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Updateing/Upgrading a 1965 F-700

  #1  
Old 05-22-2004, 06:17 PM
Thread Starter
Join Date: May 2004
Location: United States
Posts: 23
Default Updateing/Upgrading a 1965 F-700



JSM again<IMG src=smileys/smiley16.gif border="0"></P>


I have Got a 1965 Ford F-700:</P>


240-I6,4spd trans,2spd rear,with 8.25-20's.</P>


I'd like to swap in the 5.9L turbo diesel from a dodge...But with the 2 spd rear end i'm thinking i might be better off with a 300-I6 with a 5spd OD tran's...</P>


my worrie is with the Cummin's is if i shift 1-4 in low then 1-5 in high i might end up logging the cummin's witch would not be good..</P>


But the 300-I6 with a cam upgrade,higher compression ratiothe big 2bbl carb Might kick a good bit of power as well and be able to handle shifting 1-4 in low and 1-5 in high as if i looged it a bit it wouldn't blow a head gasket??</P>


Option1:300-I6 gas engine,5spd OD trans,2spd rea,with 9.00-20's.</P>


option 2: 5.9l turbo diesel cummins,5spd trans,2spd rear,with 11.00-20's.</P>


</P>


</P>
 
  #2  
Old 07-03-2004, 02:33 PM
Join Date: Jul 2004
Location: United States
Posts: 1
Default Updateing/Upgrading a 1965 F-700

The 300 is merely a 240 with a longer stroke. They are exactly the same on the outside. Therefore, the easiest option is to bolt up a 300 to your existing tranny. I would tend to stay with your current tranny for ease of installation and I think it is likely much stronger than a later model 5 spd, especially if the 5 spd comes from a pickup. I would replace the front and rear seals in the tranny, whether they are leaking or not, because it won't be much extra work or money to change them now. The 300 will give you a lot more low end torque than the 240 due to the much longer stroke, which is what you need in a F700. By the way, some guys will put their 240 head on their 300's to raise the compression ratio. However, that requires using higher octane gas.
 
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