datsun-roadsters
[Top] [All Lists]

Re: engine swaps

To: "Thomas - Sweden" <csp311@telia.com>,
Subject: Re: engine swaps
From: "Fred Schroeder" <roadster@texoma.net>
Date: Tue, 21 May 2002 12:52:14 -0500
Reminds me of the old E Type Jags.  They had a penchant for hanging up in
first gear.  People used to have to beat it out of first with a hub mallet.
Been know to break a shifting fork however.

Best regards,

Fred Schroeder
'70 2000
SRL311-13359
TDROC
Home page http://home.texoma.net/~sitsinwest/

----- Original Message -----
From: "Thomas - Sweden" <csp311@telia.com>
To: "datsunmike" <datsunmike@nyc.rr.com>
Cc: "Jimmy Claypool" <srl311vg@hotmail.com>; <marcs@misresourcegroup.com>;
<datsun-roadsters@autox.team.net>
Sent: Monday, May 20, 2002 5:42 PM
Subject: Re: engine swaps


> The 5-speed gearbox used in the RX-3 and RX-4
> (maybe even RX-7) have a habit of getting stuck
> in 3:rd gear and the box must be opened up to
> get them to work again. I did that many years
> ago for a few friends but I got tired after doing
> it once or twice a week. It's the shifter fork
> linkage inside the box that cause the problem.
>
> Thomas
>
> datsunmike wrote:
>
> > Unlike regular engines that have cams that ramp up the closing of the
> > valves, rotaries have ports and the rotor opens and closes on the ports
> > without the ramp and hence the loudness of the motor. Kinda like a door
> > being slammed shut.
> >
> > Rotaries as Tom mentioned have very high exhaust temperatures and custom
> > headers and a very heavy exhaust would be required as well as a muffler
that
> > can withstand the temperatures.
> >
> > The crank center is also very high as compared to regular piston motors
and
> > the motor would have to be set lower in the frame to get the correct
> > driveshaft angles.
> >
> > Great engine when port work is done but stock they're basically dogs
except
> > for the Turbos. Horrible gas mileage also.
> >
> > Mike
> >
> > ----- Original Message -----
> > From: "Thomas - Sweden" <csp311@telia.com>
> > To: "Jimmy Claypool" <srl311vg@hotmail.com>
> > Cc: <marcs@misresourcegroup.com>; <datsun-roadsters@autox.team.net>
> > Sent: Monday, May 20, 2002 2:01 PM
> > Subject: Re: engine swaps
> >
> > > Rotary engines run hot. You would need a muffler
> > > filled with lava rocks to withstand the heat if you
> > > go racing. The non-turbo's are really loud. I think
> > > an old IMSA racing RX-7 tested 125 dB in an
> > > Road & Track magazine.
> > >
> > > Thomas
> > >
> > > Jimmy Claypool wrote:
> > >
> > > > The big issue with a rotary and especially a turbo rotary is the
> > exhaust. It
> > > > exits the passenger side and can reach in excess of 1500 degrees
maybe
> > more
> > > > with a turbo. Otherwise I would be all for it. Compact design and
easy
> > ways
> > > > to make big power. I have seen NA motors put out 250hp easy.
> > > > If you find a way to keep from melting your passenger feet to the
floor
> > let
> > > > me know. I am considering building an E mod autocrosser and would
use a
> > > > turbo rotary but theres no passenger seat in the plans so no worries
> > there.
> > > > there might be a way to make a sheild to go between the body and the
> > > > exhaust???  Just a thought
> > > >
> > > > Jimmy
> > > >
> > > > >From: "Marc S" <marcs@misresourcegroup.com>
> > > > >Reply-To: "Marc S" <marcs@misresourcegroup.com>
> > > > >To: "ROADSTER" <datsun-roadsters@autox.team.net>
> > > > >Subject: engine swaps
> > > > >Date: Mon, 20 May 2002 10:46:55 -0500
> > > > >
> > > > >Would any of the turbo rotary engines work
> > > > >
> > > > >///  datsun-roadsters@autox.team.net mailing list
> > > > >///  Send admin requests to majordomo@autox.team.net  or go to
> > > > >///  http://www.team.net/cgi-bin/majorcool
> > > > >///  Send list postings to datsun-roadsters@autox.team.net
> > > >
> > > > _________________________________________________________________
> > > > MSN Photos is the easiest way to share and print your photos:
> > > > http://photos.msn.com/support/worldwide.aspx
> > > >
> > > > ///  datsun-roadsters@autox.team.net mailing list
> > > > ///  Send admin requests to majordomo@autox.team.net  or go to
> > > > ///  http://www.team.net/cgi-bin/majorcool
> > > > ///  Send list postings to datsun-roadsters@autox.team.net
> > >
> > > ///  datsun-roadsters@autox.team.net mailing list
> > > ///  Send admin requests to majordomo@autox.team.net  or go to
> > > ///  http://www.team.net/cgi-bin/majorcool
> > > ///  Send list postings to datsun-roadsters@autox.team.net
>
> ///  datsun-roadsters@autox.team.net mailing list
> ///  Send admin requests to majordomo@autox.team.net  or go to
> ///  http://www.team.net/cgi-bin/majorcool
> ///  Send list postings to datsun-roadsters@autox.team.net

///  datsun-roadsters@autox.team.net mailing list


<Prev in Thread] Current Thread [Next in Thread>