 that I know of.

DropTopPony · Sep 26, 2005

hotmustang331 said:
I would go with MPH stage 2.5 heads reguardless. If staying N/A then get some VT stg 2 cams (high everlap..108ish....not good for blower as the inatke charge will excape through the exhaust...N/A the exhaust gasses help pull in fress air...increasing effeciency). If going blower then get custom grind MPH cams.

The comps can be used witha blower because their overlap (LCA) is lower (numerically higher) at 112 or so. this lets less boost excape through the exhaust and so is decently effecient both ways for the common user...its on that line between the two, N/A and S/C. If you are unsure about your future then the comp 270s are probably the best. But be warned, the 270s HAVE had a few cases of PTV contact...the VTs have had 0 that I know of.

well said, PTV should only be an issue on a NPI block(flat top piston) with PI heads. And even then when properly installed(degreed) this shouldn't be a problem ever.

hotmustang331 · Sep 27, 2005

Well this was with PI cars. What it is, is the comps come PRE ground with like 4 or 5 *s of advance, then the factory timing gear can be up to like 3*s off either way....this COULD mean an advance of 7 or 8*s.. BAD LOL. But if its degreed in (like you said) then it shouldnt be a problem...but if you simply line up the timing marks and get it to TDC and install it as is...that you could potentially have a problem. But this ofcourse wont happen in every car....this factory tolorence of 3ish *s could explain why some GTs are slight quicker than others.

csledd · Sep 27, 2005

you say vt cams are bad for s/c's? even with a s/c grind?

DropTopPony · Sep 27, 2005

csledd said:
you say vt cams are bad for s/c's? even with a s/c grind?

No VT blower cams are excellent for supercharged applications....just like the NA cams kick ass on NA cars....VT is a very good company...I'm not biased(vtst2 heads) at all

mogs01gt · Sep 27, 2005

search function would be the first place to start.

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