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73 Hitachi Carb - Will it replace a 78 with no issues?

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78inIowa

Post subject: 73 Hitachi Carb - Will it replace a 78 with no issues?

Posted: Tue Nov 07, 2006 3:46 pm

Member

Joined: Thu Aug 04, 2005 6:05 pm
Posts: 26
Location: Iowa

My son's 78 Luv has carb problems (Hitachi 2 bbl) and rather than rebuild it this week we thought about replacing it with a rebuilt 73 Luv Hitachi we found. Will this be a direct replacement with all the wiring plugs, etc.. the same or will we have to do some modifications? Any advice would be appreciated. Thanks!

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Blue Meanie

Post subject:

Posted: Tue Nov 07, 2006 4:32 pm

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Joined: Fri Aug 02, 2002 9:20 pm
Posts: 2013
Location: Copperas Cove, Texas

According to the .pdf files in the information section, the electrical connections are the same. Any bracket, linkage and plumbing differences should be minimal (if any).

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egg

Post subject:

Posted: Tue Nov 07, 2006 8:13 pm

LUVTruck.com Lifer

Joined: Sun May 15, 2005 4:57 pm
Posts: 680
Location: Cornelius Ore

It resides on the opposite side of the engine, and has a manual choke I believe. Other than that it is probably the same. Going from memory here.

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rodeobob

Post subject:

Posted: Wed Nov 08, 2006 12:31 am

LUVTruck.com Lifer

Joined: Wed Aug 31, 2005 12:34 pm
Posts: 799
Location: Melbourne, Australia

Being from the wrong side of the motor could cause fuel starvation issues. Would depend how you drove it.

If you put the carb on that side will the linkages be on the wrong side of the carb???

Id also say the crossflow motor would be jetted differently.

Theres no harm in tryin it out. I would get it exhaust gas analysed on a tune up machine just to be on the safe side.

Bob.

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