jBrandtGT

now that i have the cash im gonna get the valve-train done on my PI heads. this is gonna be set up for hot-street cams with comp springs, i have headers, 24# injectors, MAF, PI intake, MSD ignition, and 3.73 or 4.10 gears (i havent decided yet) etc. im wondering what valves will benifit my set-up the best, thanks again

BlueStang225

don't know about valves but if it is an automatic i would go with the 4.10's if it is not a everyday

BLKSTANG9879

The best set of valves for PI heads are from Mod Max. If you goto MODMAX.com they got them. They are a little more money, but well worth it.

jBrandtGT

its a 5-speed and its a summer car, so for the most part yes it is an everyday driver

BLKSTANG9879

I'm tellin you. Just go with Mod Max, My car is a everyday driver. Their great. Plus they don't red line until 8,000 rpms. so you know they are made strong and to last.

jBrandtGT

ok, sounds good, i looked at mod max's website and i didnt see any prices, do u know the cheapest place to get them?

BLKSTANG9879

Yea, I don't know what state you live in. But there is a s**t load of links on the Mod Max website, to dealers. I'm sure there is one that is close to you.</P>

vfast

you need something like a sereve duty valve manley makes for increase flow as the stem is cut back and putting a 5 angle valve job and port match will help...I'm not sure what size valves you have but would go 1 size bigger if possible

jBrandtGT

ok, im looking at the mod max valves and i may do the P&P, the valves im looking into are 1.781" intake, 1.452" exhaust, what are the valve sizes on my 99 PI heads?

BLKSTANG9879

I'm not to sure. But if you talk to the tech guy at Mod Max he'll help you out on everything question you got.