[Rovernet] 3.5 to 3.9?

GeffMcCarthy geffandjulie at comcast.net
Mon Mar 7 23:00:59 EST 2016


Yes I have asked and saved messages....but have dithered re decision, owing
to major faults of other 3 Rovers...!

AvMedSafe
Geoffrey W. McCarthy MD MBA DipAvMed
677 NW Melinda Ave Portland OR USA 97210
503-241-8468(h) 503-799-3809 (mobile)


-----Original Message-----
From: Rovernet [mailto:rovernet-bounces at rovernet.org] On Behalf Of Kent
Kinard via Rovernet
Sent: Monday, March 07, 2016 5:32 PM
To: Rovernet <rovernet at rovernet.org>
Cc: Kent Kinard <kkinard at att.net>
Subject: Re: [Rovernet] 3.5 to 3.9?

GeffMcCarthy via Rovernet wrote:
> I saw that advert for the Vitesse plenum in the SD1 magazine.  Too bad
that they are so rare.  Maybe we could "print" one!!
> I think you said that the RR plenum is more free flowing than the standard
SD1, no?  thanks again Dermot!
Although the Vitesse (and Twin Plenum) both use the 4CU system, the
computers are internally different.  Vitesse and Twin Plenum were never
fitted with cats.
The RR plenum for '87-'95 Classics is the same casting as the Vitesse.  
If you have smog inspection, the RR plenum would not technically pass a
"visual inspection."  If you are looking for something that will just pass a
sniffer test, you are better off using the RR 14CUX system and three way
cats...power potential is easily 240HP for a 3.9.  14CUX is much more
tolerant of cam changes.  If you want a 14CUX system or just the plenum, I
can supply either.

Haven't we had this discussion before?

Roverly,
Kent K.

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