single ports are probably better for the 1835. The dual ports start to come
in to use at larger displacements.
Anybody have data for RPM increase after switching from single port to dual
port haeds with NO OTHER CHANGES (unlikely since at least rings and also the
new valve seats).
-----Original Message-----
From: Kevin & Valerie Smith <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Date: Sunday, May 31, 1998 7:55 AM
Subject: DFLY: VW Heads
>I have a Hapi 1835 w/ single port heads. I am looking to replace the heads
>with dual port but am confused as to which heads to buy. There are stock
>heads, 040 heads, 041 heads and 042 heads. Are stainless valves worth the
>money for my application. What heads does Steve Bennett sell (It does not
>say in his Catalogue). I'll be putting an Ellison on whichever I buy.
> The reason I'm looking to replace the single port is that I've
heard
>some stories about these heads requiring constant attention. i.e. valves at
>25 hrs.
>Kevin S.
>Dragonfly MK11H
>
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