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Stag, 2500 & 2000 Forum

350/350 transplant

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350/350 transplant
#1
  This topic is about my 1972 Triumph Stag
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stagitall Paul Martin
Smallwood, NY, USA   USA
I purchased a stag with a 350/th350 transplant I need help locating a manufacturer or company
that has or can make an adaptor for the speedo. and tach.
any input would be greatly appreciated
Thanks
Paul

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ugmw177 Mike Williams
Charlotte, NC, USA   USA
I had a stag about 10 years ago that had a 4.3/350 THM installed. I was able to source the correct speedo drive gears...there are several online calculators that you can use to figure the need and then search GM speedometer gears for suitable dealers [they made a bunch of them].

As for the tach, it is electric and calibrated for a v8--should be the same if you have a 350--just use the negative lead on the coil for the pickup if standard ignition or use the "TACH" lead on the HEI Dist Cap if HEI.

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stagitall Paul Martin
Smallwood, NY, USA   USA
Mike, Thanks for the info, I will start my research and let you know how the story ends LOL

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Dayton China Dayton Carpenter
Le Sueur, MN, USA   USA
I have the speedo bullets that can be used in GM transmissions but have the british speedo threads. I have done several 4.3 Chevy conversions in Stags and Spitfires.

Since the stag speedo cable on the transmission side was not a threaded type you need to use a MGB cable. With this set-up you can use your stag speedometer and chage out the GM plastic gear ends to dial in an accurate Speedometer reading. Please PM if you are interested.


Dayton

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