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04-13-2022, 08:52 PM
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#1 |
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Registered User
Join Date: Mar 2022
Location: Havelock
Posts: 6
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Re: 67 283 keeps bending pushrod
Hey guys thanks for all the input, turns out the valve was worn on a angle I guess due to a loose rocker? Wore over time ? Enough to make it slip off eventually . Had a couple options grind the valve stem flat again or slap on a newer vortec 350 style rocker with guides on either side… it’s a 289, not planning on breaking any land speed records. We will see how it holds up. Down the road it may be due for an overhaul, 61 000 original miles and it’s just a Sunday driver for now , the patina looks nice , I installed a tach, temp and oil pressure sensor
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04-13-2022, 08:55 PM
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#2 |
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Registered User
Join Date: Mar 2022
Location: Havelock
Posts: 6
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Re: 67 283 keeps bending pushrod
Should be a couple pictures
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04-14-2022, 01:37 PM
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#3 | |
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Registered User
Join Date: May 2016
Location: Oklahoma
Posts: 189
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Re: 67 283 keeps bending pushrod
Quote:
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1971 C20 Custom Deluxe, HT383, 4L80E, 3.73 Locker, 4 Wheel Discs |
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04-14-2022, 03:29 PM
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#4 |
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Registered User
Join Date: Jul 2008
Location: Eastern Oregon
Posts: 2,287
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Re: 67 283 keeps bending pushrod
Can’t help with the rocker issue but I love your color and the 3 on the tree ! I miss my 68 GMC with it…
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71 C-20 07 Magnum RT AWD |
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04-14-2022, 05:25 PM
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#5 |
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70+ ( Old Skool Club )
 
Join Date: Nov 2003
Location: Saskatoon, Saskatchewan ,Canada
Posts: 9,094
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Re: 67 283 keeps bending pushrod
Welcome to the Boards. Nice truck and looks vaguely familiar. Sorry for the valve grief so soon.
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1972 C10 Custom/Deluxe 613 Highlander 406/700R4 1999 White Tahoe LS 4x2 with Z56 Police Package 1992 K1500 GMC Suburban Members I have personally met: MusicMan70 - HeavyD - ChewyChevy67 - StingRay -71SWB4x4 - 67 Burb - DeadheadNM - too much stuff - bc65 - das601 " Circumsatances Do Not Change Responsibility " " The Sky is not the Limit, Your Mind is." Marilyn Monroe .. RIP Charlie Watts 1941 - 2021 |
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04-18-2022, 03:48 PM
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#6 |
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Registered User
Join Date: Apr 2016
Location: Kirkland,WA
Posts: 62
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Re: 67 283 keeps bending pushrod
I had a 67 El Camino with a 327. It had 200,000 miles on it. The holes in the head that act as pushrod guides were worn and it started bending pushrods. The fix is getting steel pushrod guides like these:
https://www.amazon.com/Small-Block-C.../dp/B075NPHNPZ |
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| 283, pushrod, valve adjustment |
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