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Rocker Shafts Won't Install
What should you do if a rocker shaft doesn't want to install into the camshaft housing?
9 of mine went in without much effort. 3 do not want to go in, even with some persuasion from a plastic hammer. I actually broke the edge of one of the shafts in the process of trying to tap it in. Never even got far enough to insert the rocker arm. The bolt / nut were loose in the shaft. The cam housing was refurbished by a well know machine shop. I assume sanding the opening or the rocker is a no go, or risk leaks. The only other thing I can think of is freezing the shafts? |
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10-19-2024, 08:12 PM
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PCA Member since 1988
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They should slide in. Make damn are the bores do not have junk or corrosion. Sanding is okay, just use a fine sandpaper.
__________________
1973.5 911T with RoW 1980 SC CIS stroked to 3.2, 10:1 Mahle Sport p/c's, TBC exhaust ports, M1 cams, SSI's. RSR bushings & adj spring plates, Koni Sports, 21/26mm T-bars, stock swaybars, 16x7 Fuchs w Michelin Pilot Sport A/S 3+, 205/55-16 at all 4 corners. Cars are for driving. If you want art, get something you can hang on the wall! |
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10-20-2024, 01:07 AM
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Registered
Join Date: Oct 2008
Location: Nash County, NC.
Posts: 8,553
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If the rocker shaft is cracked on the end from over tightening it will not go into the carrier.
Bruce |
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10-20-2024, 05:11 AM
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The 9 Store
Join Date: Dec 2009
Location: Wilmington, DE
Posts: 5,420
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Start measuring to see where the problem is. It’s pretty much the same for every engine part. Don’t assume just because it’s new or refurbished that’s it’s correct.
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All used parts sold as is. |
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10-20-2024, 05:22 AM
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Join Date: Dec 2014
Posts: 14,010
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Shaft ends are probably deformed, measure them.
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We are dominated by the relatively small number of persons who understand the mental processes and social patterns of the masses. It is they who pull the wires which control the public mind. |
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11-10-2024, 05:15 AM
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| Tags |
| rocker shaft installation , rocker shafts |
