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 Post subject: Broken Rocker Arms
PostPosted: Sun Jul 17, 2011 11:10 am 
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Resident Gearhead
Resident Gearhead
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Joined: Mon May 19, 2008 10:30 pm
Posts: 8781
Location: Grand Rapids, Michigan
Year and Trim: 2014 Cadillac XTS Vsport.
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bobsteinbrink wrote:
1961 bonneville broke two in two days,intakes.no stuck valves, no springs tuching.oiling good. Aney info will be app. Bob


bobsteinbrink wrote:
No mods.No hi rpm. Rockers are dark gray, replacements are lighter color. Engin runs smothe, cant think timing would be a prob.Onley coment i've had is that thair old!!
At this point it's replace all. I'am not sold on that

Thanks Bob.

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 Post subject: Re: Broken Rocker Arms
PostPosted: Sun Jul 17, 2011 3:06 pm 
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Certified Bonneville Nut
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Joined: Tue May 04, 2010 11:21 pm
Posts: 3975
Location: Lone Star State
Year and Trim: 2017 Hyundai Santa Fe Sport
I don't know what the design is on the Pontiac is, but that use to be a "common" problem on Chevy's because of the design. There was an aftermarket fix for the Chevy's. - BC

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In Memory of Brad - 1/21/1977 .. 10/23/2013 ...... Aaron - 1977 .. 2017 .....
2017 Hyundai Santa Fe Sport ..... 1992 Bonneville SSE 1SB 170 HP L27 4T60E retired/sold to MattStrike ..... 2005 Bonneville SE 1SC 205 HP L36 4T65E - retired/salvage yard ..... PBCF user 2321


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