simpleboy77

iTrader: (10)

Alot of talking about using the PRC 5.3 stage 2.5 for boost aplication but no one putting result or said they have try it. I'm still trying to find all specs on these head but they are hard to find.

I'm planing to built a 346 FI engine and still debating to keep or change my PRC head. Of course, I will forge the block anyway. The combination I end up to be arround 9;1 comp is too use a -15cc dish piston. Again, this is by pretending the head is 62cc.

If any one have use these head or have good point not to use these head, lets me know.

My goal is to be arround 700whp and it will be whit a D1SC. My car is a 6spd.

OUTLAWZ RACING

iTrader: (9)

You will reach your goals with ur current heads. Prochargers like alittle more compression than urbos. 9.5 static and a 7.8 ish dcr would rip for sure.

simpleboy77

iTrader: (10)

Thanks for the reply Outlawz.

I forgot to ask for cam. Is this a good cam to use for my application;
FM4 226/226 .575/.575 112+4degrees LSA

I was thinking to buy Bob cam insted of the FM4.

Sales2@Texas-speed

iTrader: (5)

Here's the web page with some details/specs on those PRC 5.3L heads, in case you're still interested!

http://www.texas-speed.com/shop/item...id=84&catid=20

Sales4@Texas-Speed

iTrader: (4)

That cam doesn't seem to bad except I would want to put it on a 114 LSA. the 112 will probably bleed off some boost from overlap.

simpleboy77

iTrader: (10)

Any chance you know the chamber ''cc'' ? This will help alot.

Is there a way to know if the head have ben shaved to lower the compression ?