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#2571952 - 04/23/08 03:12 PM Valve Size Help!
CSPCRX Offline
Jr Member


Registered: 08/09/01
Posts: 390
Loc: Peoria, AZ. USA
Putting parts together for my new motor and I am stuck on which valves, stock or 0.5 oversized. My concern is the piston clearance. Heres the specs
ITR Head
B18C block
ITR crank and rods
CTR pistons
S2S2 cams, springs and retainers

My concern is whether the cutouts in the pistons are large enough for the oversized valves. Anyone running this setup already?
_________________________
Vic
86 CRX SI (B16 Powered)
(SM2 Solo2, HPDE-3 NASA & TA-C Time Attack)
13.627 @ 98.36
03 Protege5
07 Harley FXST

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#2572800 - 04/23/08 06:23 PM Re: Valve Size Help! [Re: CSPCRX]
strsi Offline
Post Master Jr


Registered: 10/26/04
Posts: 1789
Loc: CA
stock, oversize dont benefit an all motor setup.
_________________________
2000 EBP Si 181.5whp, 119wtq- All Motor B16

1994 EG Hatch

2000 BMW 328ci

207 Forever- RIP

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#2575378 - 04/24/08 11:42 AM Re: Valve Size Help! [Re: strsi]
CSPCRX Offline
Jr Member


Registered: 08/09/01
Posts: 390
Loc: Peoria, AZ. USA
 Originally Posted By: strsi
stock, oversize dont benefit an all motor setup.

? Getting more air in wont help make more power? Im not following. Can you expand on this?
_________________________
Vic
86 CRX SI (B16 Powered)
(SM2 Solo2, HPDE-3 NASA & TA-C Time Attack)
13.627 @ 98.36
03 Protege5
07 Harley FXST

Top
#2575748 - 04/24/08 01:02 PM Re: Valve Size Help! [Re: CSPCRX]
strsi Offline
Post Master Jr


Registered: 10/26/04
Posts: 1789
Loc: CA
some time, some where, i read about this (when i was getting my head work done)& it was explained very well. showing flow bench results & the fact that u have to be careful with cam selection due to clearance issues. i dont have time to be searching everywhere for it though.

also alaniz, who is very reputable, did not recomend it when he did my headwork.
_________________________
2000 EBP Si 181.5whp, 119wtq- All Motor B16

1994 EG Hatch

2000 BMW 328ci

207 Forever- RIP

Top
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