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Farmall & IHC Tractors Discussion Board

Re: 1988 Case 7120 - excessive blow by


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Posted by tanman_2006 on March 09, 2013 at 22:50:04 from (198.46.29.143):

In Reply to: 1988 Case 7120 - excessive blow by posted by hours - 10,500 on March 09, 2013 at 12:38:33:

Quoting Removed, click Modern View to see

My 8920 has 6K and some blowby and uses a little oil ~1 gallon in 2-3 days working hard. Head shop guy told me the engine is in great shape and just needs valves reset, did that. Sent injectors in for a rebuild (to a performance shop) got a little bit of a power boost on them, added fuel and a better set of wheels on the turbo. Next I bent the shaft on the 250 hp pto dyno and before I was pushing ~180-190hp.

These tractors can do some serious work when built right but are a solid work horse out of the box. I dont recommend adding alot of fuel with out a better flowing turbo for lower egt's. My egt's are actually slightly lower that before the valve job and 180-190hp dyno. I have mechanical gauges for EGT, boost, oil pres, coolant temp, oil temp, and fuel pressure (very informative, the bar gauges are junk imo)


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