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Discussion Starter #1
hey guys so my supra started to smoke white smoke, and I am thinking to build the motor in the fix Process. (my daily driver for the summer time )

my idea was since I am pulling the head anyways to go ahead and do some work to it. Im planning to go 800 whp or so this time as I am currently at 500 whp

whats the Recommendations on the head building ?
from what iv found on my search was (and I understand not all this is required to get that hp )

Current set up
Precision 6266 Turbo with log manifold
AEM Infinity ecu
welded cam gear
BC cam gears
NGK BKR7EIX IRIDIUM plugs
everything else is stock currently @ 500 rwhp


Plan to add in the rebuild Process
arp studs
OEM head gasket
port and polish head
1mm os valves
valve springs ?
cams (272?) hks or BC
Bigger turbo with the PRL manifold (anyone have anything to say about the PRL Manifold ?)


bottom end not decided yet

If anyone has good links to builds to my goals 800 rwhp please post
 

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I have 10:1 cp Pistons with upgraded pins, manely h tuff rods, arp main bolts, arp L19 headbolts. Stock valves with 3 angle valve job, street port. Gsc springs and gsc s2 cams. S366 turbo and megasquirt ecu on e85. 860whp @ 29 psi
 

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For that power you don't need oversize valves.
 
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