ty_ty13

iTrader: (42)

408
12.5 CR
230/236 .589/.598
th350
12 bolt 4.10
all the bolt ons except EWP
750 hp holley carb
GMPP single plane
PRC 5.3 stg 2.5 heads milled .055 55CC CC flowed 306cfm@600 on 3.9 bore
but now are opened up to 4.030
9'' converter

this isnt my finished plan but these heads will due until next winter (ETP and solid roller)

these heads should be here next friday...

oh this will also take about a 400DP shot

what do you guys think?

WS-Sick

I think that cam is too small for a 408. I haven't seen any result of the PRC's on a 408 yet. Are there any? Just curious.

Beast96Z

iTrader: (21)

Yea, the IVC of that small cam is going to put your DCR way up there. I could see that set-up needing race gas all the time. I'd shoot for something in the 240's.

ty_ty13

iTrader: (42)

yeah race gas is a definate.... 110 or AV fuel for cruising

2001 Pewter WS6

iTrader: (43)

I am running 94 octane on my 12.5:1 408

ty_ty13

iTrader: (42)

you are EFI though... mine will be carbuerated

2001 Pewter WS6

iTrader: (43)

I forgot about that...

ty_ty13

iTrader: (42)

what track times do you have with yours and what hp/tq?

ty_ty13

iTrader: (42)

also what do your heads flow?