Z-11 Facts and part numbers: • Produced only in 1963

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Z-11 Facts and part numbers: • Produced only in 1963
• The R.P.O. Z-11 option was an additional $1240.00
• Shipping weight-3245 lbs.
• Curb weight-3405 lbs.
• 57 Z-11 Impala's were produced
• Modified 409 engine rated at 430hp@6000 RPM's. (Actual
horsepower was 480-525)
• Block casting #3830814. Code "QM"
• Block part number #3838253
• Cylinder Heads #3837731 2.19 intake/1.72 exhaust
• Valve Covers #3837739 (left), #3837740 (right)
• Oil pan (deep sump) #3816322
• 2 piece Intake manifold #3830623 (top)-#3837733 (bottom)
• Waterpump #3837691 (aluminum)
• Cam #3837736 .556 intake/.556 exhaust lift with 325 duration
• Crankshaft #3837472
•Distributor #1111023
• Coil #1115107
• Generator #1100628
• Starter #1107274
• 3.65" piston stroke
• 4.3125" bore (same as 409)
• 13.5:1 compression ratio
• Special cowl induction air cleaner #6418986, #3839764 (duct)
• Tach (redlined at 6200 rpm's)
• Borg Warner T-10 4 speed transmission (close ratio)
• Special posi rear with 4.11:1 rear gear ratio
• Sintered metallic brake shoes
• Screened rear brake backing plates with air scoops
• 15 X 5.5 wheels with 6.70 X 15 bias ply tires
• Front coil springs #3824693
• Rear coil springs #3824694
• Deleted front sway bar
• Optional sound proofing and insulation delete on most
• Optional heater delete on most
• Hood #3837710 (aluminum)
• Hood catch #3837718 (aluminum)
• Grill filler panel #3837750 (aluminum)
• Left fender #3837765 (aluminum)
• Right fender #3837766 (aluminum)
• Front bumper center #3837751 (aluminum)
• Front bumper LH #3837755 (aluminum)
• Front bumper RH #3837756 (aluminum)
• Rear bumper center #3837752 (aluminum)
• Rear bumper LH #3837753 (aluminum)
• Rear bumper RH #3837754 (aluminum)
• Front bumper bracket LH #3837763 (aluminum)
• Front bumper bracket RH #3837764 (aluminum)
• Rear bumper bracket LH #3837757 (aluminum)
• Rear bumper bracket RH #3837758 (aluminum)
• Rear frame to bumper brace LH #3837759 (aluminum)
• Rear frame to bumper brace RH #3837760 (aluminum)
pdq67

loosely related info

When the Mark IV was installed in production vehicles for the first time in 1965, it carried the Turbo-Jet name on the air cleaner, displaced 396 cubic inches, and was rated at a maximum of 425 horsepower in the Corvettes.

Here’s a quick look at milestones in the big-block’s expanding and contracting history of displacement:

396 cid – introduced in 1965, with 4.094-in. x 3.760-in. bore and stroke (first production Mark IV engine).

427 cid – introduced in 1966, with 4.250-in. x 3.760-in. bore and stroke (aluminum versions used in COPO supercars).

366 cid – introduced in 1968, with 3.935-in. x 3.760-in. bore and stroke (tall-deck; used in truck applications).

402 cid – introduced in 1970, with 4.125-in. x 3.760-in. bore and stroke (advertised as 396 cid).

454 cid – introduced in 1970, with 4.250-in. x 4.000-in. bore and stroke.

502 cid – introduced in 1988, with 4.466-in. x 4.000-in. bore and stroke (Gen V block, originally developed for non-automotive applications; adapted later by Chevrolet Performance).

572 cid – introduced in 2003, with 4.560-in. x 4.375-in. bore and stroke (developed by Chevrolet Performance; no production vehicle applications).


http://www.hotrod.com/how-to/engine/hrdp-0911-chevy-w-series-engine-build/


http://www.macsmotorcitygarage.com/2015/02/04/inside-the-63-chevy-427-mystery-engine/

http://www.superchevy.com/features/sucp-0801-348-409-w-engines/

http://www.enginebuildermag.com/2014/08/chevys-348-and-409-w-motors/

http://www.cartechbooks.com/techtips/chevy348_409headmanufacturers/

http://www.angelfire.com/ia/chevysupersport/Z11.html
 
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