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Latest - The Restoration of my DHC has started
by Beans
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| < TR7 4 speed gear knob Valve seat grinding WTD-speedo drive pinion from 4 speed tr7 > | |
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 "nick1"
posts: 38 non member |
posted Fri 17th Apr 2015
I'm doing on Sprint conversion on my TR7. The valve seats on the Sprint head need to be ground but the machinist does not have a pilot that is the correct size. Does anyone know what the ID is on a new valve guide? |
| Tags - TR7 TR7 Sprint TR7 V8 TR8 | |
 "Beans"
posts: 5732 Netherlands joined on Sun 5th Mar 2006 |
posted Fri 17th Apr 2015
reply 1 of 5
The valve guide diameter (ø7,14mm) isn't that crucial, just measure it from the guides in situ.  1976 TR7 FHC (currently undergoing some TLC ...) 1980 TR7 DHC (a.k.a. Kermette, my first car bought in 1988 ) 1981 TR7 FHC (Sprint engined, a.k.a. 't Kreng) http://tr7beans.blogspot.com/ |
| Tags - TR7 TR7 Sprint TR7 V8 TR8 | |
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"nick1"
posts: 38 non member |
posted Fri 17th Apr 2015
reply 2 of 5
Thanks Beans. The machinist I"m using has never seen a British motor before he did some work on my 2.0L. He's shaking his head over the design of the Dolominte head. I think he's used to working on the big V8s we had here in the 60's and 70's. This thing is like a motorcyle engine for him and his tools. nick |
| Tags - TR7 TR7 Sprint TR7 V8 TR8 | |
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"JohnD"
posts: 5465 non member |
posted Sat 18th Apr 2015
reply 3 of 5
The machine shop I use routinely deals with commercials - they have cylinder heads in for renovation as big as my six cylinder block. Old Blue. 1995-2001 Silverback. 2001-2007 SofS. 2007 - to date. |
| Tags - TR7 TR7 Sprint TR7 V8 TR8 | |
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"nick1"
posts: 38 non member |
posted Sat 18th Apr 2015
reply 4 of 5
It's a poor workman that curses his tools. :( nick |
| Tags - TR7 TR7 Sprint TR7 V8 TR8 | |
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"Beans"
posts: 5732 Netherlands joined on Sun 5th Mar 2006 |
posted Sun 19th Apr 2015
reply 5 of 5
If he curses his tools turn your back on him, find someone who loves what he's doing. 1976 TR7 FHC (currently undergoing some TLC ...) 1980 TR7 DHC (a.k.a. Kermette, my first car bought in 1988 ) 1981 TR7 FHC (Sprint engined, a.k.a. 't Kreng) http://tr7beans.blogspot.com/ |
| Tags - TR7 TR7 Sprint TR7 V8 TR8 | |
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