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Jul 21st, 2025 | | | | Joined: Dec 2005 Posts: 547 'Bolter | | 'Bolter Joined: Dec 2005 Posts: 547 | 1958 235 Chevy.
I just got done doing the timing cover lower bolt conversion and then test fit it to the plate and block. I noticed that three of the bolts/screws for the cover, when tightened down will push the timing plate away from the block and will then cause a leak. I removed the cover and plate and found it to be three of the bolts, that behind them is just a small "dimple" behind the plate into the block. The bolts that actually thread into the block do not cause this issue. Has anyone else had this problem? If so what was your solution? I'm using only 1/4" bolts with one lock washer. I know I could just stack some more washers, but would like to keep it uniform. Suggestions?
Last edited by ApacheFiend; 12/05/2017 1:31 AM.
58' 3200 235 3-speed/OD
| | | | | Joined: Feb 2004 Posts: 28,674 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 28,674 | Why not just file or grind a couple of threads off the bolts that are bottoming out?
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
| | | | | Joined: Mar 2002 Posts: 9,112 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,112 | There are different lengths of bolts used on the timing cover and you need to sort that out. I can't imagine being able to bend the front plate with one of those small bolts and limited thread. There are some bolts that go right through the plate in an area where there is no block behind. If too long a bolt is used there it will give you grief later in the engine compartment. | | | | | Joined: Dec 2005 Posts: 547 'Bolter | | 'Bolter Joined: Dec 2005 Posts: 547 | @Hotrod- That should work, only issue may be safely doing so with what I have available to me.
@truckernix- From what I have seen there are only two lengths of bolts. The longer two on the bottom that go through the main cap into the cover and then eight shorter, 1/4", ones. When I tighten up the one that do not thread into the block, but just have the dimple behind the plate, they push the plate away from the block, but don't bend it permanently.
58' 3200 235 3-speed/OD
| | | | | Joined: Feb 2004 Posts: 28,674 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 28,674 | Do you have a vise and a file? Clamp the bolt head in the vise with the threads pointing up and take a few file strokes at a time off the end of the bolt until it's the right length. Time-consuming, but safe and accurate!
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
| | | | | Joined: Dec 2005 Posts: 547 'Bolter | | 'Bolter Joined: Dec 2005 Posts: 547 | That would be the safe route. I was thinking of using the grinder with the flapper wheel. But I wanna keep all my digits.
58' 3200 235 3-speed/OD
| | | | | Joined: Apr 2005 Posts: 396 Shop Shark | | Shop Shark Joined: Apr 2005 Posts: 396 | Spin a nut on the bolt, then grind away, bevel it a bit , then remove nut. Now use bolt. Its not real complicated rocket science.
Jerry
| | | | | Joined: Dec 2005 Posts: 547 'Bolter | | 'Bolter Joined: Dec 2005 Posts: 547 | I tightened up the bolts in my bench vice and ground away. Then ran my tap over them to clean them up. Work fine now without pushing the timing plate away from the block.
That bench vise was one of the best tools I every bought!
58' 3200 235 3-speed/OD
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