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66 Buick Wildcat convertible


SkeeterDave
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In 1966 a one-year-only Wildcat "Gran Sport Performance Group" package could be ordered by selecting the "A8/Y48" option. Two engine choices were available. The single carb 425 CID/340 hp V8 was included in the base package price with a 360 hp (268 kW) dual-carb set-up available at extra cost. Initially, this 20 hp (15 kW) upgrade remained a dealer-installed carb-intake modification bolted to stock MT-coded engines but eventually these "Super Wildcats" could also be obtained direct from the factory with MZ-coded engines. Rounding out both the base and Super GS packages were dual exhaust, heavy-duty suspension, posi-traction and updated rear quarter-panel "GS" badging in the new, initials-only format employed on all post-1965 Gran Sports. A total of 1,244 Wildcat GSs were built by Buick during the model year. Of those, 242 were convertibles and the rest were hardtops. A mere 22 (consisting of an unknown mix of both body styles) were Super Wildcats.

 

per wikipedia..........

Edited by wmsue (see edit history)
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3 hours ago, wmsue said:

In 1966 a one-year-only Wildcat "Gran Sport Performance Group" package could be ordered by selecting the "A8/Y48" option. Two engine choices were available. The single carb 425 CID/340 hp V8 was included in the base package price with a 360 hp (268 kW) dual-carb set-up available at extra cost. Initially, this 20 hp (15 kW) upgrade remained a dealer-installed carb-intake modification bolted to stock MT-coded engines but eventually these "Super Wildcats" could also be obtained direct from the factory with MZ-coded engines. Rounding out both the base and Super GS packages were dual exhaust, heavy-duty suspension, posi-traction and updated rear quarter-panel "GS" badging in the new, initials-only format employed on all post-1965 Gran Sports. A total of 1,244 Wildcat GSs were built by Buick during the model year. Of those, 242 were convertibles and the rest were hardtops. A mere 22 (consisting of an unknown mix of both body styles) were Super Wildcats.

 

per wikipedia..........

This should read "..dealer installed carb - intake modification bolted to stock MW-coded engines."  The MT code was the 401 engine.  FYI - there were 179 MZ coded 1966 Rivieras built in 1966.  On the Riviera, the heavy duty suspension option was code H2 and was not part of the Gran Sport option.  I'm wondering if it's the same for the Wildcat.  You need to remember that anything posted in Wikipedia is information gathered by the general public and should always be scrutinized as such.  As a teacher, I never allowed students to use Wikipedia as a quotable source. 

 

 

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OK, 1966 Wildcat Convertibles break down. From Daily Car Report!

 

46467 2690 built.  Wildcat Convertible

A 7 425 cid Q-Jet 62 built

A 8 425 cid dual quad -1 built (GS option)

A 9 425 cid Q-Jet 40 built (GS option)

 

46667 2790 built.  Wildcat Custom Convertible

A 7 425 cid Q-Jet 114 built

A 8 425 cid dual quad -3 built (GS option)

A 9 425 cid Q-Jet 195 built (GS option)

 

 

So there are 425 cid Wildcats that were not Wildcat GS.  But unlike prior years, they were equipped with the Q-Jet carb.

 

 

 

Edited by Ted "Wildcat65" Nagel
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44 minutes ago, EmTee said:

What was the difference between A7 and A9?  Was it the transmission (auto/manual)?

 

The difference appears to be : A7's are regular wildcats, if one could be called regular. And A9's are Wildcat GS's.

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A8 was the Super Wildcat engine option.  A9 was the Gran Sport option.  A9 included A8 as part of the package.  Some cars were built with the A8 engine option but without the A9 Gran Sport option.  All 66 Rivieras came with the Quadrajet carbureted engine, except for the 179 MZ cars built late in the year, so there was no A7 option for the Riviera.  There were a couple of optional 401's built in '66 as well for the Skylark GS cars.  One had the Quadrajet carb and the other had 11.0 to 1 compression ratio. NHRA rated the Q-jet motor at 332 hp.

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OK Skeeter: The numbers? Well, I guess if one likes statistics....ya know, like in baseball.  For 66 Wildcat purposes the 425 was the first to fall as they had less meat in the blocks. I have 4 425'z .30 over and many 425'z that are clunked out. The 401 was much better but at this point in time many of them are klunked out. Always stick 6 grand in the budget sooner or later for a re-build. And believe it or not, THAT could be a low figure at this time.  I base my statement on years of experience with these old heaps and my current ownership of more than i care to disclose.  Mitch.

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