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1967 - 1972 F-100 & Larger F-Series Trucks Discuss the Bumpsides Ford Truck

roller rockers

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Old Sep 20, 2011 | 11:06 PM
  #1  
trainguy1973's Avatar
trainguy1973
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From: Dunlap Ca.
roller rockers

OK all you gear heads, I need your opinions and experence. I am in the process of building up a 1970 F250 Camper Special,Just had the motor machine work and I'm starting to assemble this puppy.
I was considering adding roller rockers with the intent of letting the motor make horsepowe easier. I'm not looking to get more HP just thinking of a couple of mods that might make the MPG go up a bit,So If you know of this sort of modification let me hear from you.
Thanks in advance
 
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Old Sep 20, 2011 | 11:08 PM
  #2  
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elgemcdlf
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From: Alton, MO
Don't know about mpg but you can pick up hp by going from a 1:5 to a 1:7
 
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Old Sep 21, 2011 | 09:47 PM
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nevrenufhp
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From: Sacramento
In my running of them, you get reduced friction, and possibly a couple hp if you use the same ratio as stock. If I had the cash, I'd run em on everything I owned. Todays oils dont lube like the old stuff, so sled style rockers could wear out sooner than normal. Now you have an excuse to get some.
 
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Old Sep 22, 2011 | 02:58 PM
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trainguy1973
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From: Dunlap Ca.
That's what I'm thinking. According to the rebuild book I have the ratio is 1.7 point something on wet lifters so the question I would ask you is. Do you know of anyplace that sell rollers with the stock ratio?
Thanks for the reply
Randy Jones
 
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Old Sep 22, 2011 | 03:19 PM
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gfw1985
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Joined: Mar 2008
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From: Raphine, Virginia
Check Crane for them. I know the Bronco I just sold had them on the 302 that was in it. Nothing expensive, just stamped roller rockers, not billet.
 
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