Thread: 2.7 HP mods?
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ael911 ael911 is offline
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Join Date: Dec 2005
Location: Rancho Cucamonga Ca
Posts: 361
There is a lot of information on this topic and I am sure you will be reading for days if you do a search. Be careful though as it is a very slippery slope if you start looking for hp, before you know it, you could be $10 grand deep.

According to Bruce Anderson, if you are just starting out from stock, the biggest benefit would be a set of SSI heat exchangers and a good exhaust muffler. That should give you another 15 to 20 hp if I remember correct. Carburetors should come next and ultimately S cams and some high dome pistons. With those mods you should be able to see about 220 hp and still keep it within the street driveablity level.
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'75 911S Silver Anniversary #164(Formerly JTO's)
Rebuilt 2.7 with full ARP, 9:1 CR.
SSI, GHL, ER polybronze bushings, finned oil lines.
Lowered and corner balanced. CIS retired, now PMOs!
'65 912 slate gray sunroof (driving project)
Old 04-10-2009, 10:28 AM
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