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Engine performance

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Old Mar 20, 2001 | 11:09 AM
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Engine performance

I have a 1990 F250 extended cab long bed w/ 351w and am in the process of rebuilding an engine. I want to upgrade the heads was thinking of World products Dart Jr. Was wondering if this would hurt my low end performance. I tow a 9000# car trailer with it and need all the torque I can get with this small block.
I've told that the windsor is so "Head" restricted that any aftermarket cylinder head(not race head) would pick-up performance, both HP and torque throughout the rpm range. I am using the stock cam and speed density.
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Old Mar 20, 2001 | 07:16 PM
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Engine performance

Have you looked into the GT-40P heads? As far as I've heard they are the best for torque building on our motors...

1995 F-150XL SC/SB
http://members.sounddomain.com/blind
5-Star Rated F-150 (Big Stereo)
 
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Old Mar 20, 2001 | 07:24 PM
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Engine performance

 
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