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Joined: Jan 2003
Posts: 318
Backyard Mechanic
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OP
Backyard Mechanic
Joined: Jan 2003
Posts: 318 |
I recently have been told that Chevrolet never offered a Sun tach as an option on any Chevrolet cars with 409 engines, or for that matter, any engine. Yet, it seems I remember seeing them on early 60's Chevrolet cars and they were referred to as "knee knockers". Not knowing for sure either way, I thought I would ask here. Thank you! Joe 
See Facebook Page for Joe Fuchs to see more pictures of my 1937 Chevrolet 1/2 Ton Pickup
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Willwood Engineering
Wilwood Engineering designs and manufactures high-performance disc brake systems.
Wilwood Engineering, Inc. - 4700 Calle Bolero - Camarillo, CA 93012 - (805) 388-1188
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Joined: Dec 2001
Posts: 2,037 Likes: 5
ChatMaster - 2,000
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ChatMaster - 2,000
Joined: Dec 2001
Posts: 2,037 Likes: 5 |
I have a "knee knocker" for my 1966 Chevelle. The tach is to be mounted just to the right of the steering column on the lower front part of the dash. I guess that it why it is called a knee knocker? On the inside of the tachometer, the case is moulded with an "AC" logo.
the toolman
60th Anniversary Meet Chairperson
Dave
VCCA # L 28873
VCCA #83 Tool Technical Advisor for 1914-1966
VCCA #83 1940 Chevrolet Technical Advisor
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Joined: Dec 2001
Posts: 279
Backyard Mechanic
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Backyard Mechanic
Joined: Dec 2001
Posts: 279 |
Hello in Texas,
Your memory isn't too faded... yes Sun did supply the tachometers which were used in the 1961/62 SS models, and thereafter. Available also as an accessory.
I do not know the year they no longer offered Sun as the accessory tach.
There was a "black box" on the driver side fenderwell - which also contained a battery for the sending unit to function properly. Today, most of these boxes have been converted, as well as the tachs, to function properly without the sending unit. The sending unit is now functioning strictly as an appearance item.
Oliver J. Giorgi
Technical Advisor
1958 Passenger Car
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Joined: Dec 2001
Posts: 2,142 Likes: 3
ChatMaster - 2,000
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ChatMaster - 2,000
Joined: Dec 2001
Posts: 2,142 Likes: 3 |
The Sun tachs were also offered as a dealer install on the 59-60 High Perf cars, maybe even earlier according to the parts book. Listed in the parts book even in 1966 under group 9.750 as 55-60 Head Assembly part number 3781532. I have seen one NOS in the box and the Chevrolet part number is on a sticky back label over the sun part number.
Ollie,
You forgot that converstion at Princeton NJ at least 10 years ago when both my 60 and Don's 60 had one. I think we were even showing you the paperwork that rainy afternoon. They are rare but then again so are the 340 and the 350 HP 348's let alone two side by side.
Ollie; I am going to send you an e-mail don't forget dinner at Dante & Luigi's in Philly in two weeks
John
John
1954 Belair Sport Coupe
1960 2 door Impala Hardtop 348/340HP 4spd
1962 2 door Impala Hardtop 409/409 4spd
1962 2 Door Biscayne Sedan 327/250 Auto
1977 Monza Mirage 305 4 Speed
1988 Celebrity Wagon
2018 GMC Sierra 2500 HD Diesel
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Joined: Dec 2001
Posts: 279
Backyard Mechanic
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Backyard Mechanic
Joined: Dec 2001
Posts: 279 |
Hi John,
I recalled those tachometers and boy do they look nice!
I was not clear in my own head on when Chevrolet started to offer them - hence my 61-62 reference.
Hmmmmmm dinner in South Philly?????
Oliver J. Giorgi
Technical Advisor
1958 Passenger Car
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