ba10 to ax15 swap problem-engine wont stay running-stops abruptly - JeepForum.com
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Unread 08-08-2008, 09:27 PM   #1
saharajeepman
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1989 YJ Wrangler 
 
Join Date: Jul 2006
Location: Kingston, NY
Posts: 89
ba10 to ax15 swap problem-engine wont stay running-stops abruptly

i am doing a ba10 to ax15 swap. when i turned the key for the first time, it would only crank once or twice. i figured that the battery was dead from sitting for awhile, so i bought a new one. after i put the new one in- i got it to crank over enough to start it, but that was after about two minutes of intermittent attempts. right after i got it to start, it would immediately die. i got it to start again and tried to rev it up a couple of times, but the second i let my foot off the gas it would die again. the strangest part is that it isnt shutting off like an engine normally would - in a smooth manner. its an abrupt stop, as if something is binding up. this happens whether i have the clutch in or not. the ax15 came out of a 93. i bought a new internal slave and master for the 93 and bled the system properly. any ideas?

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'89 Sahara 4.2 258 Upstate, NY
31x10.5 BFG All Terrain, 470 cfm Holley Off-Road Avenger, Nutter Bypass,
RE 2.5, Currie Shackles front and boomerang rear
TJ front driveshaft, SYE, Tom Woods rear driveshaft, Posi-lok, AX-15 swap.
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Unread 08-08-2008, 09:33 PM   #2
Mean Max
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1991 YJ Wrangler 
 
Join Date: Jul 2007
Location: Stuart, Florida
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I would probably pull all the spark plugs out & try turning the engine over manually, with a ratchet & socket on the crank pulley. If it's really difficult to do (with the plugs out) I would think that something is binding up, as you mentioned.
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