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Chev 427 came out in 1965...........there were some 409's left over that made their way into a few hundred 65's. A friend has a 65 Impala convertible with a 409 and four speed. Has every power option offered. Pretty rare car.
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I stand corrected..........per Wikipedia:
A special 427 cubic inches (7.00 L) version of the 409 engine was used in the 1963 Chevrolet Impala Sport Coupe ordered under Chevrolet Regular Production Option (RPO) Z11.[2] This was a special package created for drag racers, including aluminum engine and body parts and a cowl-induction air intake system, along with the 427 engine. The aluminum body parts were fabricated in Flint, MI at the facility now known as GM Flint Metal Center.[3] Unlike the later second generation 427, it was based on the W-series 409 engine, but with a longer 3.95 in (100 mm) stroke. A high-rise two piece aluminum intake manifold and dual Carter AFB carbs fed a 13.5:1 compression ratio to produce an under-rated 430 hp (320 kW) and 575 lb�ft (780 N�m). 50 RPO Z11 cars were produced at the Flint plant. GM Documents exist that show 50 Z11 engines were built at the GM Tonawanda engine plant for auto production, and 20 partial engines were made for replacement/over the counter use. No evidence from GM has been found that show 57 cars were built.
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Joined: Jun 2004
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Campfire 'Bwana
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Campfire 'Bwana
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I believe it's the 396 for 1965.
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Joined: Jun 2004
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Campfire 'Bwana
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Campfire 'Bwana
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That's a different 427 which didn't go into the Corvette.
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Correct you are.......it is referred to as the mystery motor. Johnny Rutherford and Junior Johnson drove them at the Daytona race in 1963.
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1987 Buick Grand National I've had Benzs, Audis, Volvos, Jeeps, you-name-it, but my 87 Buick Grand National was the all time favorite. I loved telling people that I drove a Buick. Most thought that was a boring choice. Few followed up to find out that in 1987, it was the fastest production car after a special edition Porsche. No joke, my kids were afraid to drive it. Almost forgot to mention, the informal motto of the brand was "We brake for Corvettes."  One of my great-uncles helped build the 1950s Buick Wildcat concept cars. Would have been an awesome car had Chevy not nixed it. 1954 Wildcat II: ![[Linked Image]](http://mattsko.files.wordpress.com/2011/01/1954buick-wildcat.jpg) 1953 Wildcat found and restored! 1953 Buick Wildcat always thought when I see pics of those... wonder what the inner fender paint job would look like after 10,000 miles of every day street driving? half the paint would be long gone... and would certainly be a rust bucket come the first winter... but it would sure look cool up to that point... One word: Fiberglass 
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Campfire 'Bwana
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OP
Campfire 'Bwana
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I believe it's the 396 for 1965. I know 65 was the only year that you could order a 396 in a Vette......
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Campfire 'Bwana
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Weld ya a 'anti roll device' off the rearend to Roger, helps contain a lot of power, bucking about on the street.  Gunner
Trump Won!
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Z11 is still the W headed motor. Considered to be the Mark II big block. BUT, there were some Mark III big block heads that found their way on the 409 block, that was punched/stroked to 427 CI or bigger. Remember....it was the 60's....if you were cheatin' (or bending the rules), you were not winning. I stand corrected..........per Wikipedia:
A special 427 cubic inches (7.00 L) version of the 409 engine was used in the 1963 Chevrolet Impala Sport Coupe ordered under Chevrolet Regular Production Option (RPO) Z11.[2] This was a special package created for drag racers, including aluminum engine and body parts and a cowl-induction air intake system, along with the 427 engine. The aluminum body parts were fabricated in Flint, MI at the facility now known as GM Flint Metal Center.[3] Unlike the later second generation 427, it was based on the W-series 409 engine, but with a longer 3.95 in (100 mm) stroke. A high-rise two piece aluminum intake manifold and dual Carter AFB carbs fed a 13.5:1 compression ratio to produce an under-rated 430 hp (320 kW) and 575 lb�ft (780 N�m). 50 RPO Z11 cars were produced at the Flint plant. GM Documents exist that show 50 Z11 engines were built at the GM Tonawanda engine plant for auto production, and 20 partial engines were made for replacement/over the counter use. No evidence from GM has been found that show 57 cars were built.
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Campfire 'Bwana
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Weld ya a 'anti roll device' off the rearend to Roger, helps contain a lot of power, bucking about on the street. Gunner Ole Roger being a mopar guy, is likely a pinion snubber fan. Of course that's what the caltracs are for too so... maybe not.
