289head on 302block
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289head on 302block - 5/13/2008 10:10:20 AM
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FivePointOhh
Posts: 2655
Joined: 1/24/2007
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i just heard about a guy near me running a 289 head on his 302, cam, intake, other minor bolt ons and dynoing N/A at 290hp.
i guess it works really well doing this because of the small combustion chamber upping the compression. can you still run nitrous on high compression? anyone experiance or know anyone running this set up or have any input on it?? im just curious of the efficiency of it.
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RE: 289head on 302block - 5/13/2008 10:22:46 AM
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Joel5.0
Posts: 2786
Joined: 1/9/2006
From: Puerto Rico
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That's the old-school setup I've had for years. Nitrous and compression get along very well, not that I use it though.
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1986 GT-X303-1.72-5Spd.
Whatever it Takes
If it Ain''t a Ford, why bother
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RE: 289head on 302block - 5/13/2008 11:40:21 AM
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Joel5.0
Posts: 2786
Joined: 1/9/2006
From: Puerto Rico
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Haven't calculated CR, but after 16 yrs. of use/abuse, it still pumps 200-205 psi in a cylinder compression test. One little detail you have to check/look out for, is the match-up of the head-to-EFI intake coolant ports........ 289 ports are smaller, in my case I have a carburetor, so no problem there. Another detail is the possible problem installing the corner HR lifters with the heads installed...... Best 289 heads?..... HiPo style with small chamber, guide plates, adjustable roller studs.
_____________________________
1986 GT-X303-1.72-5Spd.
Whatever it Takes
If it Ain''t a Ford, why bother
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