Hey Jim ,
Besides valves and guides ,if you need them ,It is New Steel Intake
valve seats you need in these heads ,if the
stock brass ones are still in it . They need to be cut with at least 3
angles and 4 preferred ,if the replacement seat is wide enough, while
doing the valve job .
The bowl areas behind the seat need proper blending and a performance
gain will be the result .
Of course there are other areas of Head work a used U-20 head may need
in addition to the basic valve work .
This additional nec or optional work ,may need to be done after a person
that is Knowledgeable about Roadster heads , inspects and checks yours
out .
That search will need to lead you to that person . Good luck finding a
shop in AZ., since mines in Texas ,I assumed you
didn't want to ship it .
Regards,
Steve
www.risingsunperformance.com <http://www.risingsunperformance.com>
> Today's Topics:
>
> 1. U20 head work (Jim Svedise)
>
> Anyone know of a good shop between Tucson and Nogales Az. to have new
> guides
> and valve install at?
>
> Thanks in Advance,
> Jim
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