PF vs. RD (heads only) Now with content!

[MK1Scirocco16v at comcast.net (Dave Ewing)]

I've never tried to put the Digi inserts into the CIS heads but I know
getting the Digi inserts out of a Digi head is practically impossible unless
someone has some input on this.  That would be the difference between the
two heads and probably the only difference (as far as I can tell).  HTH!

Dave
----- Original Message ----- 
From: "Dan Bubb" <jdbubb@ix.netcom.com>
To: "Dan Smith" <sad_rocc@yahoo.com>; <scirocco-l@scirocco.org>
Sent: Saturday, September 06, 2003 2:39 PM
Subject: Re: PF vs. RD (heads only) Now with content!


> As far as the heads are concerned I don't believe it makes any difference.
> I believe the injector inserts from the PF head will fit in the RD head
and
> that the RD head has the threaded holes for bolting down the fuel rail. so
> you could run digi with the RD head if that was the deciding issue.
> Both heads have the same valve sizes so there isn't much to choose there
> power wise.
> OTOH there is no reason the RD head and engine wouldn't run just fine
using
> whatever CIS you now have if that made it cheaper and easier.
> So, choose whatever head is easiest now. You can go to digi anytime in the
> future with either head.
> Note: as a positive check buy an 037 133 555A injector insert and make
sure
> it will screw into the RD head if you buy the RD head and think you might
go
> to digi in the future.
> Dan
>
> ----- Original Message -----
> From: Dan Smith <sad_rocc@yahoo.com>
> To: <scirocco-l@scirocco.org>
> Sent: Saturday, September 06, 2003 4:39 PM
> Subject: PF vs. RD (heads only) Now with content!
>
>
> > Accidently hit enter on the last email which sent it off. Anyways, I
> change my mind all the time and so now, after this whole thread on the RD
> digi/not digi thing I may change my mind again. I'm trying to decide
> wheither I want the PF or the RD head for my swap. It will most likely
being
> going on a 1.8L bored to a 2L. Originally was an RD block, but has custom
> pistons and stuff so I don't think it matters.
> >
> > The PF is digi, which is cool because then I can chip it and it's kind
of
> unique. Plus it opens up the possibilities of boost later on. Also, the PF
> motor puts out slightly more HP than the RD but I don't know if this is
due
> to the head or bottom end. The RD is CIS-E, which would still require some
> rewiring, although not as much I don't think as I have CIS now. It would
> also be considerably cheaper. So, opinions? Should I take the leap to digi
> and possibly squeek out a couple more HP or is it just not worth it and I
> should stick with the local, cheap RD head?
> >
> > TIA,
> > Dan
> >
> >
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