ChefTA

I was wondering if anyone had any insight on rather or not these heads are as good as TSP makes them out to be. Reading over the flowchart for these seems like they'd make some serious power, being not as expensive as AFR 205's. In the distant future; I'm looking into a 415 build, and wanted to gauge what if any potential these heads would offer. Or, rather or not I could run them on my LS1 thats in my car now. The 415 I'm interested in is based off an LS3 block.

Any info, would be greatly appreciated.
RJT

Jason 98 TA

iTrader: (4)

The 418s we've done engine dyno into the 650 flywheel hp range on pump gas with cnc l92s Ideally I'd run a prc 237 or new 247 that's going to be released before long. The aftermarket cathedral stuff is really pretty awesome stuff. Not to mention you can buy prc 237s for under $2000 without spring kit!

If I was on a budget the best stock casting option is the PRC cnc ported l92 heads without a doubt. We constantly ship 500rwhp combos on heads cam ls3 cars.