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#1
12-22-2020, 07:14 PM
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Vacuum gauge
I'm going to be installing a vacuum gauge in my 70, because with a cam having lot of overlap I like to stay upon my tune. How many still tune their engine using one? Pontiac at one time installed them on several models .Why was this feature discontinued?
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#2
12-22-2020, 09:38 PM
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I use them temporarily on occasion If I want to play with power valves on a new carb/engine setup, but never had the need to keep one on a car permanently.
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#3
12-22-2020, 09:54 PM
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I believe they were marketed on cars as a fuel economy gauge. YMMV !
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#4
12-22-2020, 10:55 PM
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My VAC gauge is a permanantfixture in the 68 GTO.
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#5
12-22-2020, 10:56 PM
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a vacuum gague can be used for many things, but i would rather an 02 sensor. even that can be a set and forget once you get it right.
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1979 Firebird Trans Am 301/4spd (Now 428) 1977 Firebird Formula 400/Auto 2007 Grand Prix GXP 5.3L |
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#6
12-23-2020, 12:20 AM
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I have a Stewart Warner motor minder going in my car.
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468/TKO600 Ford thru bolt equipped 64 Tempest Custom. Custom Nocturne Blue with black interior. |
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#7
12-23-2020, 07:55 AM
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I had a factory gauge in my 65 GP and I believe it was standard in the GP with the automatic, it was graduated in both inches of vacuum and with 3 blended colors such that the left side ( green ) was labeled economy and the far right side which was Red ( and zero ) was labeled power. The middle range color was yellow and if I recall right if the needle was centered it was reading 10 to 12 inches.
The motor in the car was the standard 325 hp 389. I think that feature was dropped because a lot of owners would hardly pay attention to a oil pressure gauge after a while, no less a Vacuum gauge, or that it was a hardly requested option and could only be used with a console to mount it to.
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Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs! And he was not talking about 1/8 or 1/4 mile ETs! 1) 1940s 100% silver 4 cup tea server set. Two dry rotted 14 x 10 Micky Thompson slicks. 1) un-mailed in gift coupon from a 1972 box of corn flakes. Two pairs of brown leather flip flops, never seen more then 2 mph. Education is what your left with once you forget things! |
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