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zenith carb BIG


 
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560gaspuller
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PostPosted: Sat Feb 02, 2013 7:20 pm    Post subject: zenith carb BIG Reply to specific post Reply with quote

i just got a HUGE zenith carb, it looks like a reg. carb off like a 460 but its HUGE. the choke end is 2 13/16ths ID. the other hole is 1 13/16th ID. it needs some work but looks to be all here. the tag numbers are 5613 , then s915. both on same tag , i would post pictures but site says i cant yet, could you guys tell me where i could get this rebuildt, or get parts for it?. also. would this be overkill for a 301 CI, with asilverdiamond head on it? Will turn alot of RPMS if i cn use this carb, thanks
 
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ss409
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PostPosted: Sun Feb 03, 2013 4:00 pm    Post subject: Re: zenith carb BIG Reply to specific post Reply with quote

with a tube intake n header, some good cyl head work, steel flywheel n blanket. The old pickups redlined around 4000 rpm, I think around 135 hp for a 3.5625 bore x 4.39 stroke with tilt valved cyl head. You want 301 firecraters with truck head n high rpm. A governor off of a 544IH with the C-200 4cyl gas engine will help it rev up over 3000 with very little alteration. You get a steel flyhweel n a blanket soon.
 
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pullinforfun
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PostPosted: Sun Feb 03, 2013 7:05 pm    Post subject: Re: zenith carb BIG Reply to specific post Reply with quote

where could i get a header,steel flywheel and blanket? thanks
 
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ss409
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PostPosted: Mon Feb 04, 2013 6:20 am    Post subject: Re: zenith carb BIG Reply to specific post Reply with quote

Personally, Id turbo charge it. for now, keep the rpm down to 2200 for now, till you get to know more about your 560. Theres alot you can do for now to help it make better power, and pull better. Find someone experienced in porting that truck head just right, totally overhaul your ignition, think elect fan on radiator, find a 460 lower bolster n some 5.50x15 tri ribs on the front. Id even consider building a custom built upper bolster n go crazy on the design. can lose a good 300lbs off the front n help balance easier. Yrs ago, we had a 560 diesel, and a 656 bored out to a 301 n farmed with em. Both were alot of fun to operate with common sense. The 656 was fun liteweight that when the throttle was cracked, the new engine would rev right up and it didnt pull down. Pulled out a IH 403 combine many times with that 560d n 656g trying to combine last 20 acres of corn in some soft ground. The 560 diesel wasnt a slouch, it was an old cement puller before we got it. Hopped up 282, used to have a turbo on it. The ol timer had alot of work done to the engine, injectors, pump, glow plugs, and it would start in 0 weather with the glow plugs cycled a few times. lol. wish we had a video of us pullin out that stuck 403. lol real tractor pullin there!
 
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