1963 Impala Z11 from the Bob Marvin Collection at “The Shed” in Warroad, MN.

Just prior to GM announcing its ban on factory racing in early 1963, the Z11 program was destined to become an option of legendary status.
Z11-equipped Impalas numbered a mere 50 units, and featured many weight reducing components and deletions. For instance, the radio and front sway bar were history. Since it was to be a race car, items like sound deadener, a radio, and a heater were also left on the assembly line. Only the small, round stalk shifter and Delco electric tachometer were standard. Front end components were made of aluminum, including the hood, fenders, front and rear bumpers, brackets and braces, grille brackets, a two-piece fan shroud, the grille filler panel and hood support catch replaced standard production steel parts. With these, the car tipped the scales at nearly three hundred pounds less than an equivalent 409-powered production line Impala.
The highlight of the option was the highest-performing W-series engine ever released - the 430HP 409 cubic-inch engine. This particular engine was exclusive to the Z11, and featured dual four-barrel carburetors, unique heads and camshaft, a 13.5:1 compression ratio, an all-forged reciprocating assembly, and a very special cowl induction “cold air” system
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[@chrisjeffries2322]

Super nice 63 Impala Z-11. W 427 V/8. Thank you for this share.

[@godsowndrunk1118]

I'm surprised Bob neglected to mention that the Z-11's are stroked to 427 inches....
I'm also surprised that the car survived the Coddington touch without being chopped to bits....

[@I.Live4oldcars.prospecting]

I thought same about Boyd

[@76629online]

Me too, that was shocking. I though everyone (who cares) knew the Z11's were 427 cubic inches - the infamous "mystery motor".

[@jamesglavich1426]

@@76629online That was not the "Mystery Motor". The mystery motor was the one in the nascar style race cars, which is related to the later Mk IV Big Block.

[@SLJ2137694]

@@76629onlinenot the mystery motor. It’s a 409 that was stroked.

[@Jhihmoac]

First heard about them back in the 80s, but have never seen one until here in this video... Thanks for sharing! 😁

[@Tjalle]

That's a fantastic Car

[@dangilbert8391]

Beautiful

[@msrb8759]

Beautiful
I’d swear I thought these didn’t come with a back seat
Wrong again

[@67stingray1]

Very Very Nice

[@elprincipe2601]

Exelente desde Colombia

[@rollin19]

Its worth alot of money!
I dont care if your car is 1 of 100,1 of 1000,or 1 out of 10,000...hold onto becuase they will be really rare some day!
Also read your vin and if your cars rare,keep it original as much as possible.
Im telling you the day scoming where you wont find an original car,becuase they are pulling the engines out of every single car.
The thing that make it soo rare is it's a drag package car,they use the same engines in nascar and race against hemi but also to mention it dont matter what engine you have vin if its an inline 6,if it's rare keep it that way.

[@bobbrinkerhoff3592]

The engine in the Z11 cars are based off of the 409 W motor but have a stroker crankshaft for 427 cubic inches . Bore is 4.3125 , stroke is 3.650 . The '63 Impalas used in Nascar were running prototype big block Chevy Rat Motors . Bore was 4.250 , stroke was 3.760 . Two totally different beasts .

[@royb.1441]

Cam sounds a good step above mild, even with stock mufflers. I have always wanted to hear one with stock mufflers. Watch the throttle linkage on startup....😮heck yea. Classic booger bear to cold start hot cam.

[@gabewhisen3446]

Wow I wish I could hear it in n person

[@M21L35]

It's NOT a 409!...it's a 427!!!

[@carnsoaks1]

slick, jelly

[@SHENDOH]

OMG😮

[@InfinityMotorsports]

Rear tires… poor things never stood a chance

[@lostsoul3154]

First time I've heard one with stock mufflers, does the cam sound a bit mild? Probably just these old ears of mine. Ha.

[@royb.1441]

Cam sounds a good step above mild, check out the throttle linkage upon startup for the first handfull of seconds....😊 classic hot cam grumpy manners on cold start.

[@I.Live4oldcars.prospecting]

Beautiful 63. Just one question why does it have black in the side mouldings I thought silver car would have white?

[@Noah12_dfr12]

Yo

[@wendellbrownbrown5968]

I was hopping he would do some donuts, in the parking lot!!!!!

[@michaelmirsky492]

Do you know how (dangerous due to age) expensive those not DOT white wall tire are?!

[@michaelkandefer9558]

You cant drive it like a Grandma...C'mon Man!

[@jeffniemiste2461]

Not a ford

[@livewire2759]

Yeah, it's fast and it looks good too...