Just a short Primer in Triumph 4 Cyl. Dry sleeve history.
803cc 58mm bore 76mm stroke Standard 8 from 1953
948cc 63mm bore 76mm stroke Standard 10, Pennant and Herald from '54
1147cc 69.3mm bore 76mm stroke Herald 1200, 12/50 and Spitfire from '61
1296cc 73.7mm bore 76mm stroke Herald 13/60, Spitfire, Triumph 1300,
Toledo, Dolomite 1300 from '65
1493cc 73.7mm bore 87.5mm stroke Triumph 1500, Spitfire, dolomite 1500
and MG Midget 1500 from 1970
Note up until the 1296, the engines had Siamesed intake port heads,
thereafter, they all had 8-port heads.
"Haynes, Mark" wrote:
> Donald- I'm confused, I thought that the 948 engine was a Healey motor, not
> a TR. The 948s of the Healey variety ran (after the 9C motor) HS2 SUs, I
> have 2 pair of them, and they fit your description. Does your head (cyl
> head) have siamesed intake ports, or is it an 8-port head?
> Mark Haynes
> '65 Spitfire racer RMVR #162
> '62 HAN6 Sprite (coming together)
> > -----Original Message-----
> > From: Donald H. Locker [SMTP:firstname.lastname@example.org]
> > Sent: Monday, August 23, 1999 7:57 PM
> > To: email@example.com; firstname.lastname@example.org
> > Subject: [personals] HHE seeks pair SUC
> > Hot Herald Engine (displacing a svelte 948 ccs) seeks to establish
> > intimate relationship with two (preferably related) SU Carburettors.
> > Truth to tell, I'm already committed to two I have in my "stable" but
> > I (the HHE's SO (spitfire's owner)) am really searching for info on
> > the SU carbs I have for this engine.
> > The carbs themselves are SU H2 models (1.25 in throat, manifold bolt
> > holes located one above the other) but I can't seem to find repair
> > parts or information about these. It would appear that the MG
> > T-series and MGA may have used carbs like these, though H4 looks more
> > likely. 948 Heralds used H1s. Where would these have been used?
> > A search of triumph, spitfire, and mg archives, a Lycos on the
> > internet, and some Rimmer, Moss, and other catalogs don't turn up any
> > good hits.
> > I did order the books from Burlen (their parts and maintenance books);
> > I hope I beat the rush. If anyone has any other good stuff to add,
> > I'll be listening. And I would be pleased to put together a summary
> > if I get enough requests for one.
> > TIA, and all.
> > Donald.
"If you can't excel with talent, triumph with effort."
-- Dave Weinbaum in National Enquirer