Ive bolted the 351M to my 4speed and the motor mounts on the frame dont match from my 300 and the motor is hitting the throttle cable on the fire wall i was going make new mounts on the frame till I found the problem on the fire wall My question is do I need to move the tranny foward to cleare because it is still bolted in the original location.Thanks for any help !!!
79 f-250 300 swap to 351M
Started by
awhale
, Feb 18 2008 09:13 AM
7 replies to this topic
#2
Big White Bus
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Posted 26 February 2008 - 06:31 PM
some trans crossmembers will bolt in front or back try turning th crossmember sround see if that don"t move you twords the frontseveral "s.Ive bolted the 351M to my 4speed and the motor mounts on the frame dont match from my 300 and the motor is hitting the throttle cable on the fire wall i was going make new mounts on the frame till I found the problem on the fire wall My question is do I need to move the tranny foward to cleare because it is still bolted in the original location.Thanks for any help !!!
#4
Big White Bus
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Posted 29 February 2008 - 07:41 AM
high boy is right frame mounts are different but you need to make sure the cross member in the right place and that will / should fix the firewall problem.it's the frame mounts.the 300 and v-8's have differant"towers"
Edited by Big White Bus, 29 February 2008 - 06:53 PM.
#6
Big White Bus
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Posted 03 March 2008 - 07:42 PM
I dont really know on a haft ton but on a 3/4ton it doesnt efect much at all other than the motor mount dont line up. I have seen this first hand. Well I take that back im dealing with auto not standard trans. It will block off more pan bolts auto sandard just dont know.the 300 frame mounts are closer together and up a little higher.thee cross member is kinda hard to get wrong.you may start out wrong but before you get far things won't fit.
#7
highboy73
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Posted 04 March 2008 - 03:40 PM
the cross member has alot of parts to be all together.if you put one thing on wrong you won't get all the other parts on.I have found out thru trail and error.same with the mounts.they just bolt in.go to a bone yard.
#8
Big White Bus
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Posted 05 March 2008 - 03:09 PM
This thread has went about 2 post to many your right I'm wrong end of thread on my part!the cross member has alot of parts to be all together.if you put one thing on wrong you won't get all the other parts on.I have found out thru trail and error.same with the mounts.they just bolt in.go to a bone yard.
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