F22C1 at 9000rpm?
08-29-2006, 02:52 PM
#41
Banned
I can't understand why someone would go through all that work just to make an f22 do what an f20 already does.
Is there some sort of advantage that an f22 has over an f20 when it is able to rev to 9k?
Is there some sort of advantage that an f22 has over an f20 when it is able to rev to 9k?
08-29-2006, 03:10 PM
#42
Originally Posted by st4rk,Aug 29 2006, 04:52 PM
I can't understand why someone would go through all that work just to make an f22 do what an f20 already does.
Is there some sort of advantage that an f22 has over an f20 when it is able to rev to 9k?
Is there some sort of advantage that an f22 has over an f20 when it is able to rev to 9k?
08-29-2006, 05:14 PM
#43
The pin is probably no the issue since the piston should be the same weight. A switch to billet Ti rods, short pins, and a small compression height lightweight piston should work for the bottom end.
Someone indicated the stock retainer may have an issue. If the valvetrain is an issue, some parts may need to be replaced. However, a DOHC 4-valve, even with rockers instead of direct action, should be able to handle over 9000. There are numerous BMWs (M3, M5) and Porsches (GT3) that rev in that range. or close to it.
Someone indicated the stock retainer may have an issue. If the valvetrain is an issue, some parts may need to be replaced. However, a DOHC 4-valve, even with rockers instead of direct action, should be able to handle over 9000. There are numerous BMWs (M3, M5) and Porsches (GT3) that rev in that range. or close to it.
08-29-2006, 05:30 PM
#44
Originally Posted by DavidNJ,Aug 29 2006, 07:14 PM
The pin is probably no the issue since the piston should be the same weight. A switch to billet Ti rods, short pins, and a small compression height lightweight piston should work for the bottom end.
Someone indicated the stock retainer may have an issue. If the valvetrain is an issue, some parts may need to be replaced. However, a DOHC 4-valve, even with rockers instead of direct action, should be able to handle over 9000. There are numerous BMWs (M3, M5) and Porsches (GT3) that rev in that range. or close to it.
Someone indicated the stock retainer may have an issue. If the valvetrain is an issue, some parts may need to be replaced. However, a DOHC 4-valve, even with rockers instead of direct action, should be able to handle over 9000. There are numerous BMWs (M3, M5) and Porsches (GT3) that rev in that range. or close to it.
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