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Old 18th April 2018, 07:18 AM   #1 (permalink)
StavrosR32 is Garage SS owner
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single turbo setup

hi to all

i am thinking to go single turbo and i am between PT6266 gen 2 or PT6466 gen 2 BHP has to be around 600-700 at the flywheel
which a/r should i use?

i want it to be responsive but to have top end too...
the exhaust manifold i am goint to use is 6boost

the engine was build by RH9 with N1 internals
the camshafts arTOMEI PONCAM 260 in/ex with 10.25 lift

THANKS IN ADVANCE
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Old 18th April 2018, 09:01 AM   #2 (permalink)
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My Gen 2 6266 made ~600 flywheel with the t4 twinscroll 0.84a/r at ~1.3bar on a 2.6 with a fairly nicely flowed head.

There are other factors though so 600 fly is not guaranteed with the 6266. You'd loose a fair amount of response going up to the 6466 though.

That said I'm not sure the N1 is a piston you to push past 600 flywheel anyway.
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Old 19th April 2018, 03:10 AM   #3 (permalink)
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So many turbos to choose from it's almost overwhelming
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Old 19th April 2018, 11:25 PM   #4 (permalink)
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I made 700rwhp with G2 6466 0.84 T4 and Fullrace manifold, around 25 psi or so, 95 pump gas and methanol injection on a forged (87.5mm non-N1 block!) engine. Super responsive with 260 9.15 poncams. I suggest you aim higher, the RB engine needs power and with your engine you can get 600w at ease, 0.84a/r is very good.
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Old 20th April 2018, 06:27 AM   #5 (permalink)
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thanks alot guys 6466 gen 2 with 0.84 a/r i believe is the best way to go

also shall i convert the clutch to a push type?
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Old 20th April 2018, 11:33 AM   #6 (permalink)
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I have a push type but had to replace the housing as I don't have the conversion kit, check with your mechanic - I prefer the push. Also note that 260 10.25 is a pro cam not pon, you will need to work in the head if you go pro, my advice stick with 260 9.15 poncams or 264 8.7/ 272 8.7 HKS step 1 cams (sound is good).. These cams are good up to 700w IMO.
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