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258 in place of V-8 |
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amxron
AMC Nut Joined: Nov/18/2011 Status: Offline Points: 295 |
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Posted: Nov/26/2014 at 10:36pm |
Have a 70 Hornet w/v-8 crossmember.
Would like to drop a 258 in while rebuilding V-8 Has anyone made mounts for this ? Don't want to change crossmember for this temporary swap. Thanks, Ron.
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AMXron
Fleet/Jeep Mgr. Orbit AMC/Jeep 50-1787 |
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74gremx
AMC Addicted Joined: Jan/18/2009 Location: Adelaide, Aust Status: Offline Points: 949 |
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You might have no choice
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1970 Javelin 360/727
1974 Levis Gremlin X 304/904 1964 American Convertible 1974 Matador wagon (parts) 2016 Holden Cruze Equipe 2014 Holden Colorado "Don't mistake activity for achievement". |
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purple72Gremlin
AMC Addicted Charter Member Joined: Jul/01/2007 Location: Illinois Status: Offline Points: 16591 |
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why not get a cheap 304? to put the 6 in, changing everything to make it fit then change everything back? sure doesn't make sense to me
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70 Donohue 390
Supporter of TheAMCForum Joined: Jul/11/2007 Location: S. Oregon Status: Offline Points: 4338 |
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A cheap 6 cyl cross member has to be out there somewhere. Put up a post in the wanted section.
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67 Rogue 290 Convert
70 BBO 390 5 Speed Javelin-under construction |
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purple72Gremlin
AMC Addicted Charter Member Joined: Jul/01/2007 Location: Illinois Status: Offline Points: 16591 |
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amxron
AMC Nut Joined: Nov/18/2011 Status: Offline Points: 295 |
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Don't want to swap cm's again. I can fab something.
Just wondering if anyone had done this before. Guess nobody has. I put a 390/4sp/ AMC-20 in it 42 yrs ago. Thanks, Ron. |
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AMXron
Fleet/Jeep Mgr. Orbit AMC/Jeep 50-1787 |
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FuzzFace2
AMC Addicted Joined: Jul/05/2007 Location: Angier, N.C. Status: Offline Points: 10343 |
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After the CM you then have to deal with wiring. You going to cut the v8 one to work with the 6?
Then you have the fuel line comes in on different sides between the 2. Do you have a 6 carb cable as I think the v8 will be to short. So it is not just the CM. Dave ---- |
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TSM = Technical Service Manual
75 Gremlin X v8 for sale 70 Javelin 360/auto drag car 70 Javelin 360/T5 Street car |
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toolmanxiii
AMC Addicted Joined: Oct/16/2010 Location: Moncton Canada Status: Offline Points: 1384 |
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drill a 3rd hole for the single stud 6 cyl mount . worked for me ... 232 into a 74 304 Jeep CJ ... still going after 12 years .
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71 360 Hornet sst 83 2wd 360/727 Eagle wagon (crashed)
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tomj
AMC Addicted Joined: Jan/27/2010 Location: earth Status: Offline Points: 7522 |
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i ran an 82 258 in a 70 hornet with just the later x-member and the mount brackets from the later motor. the stamped sheet metal mount adapters are different, they look similar but side by side they shift the motor front or rear, i can't remember.
when i put a 1970 232 into a 63 classic i had a similar issue; i drilled a new hole in the x-member mount support to shift the motor fore or aft. i may have done that on the 70 hornet, i forget. but it was just mount issues. save every bracket you ever find! and every water pump/fan pulley!! |
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1960 Rambler Super two-door wagon, OHV auto
1961 Roadster American, 195.6 OHV, T5 http://www.ramblerLore.com |
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amxron
AMC Nut Joined: Nov/18/2011 Status: Offline Points: 295 |
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Thought it would be fairly easy.
When I converted to V-8 I used a 70 Rebel Machine wiring harness from the firewall forward, switched the battery and solonoid to the pass side. V-8 accel cable and radiator. I can make up some extensions for the wiring. Think I still have the 6 accel cable. Got a couple of aftermarket headers for Jeep to try. Thanks everyone, Ron.
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AMXron
Fleet/Jeep Mgr. Orbit AMC/Jeep 50-1787 |
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