7000 valves
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=201037
Printed Date: 01 Dec 2024 at 12:31am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: 7000 valves
Posted By: Glen S.C.
Subject: 7000 valves
Date Posted: 24 Apr 2024 at 9:33pm
| Does the 301s have a problem with the valves breaking the lips on the edge off? When I bought this tractor 2 cylinders had broken valves. Rebuilt the engine , new sleeves pistons , had the head done , new valves in those holes. Around 150 hrs had a valve go bad. Shop put the intake and exhaust in the wrong holes, had that fixed. Saturday night started skipping . Pulled head today #5 intake half of the lip gone #4 intake cracked . Not sure the hrs since last repair. Going to have all new valves put in this time. Tiered of doing this. THanks for any input. |
Replies:
Posted By: DrAllis
Date Posted: 24 Apr 2024 at 9:38pm
| No problems. |
Posted By: WF owner
Date Posted: 25 Apr 2024 at 5:40am
| Are your injectors bad? Bad injectors can cause combustion chamber problems. |
Posted By: victoryallis
Date Posted: 25 Apr 2024 at 9:02am
|
Our 7000 lost one once. I don’t remember it doing the damage loosing one on the 8050 did. At one point it was worked fairly hard so somewhat understandable. ------------- 8030 and 8050MFWD, 7580, 3 6080's, 160, 7060, 175, heirloom D17, Deere 8760 |
Posted By: injpumpEd
Date Posted: 25 Apr 2024 at 11:49am
|
as mentioned above, injectors faulty or installed wrong if Ambac or Bosch injectors, or inj pump timing can be off a long way. It's usually a poor state of tune that causes failures like this. ------------- 210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers! |
Posted By: Glen S.C.
Date Posted: 26 Apr 2024 at 7:14pm
| Thanks for the info . Will check all of that. Doesn't smoke. Did have some turbo trouble a while back but put a new one on . |
Posted By: Lynn Marshall
Date Posted: 26 Apr 2024 at 7:28pm
  They're not all impervious.
|
Posted By: Glen S.C.
Date Posted: 27 Apr 2024 at 7:48pm
| That's pretty bad |