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Re: 1850 cylinder head
Posted: Sun Apr 18, 2021 5:01 pm
by Bumpa
As far as I know the 1850 engine had exactly the same specification throughout its production. Where are you getting the information about early and late heads being different? The 1850 head IS different to the 2 litre TR7 head.
Re: 1850 cylinder head
Posted: Sun Apr 18, 2021 6:36 pm
by soe8m
The Stromberg 1850 heads had smaller diameter valves. TR7 heads are totally different, all of them.
Jeroen
Re: 1850 cylinder head
Posted: Sun Apr 18, 2021 7:23 pm
by cleverusername
The TR7 has the same bore size as a Sprint, it is kind of like an 8V Sprint. The 1850 block has a different size cylinder bore.
Re: 1850 cylinder head
Posted: Wed Apr 21, 2021 9:48 am
by Magenta Auto Sprint
There are at least four cylinder heads that looks similar.
Left bank Triumph Stag
Early 1850 with smaller valves (Strombergs)
Later 1850 (SUs)
TR7
I bought a head from a stag owner as he thought that's what the head was, he was then told 1850, I was later advised that it wasn't an 1850 either but was a TR7. The V number on the side is important when looking for a replacement.
Malcolm
Okay........
Posted: Wed Apr 21, 2021 10:20 pm
by sprint95m
Cylinder heads for the 1850 and 1850HL are easy to distinguish visually.
1850 heads have a (water transfer) slot below the ports for cylinders 3 and 4,
said slot is not present on HL heads.
The castings themselves are other ways different, so much so that the water transfer housings not only
look different externally but are actually not interchangeable.
Ian.