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Dark Knight · 04-27-2003, 05:32 AM

BTW, the 260 bore is 3.80..
if you have the heads off, you can also measure the intake valve..
the 260 has a 1.67 intake valve, the 289 has a 1.78 valve..

04-27-2003, 05:32 AM	#19
Dark Knight Registered Member Join Date: Oct 1998 Location: Az Posts: 854	BTW, the 260 bore is 3.80.. if you have the heads off, you can also measure the intake valve.. the 260 has a 1.67 intake valve, the 289 has a 1.78 valve.. __________________ 84 convt,roller 302,AFR's, performer 3.55's, underdrives BBK shorties stock cam, 1.7's 13.58@102.84 and a '68 stang .. project 8 sec street car... 557 big block + N20 :-) http://members.cox.net/darkknight302/68nwrear.jpg