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CC Advertisers
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Anthony
Wed November 15, 2006 6:00pm
Rating: 10
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427 Hi-Riser engine
427 SO, aluminum HiRiser heads, 780 Holley Lemans carb, 10.5:1 CR, bored 0.017" over, displacement 429 cubic inches. Engine built to replicate a lightweight competition engine.
Chassis dyno tuned - Got 454 rwhp @ 5900 rpm's and still climbing, and 488 rwtq @ 3900 rpm's.
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azariah2000
Fri January 5, 2007 11:48pm
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BLUSHLB Engine
1970 429ci.
434.56 cubic inches
Bore: 4.36 + .03 in.
Stroke: 3.59
Compression: 10.46 to 1
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Anthony
Wed April 4, 2007 7:54pm
Rating: 10
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Chassis Dyno - Initial Run 427 High Riser
Self built 427 SO, stock stroke, 429 ci., Dove aluminum High Rsier heads, mildly ported, 10.5 : 1 CR, original holley 780 cfm LeMans carb, vacuum secondary, on an original single four BBL Hi-Riser intake. Chassis Dyno is at Performance Engineering, Hamilton, OH.
Initial run with engine as built by me, with jetting as supplied with carburetor.
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Anthony
Wed April 4, 2007 7:55pm
Rating: 10
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Chassis Dyno - Last Run 427 High Riser
Self built 427 SO, stock stroke, 429 ci., Dove aluminum High Riser heads, mildly ported, 10.5 : 1 CR, original holley 780 cfm LeMans carb, vacuum secondary, on an original single four BBL , dual plane, Hi-Riser intake. Chassis Dyno is at Performance Engineering, Hamilton, OH.
Carb jets changed, and timing adjusted by Performance Engineering. Picked up 80 ft-lbs torque and 60 hp by chassis dyno tuning.
With a 20% loss, estimated max flywheel torque is about 600, with about 570 flywheel HP at 5900 rpm's and still climbing.
The torque curve is pretty flat.
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Anthony
Wed April 4, 2007 7:57pm
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Chassis Dyno - Last Run 427 Hi-Riser Air-Fuel Ratio
Self built 427 SO, stock stroke, 429 ci., Dove aluminum High Riser heads, mildly ported, 10.5 : 1 CR, original holley 780 cfm LeMans carb, vacuum secondary, on an original single four BBL , dual plane, Hi-Riser intake. Chassis Dyno is at Performance Engineering, Hamilton, OH.
Carb jets changed, and timing adjusted by Performance Engineering. Picked up 80 ft-lbs torque and 60 hp by chassis dyno tuning.
With a 20% loss, estimated max flywheel torque is about 600, with about 570 flywheel HP at 5900 rpm's and still climbing.
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1966Snake
Thu April 5, 2007 11:33pm
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LETSRCE
Mon July 23, 2007 2:57pm
Rating: 10
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69boss429
Thu November 29, 2007 11:38am
Rating: 10
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218
No Cobra yet,but someday maybe one with a matching Boss 429 engine!
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69boss429
Thu November 29, 2007 11:38am
Rating: 10
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311
No Cobra yet,but someday maybe one with a matching Boss 429 engine!
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GunrunnerI
Thu February 21, 2008 10:45am
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Boss 429 in a Jag XKE?
Customized Boss in a Jag XKE at SF Fisherman's Wharf car show 08.
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D-CEL
Mon April 21, 2008 4:04pm
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Sonny Bryant big block crank
custom Sonny Bryant forged, 4.250 stroke, 351 mains, boss 429 snout, 460 crank
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wtm442
Fri June 6, 2008 2:59pm
Rating: 10
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GunrunnerI
Sun June 8, 2008 12:55pm
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GunrunnerI
Sun June 8, 2008 12:55pm
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Boss 429
Need I say more?
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Mdman352
Wed October 8, 2008 7:16am
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Wishful thinking
Boss 429 aluminum block
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