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| | | | Joined: Aug 2007 Posts: 55 New Guy | | New Guy Joined: Aug 2007 Posts: 55 | I'm in the process of re-doing a 235. While attempting to remove the lifters, I get them up about 3/8 of an inch, when I rotate the motor on the motor stand, with the rockers facing the floor, all the lifter drop evenly the same 3/8". Am I correct in assuming that the cam shaft must be removed and the lifters drop down towards the pan to be removed? Can the solid lifters be replaced w/hydraulic ones? If so,does the camshaft need to be changed? | | | | | Joined: Dec 2005 Posts: 547 'Bolter | | 'Bolter Joined: Dec 2005 Posts: 547 | If you want hydraulic lifters you must get a hydraulic cam to go with it.
58' 3200 235 3-speed/OD
| | | | | Joined: Aug 2007 Posts: 55 New Guy | | New Guy Joined: Aug 2007 Posts: 55 | I thought that might be the case, any thoughts on the lifter removal? | | | | | Joined: Dec 2006 Posts: 1,464 Shop Shark | | Shop Shark Joined: Dec 2006 Posts: 1,464 | Only the later 235 blocks (I think around '58 or so) were ALL drilled for hydraulics. Before that only the powerglide equipped blocks were. If you have an earlier block that came with solid lifters, hydraulics won't work. | | | | | Joined: Jul 2004 Posts: 5,708 'Bolter | | 'Bolter Joined: Jul 2004 Posts: 5,708 | tools94,
The lifters come out through the top, they don't drop back into the pan. There is a ridge of crud/gunk that has accumulated where the lifter doesn't slide in the bore. You must grab the lifter with pliers or something and scrape the junk off as you pull the lifter up and out!
Stuart | | | | | Joined: Aug 2007 Posts: 55 New Guy | | New Guy Joined: Aug 2007 Posts: 55 | | | | | | Joined: Feb 2009 Posts: 35 Apprentice | | Apprentice Joined: Feb 2009 Posts: 35 | i spray carb cleaner around the lifters it softens the crud. then i clamp a hose clamp around the lifter and pry under it to pop them out. there is also a slide hammer tool made to remove them. i think it is k.d. | | | | | Joined: Feb 2004 Posts: 29,755 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,755 | It's possible the lifter is worn/mushroomed enough on the bottom to make it difficult to remove. If so, both cam and lifters should be replaced. A good lifter will have a slight convex shape on the bottom where it rides the cam, taller in the middle than the edges. This, plus the lifter riding slightly off-center on the cam lobe causes it to spin as it lifts, equalizing the wear pattern. Flat-bottomed or cupped-out lifters are worn out. Check the bottoms with a straightedge like a machinist's 6-inch rule.
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
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| | | | | Joined: Aug 2007 Posts: 55 New Guy | | New Guy Joined: Aug 2007 Posts: 55 | That's exactly what I found and new parts are on order, Thanks to all, They were a bit of a struggle to remove, but the trick with the hose clamp works great. thanks again!!! | | | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | That hose clamp is a good idea. It is possible to mark up the sides of the lifters with vice grips! | | |
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