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Largest pushrod diameter in stock holes ?

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Old Oct 6, 2007 | 09:34 PM
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Default Largest pushrod diameter in stock holes ?

I want to order a custom set from Trend . 3/8'' diameter, .135'' wall thickness, 7.425'' length

Will these work without machine work ? For reference a normal performance Gen 3 pushrod is 5/16'' diameter , .080'' wall thickness .

Have #241 castings if makes a difference .
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Old Oct 7, 2007 | 11:49 AM
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You might run into problems, the rockers you use can also cause problems.
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Old Oct 7, 2007 | 08:29 PM
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Ends can be tapered to 5/16'' . Just wondering if the pushrod holes in the stock heads will allow for a 3/8'' diameter pushrod without machine work ?

Setup

LG Motorsports X3 234/242 @.050 .598''/.610'' 112lsa+4
PAC - 1518 0.650" Nitrided Beehive springs
Texas Speed / PRC Titainuim retainers
Yella Terra Ultra-lite rockers 1.7
LS2 timing set
Melling oil pump
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