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Old 04-20-2011, 06:20 PM   post #1 of 5
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Default briggs push rod Steal or Aluminum

Hello everyone

Recently got a Briggs that has a broken push rod, I bought a new one 691758 which is aluminum, On the Briggs website, it states the aluminum is for exhaust. Many Google searches says opposite. I would think aluminum is for the intake, can someone guide me in the right direction.This is a OHV Vtwin.
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Old 04-20-2011, 07:26 PM   post #2 of 5
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Default Re: briggs push rod Steal or Aluminum

Not sure about your Briggs, but both of mine.
Models, 422437 1209 01, and 42A707 1238 01
have steel push rods
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Old 04-20-2011, 09:13 PM   post #3 of 5
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Default Re: briggs push rod Steal or Aluminum

On B&S Intek and Vangard, intake p-rod is steel, exhaust is aluminum.
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Old 04-20-2011, 10:38 PM   post #4 of 5
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Default Re: briggs push rod Steal or Aluminum

[QUOTE=kcraig51;1673478]On B&S Intek and Vangard, intake p-rod is steel, exhaust is aluminum.[/QUOTE

First off, 42 series B&S engines do not have push rods. Second, B&S Intek OHV engines AND single cylinder B&S OHV Vanguards use aluminum push rods on Intake Valve. Vanguard V Twins use aluminum push rod on EXHAUST valve.

Where the aluminum push rod is used depends on WHICH valve is involved in compression release.

Walt Conner
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Old 08-03-2015, 11:51 AM   post #5 of 5
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Default Re: briggs push rod Steal or Aluminum

[quote=Walt 2002;1673673]
Quote:
Originally Posted by kcraig51 View Post
On B&S Intek and Vangard, intake p-rod is steel, exhaust is aluminum.[/QUOTE

First off, 42 series B&S engines do not have push rods. Second, B&S Intek OHV engines AND single cylinder B&S OHV Vanguards use aluminum push rods on Intake Valve. Vanguard V Twins use aluminum push rod on EXHAUST valve.

Where the aluminum push rod is used depends on WHICH valve is involved in compression release.

Walt Conner
Walt:

Are you sure you are correct for Intek motors? I have a 20hp B&S Intek 406577-0139-E1 and it appears that the exhaust valve (lower) is the one that uses the aluminum push rod.

EDIT: I am throughly confused, although on the exploded parts diagram it shows the lower, exhaust valve pushrod as aluminum, I pulled off the right valve cover and the upper intake pushrod was aluminum like Walt states above. The ones on the left cylinder fell out, so I am not sure how they were arranged.

Chris
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Last edited by *chris*; 08-03-2015 at 01:29 PM.
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