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35.5 X 33mm valves in a Mexican cylinder head?
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Alexmobil
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Joined: November 28, 2010
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Location: El Salvador
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PostPosted: Sun Mar 11, 2012 8:32 am    Post subject: 35.5 X 33mm valves in a Mexican cylinder head? Reply with quote

Can I install a set of 35.5mm(intake) X 33mm(exhaust) valves in a mexican head (043 101 375 ) for a 1600cc stock beatle? Could improve the flow in the head? or I could ruin it? The mexican head has 33 X30 valves.
Thanks in advance.

Alex
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mark tucker
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PostPosted: Sun Mar 11, 2012 9:21 am    Post subject: Reply with quote

probably.check the od of the seats.if done with the proper raidi valve job it will up the velosity&flow.you may need to unshroud the valves in the chamber too.
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ALB
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PostPosted: Sun Mar 11, 2012 9:22 am    Post subject: Reply with quote

You could, but what are the ports cast like? do you have a 35x32 dual port head to compare them to? Will you be installing larger seats?
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Alexmobil
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PostPosted: Sun Mar 11, 2012 11:16 am    Post subject: Reply with quote

thanks for the answers.
I will install larger seats since the valves are bigger.

Yes, I have a 35 x32 valve to compare the ports Ill post the pics ASAP
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modok
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PostPosted: Sun Mar 11, 2012 11:16 am    Post subject: Reply with quote

no, the seats are too small
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