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Re: [TR] zenith or su's ?

To: Wayne Lee <wayne@motorcarriage.com>, email list <triumphs@autox.team.net>
Subject: Re: [TR] zenith or su's ?
From: TR4Zest@gmail.com
Date: Mon, 30 Nov 2009 23:44:53 +0000
Wayne,

There is a lot of info online. Try this, for example:

http://www.winsu.co.uk/
You need windows, and I'm on a Mac, but by its blurb, it could help you.

Also: http://www.teglerizer.com/suneedledb/index.html

I don't know if this helps, but its a well illustrated piece on switching  
from Z to SU on a Spit.
http://www.teglerizer.com/triumphstuff/75w_carbswap.htm

Brian

On Dec 30, 2009 5:23pm, Wayne Lee <wayne@motorcarriage.com> wrote:
> Hi Brian,

> Yes, the Spitfire Float Bowls are essential in getting it right. I did

> the HS6 Conversion on my TR6, and it made a world of difference in  
> performance and simplicity,

> Fuel Mileage. Once You get your linkage situation sorted You'll be happy  
> You made the change.

> My HS6's started life on a Volvo P1800. So after the Float Bowls which  
> needed to be turned vertical,

> and the Linkage problems were sorted,the jetting was all that remained.  
> As long as

> your Jet is of the larger variety for the HS6's,all that's left is your  
> Needles. Moss includes the (BAG)

> Needle profile with their Conversions. I run (BAE) if I remember  
> correctly.

> I run them with the low compression late Head, Non EGR Manifold and K&N

> A/Filters, with Pertronix and Lucas Sports Coil.

> I might play with the BAE Needles in the future, I'll have to look at the

> comparitive Needle Profiles. You could always call Joe Curto

> and get a couple sets of Needles to try out. Other than having a pair of

> Synchrometers and checking your Plug readings You'll be happy

> if they're good Carbs.

> Regards,

> Wayne Lee

> 75 TR6 (Daily Driver till next week)

> 64 TR4 (Future Project)




> --------------------------------------------------

> From: "Brian Jones" tr4zest@gmail.com>

> Sent: Monday, November 30, 2009 2:26 PM

> To: "Mike H" tr_man@hotmail.com>; "email list" triumphs@autox.team.net>

> Subject: Re: [TR] zenith or su's ?




> Are you using stock needles? You can only set richness at idle,  
> effectively.

> Needle taper determines the off-idle richness. IIRC, my SU's (H6) have RH  
> as

> the stock needle.



> You should expect all the power you had from the Strombergs, and more if  
> one

> was either rich or lean before.



> Brian



> On Mon, Nov 30, 2009 at 1:44 PM, Mike H tr_man@hotmail.com> wrote:




> I have a slightly modified TR-250 that has run great with the Zenith

> Stromberg carbs. Only problem is I have always had problems getting them  
> to

> the proper mixture settings. Its like one carb will be running lean and  
> the

> other rich. I've checked the intake and carbs mountings. So I decided to

> put

> on HS6 SU's. Found out this is far from simple. I've modified the linkage




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