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PY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Race > 191/7 Round Ports with small chamber
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Old 08-07-2022, 10:25 PM
Mike Kasparian,Sr.'s Avatar
Mike Kasparian,Sr. Mike Kasparian,Sr. is offline
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Looks like somebody did some chamber work , smoothing out the sharp ridges and if you look close unshrouding the spark plug . Maybe that's why it looks so close .

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Old 08-07-2022, 11:18 PM
JSuchma JSuchma is offline
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A classmate of mine got a pair of 197's from H.B. Bailey in the late 70's , [H.B. raced on the nascar circuit for Pontiac in the early 70's]. They had RAIV chambers with extensive port work and Pontiac experimental stampings on them. Wish I had gotten pictures of them!

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Old 08-07-2022, 11:21 PM
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Quote:
Originally Posted by JSuchma View Post
A classmate of mine got a pair of 197's from H.B. Bailey in the late 70's , [H.B. raced on the nascar circuit for Pontiac in the early 70's]. They had RAIV chambers with extensive port work and Pontiac experimental stampings on them. Wish I had gotten pictures of them!
Do you remember where the stampings were? There is a # starting with ES stamped on the center exhaust ports on these.

Nate

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Old 08-07-2022, 11:25 PM
JSuchma JSuchma is offline
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Sure don't. I will try and contact him for some pics.

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