Something clever here.
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I had a 65 Impala SS with the higher HP option (375HP if I recall correctly). I drove it up 140+MPH twice. The front end started to lift off the ground and it was difficult keeping in two lanes. There were a few 1965 Chevelles the factory made with 396's. I recall 8, but it could be as much as a dozen. I heard That Dan Blocker (Bonanza) had one of these, I never heard where the others went.
I drove my car Interstate 29 from Kansas City to SD when I was in the Marines (The interstate wasn't complete in MO at the time but it was in Iowa and SD). I passed a foreign sports car, I was doing over 120MPH at the time. He passed me shortly thereafter like I was sitting still. Some miles later, I see a lot of red lights in the distance. There were four Iowa HP cars and the foreign sports car at the side of the road (near Council Bluffs). I waved and smiled at the driver of the car that saved me a very expensive ticket.
Last edited by SoDakota; 12/06/13.
For the time is coming when people will not put up with sound doctrine, but having itching ears, they will accumulate for themselves teachers to suit their own desires, and will turn away from listening to the truth and wander away to myths.
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Campfire 'Bwana
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Campfire 'Bwana
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Weld ya a 'anti roll device' off the rearend to Roger, helps contain a lot of power, bucking about on the street. Gunner Ole Roger being a mopar guy, is likely a pinion snubber fan. Of course that's what the caltracs are for too so... maybe not. LOL, 10-4 on the snubbers, have squashed a few of those flat over the years . The anti roll bar kits are sold by S&W racing and keep the rearend square with the body [frame/subframe] of the car, STX wants to run 1000 HP on pump gas, he gonna need an anti-twist em up device.  Gunner
Trump Won!
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Campfire 'Bwana
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Campfire 'Bwana
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Here's a pic of a pic of one of mine...'68 Dodge Dart GTS 340 w/4 speed...rag top no less...also had a '70 Cuda the same time frame of my life....440 w/6 pack....this was in 1971.. both gone.......  ![[Linked Image]](http://img28.imageshack.us/img28/1638/bk9s.jpg)
T R U M P W O N !
U L T R A M A G A !
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Joined: Feb 2004
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Campfire 'Bwana
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LOL, 10-4 on the snubbers, have squashed a few of those flat over the years . The anti roll bar kits are sold by S&W racing and keep the rearend square with the body [frame/subframe] of the car, STX wants to run 1000 HP on pump gas, he gonna need an anti-twist em up device. Gunner He's going to need a lot more than that. I can't wait to see/hear that thing.
Camp is where you make it.
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Campfire 'Bwana
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Nice old MOPARS Tikka, had a few I want back too. Gunner
Trump Won!
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Joined: Sep 2009
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Campfire 'Bwana
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Campfire 'Bwana
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LOL, 10-4 on the snubbers, have squashed a few of those flat over the years . The anti roll bar kits are sold by S&W racing and keep the rearend square with the body [frame/subframe] of the car, STX wants to run 1000 HP on pump gas, he gonna need an anti-twist em up device. Gunner He's going to need a lot more than that. I can't wait to see/hear that thing. LMAO T, 1000 elelphant headed HP will twist up a factory car like a barber pole. Hey, ya know what MOPAR stands for? Gunner
Trump Won!
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Joined: Nov 2007
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Campfire 'Bwana
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Campfire 'Bwana
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it well get gussets, frame connecters and a cage.
God bless Texas-----------------------
Old 300
I will remain what i am until the day I die- A HUNTER......Sitting Bull
Its not how you pick the booger..
but where you put it !!
Roger V Hunter
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Campfire 'Bwana
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Campfire 'Bwana
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it well get gussets, frame connecters and a cage. That'll work, and I'd back half it with ladder bars too if not running a full tube chassis with STRANGE strut fronts and rack and pinion steering. Gunner
Trump Won!
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Joined: Nov 2007
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Campfire 'Bwana
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Campfire 'Bwana
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santhuff struts if i went that route, he's 30 miles from here we know him. http://www.santhuffshocks.com/
God bless Texas-----------------------
Old 300
I will remain what i am until the day I die- A HUNTER......Sitting Bull
Its not how you pick the booger..
but where you put it !!
Roger V Hunter
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Joined: Nov 2007
Posts: 47,267 Likes: 13
Campfire 'Bwana
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Campfire 'Bwana
Joined: Nov 2007
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God bless Texas-----------------------
Old 300
I will remain what i am until the day I die- A HUNTER......Sitting Bull
Its not how you pick the booger..
but where you put it !!
Roger V Hunter
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