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#1
04-07-2008, 07:59 PM
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Re: 69 ZL-1 MOTOR DYNO TIME ONLY 630 HP/ 650 TORQUE
Is this a 69 block? There should be a date code on the driver's side of the block.
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#4
04-10-2008, 01:56 AM
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Re: 69 ZL-1 MOTOR DYNO TIME ONLY 630 HP/ 650 TORQUE
While I'm on the topic...does anyone know what's the real story with the 052 cast blocks?? screw-in freeze plugs?? push-in freeze plugs?? how about production numbers?? I had an article saying 188 blocks total?? but It seems I've seen atleast 500 for sale in the last 5 years?? Were they all made in 69?? Thanks, Max
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#5
04-10-2008, 02:30 AM
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Re: 69 ZL-1 MOTOR DYNO TIME ONLY 630 HP/ 650 TORQUE
They recast them starting in the last five years or so... I thought that was when they changed to screw in freezeplugs and a few other things...
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~JAG~ NCRS#65120 68 GTO HO 4 spd Alpine Blue /Parchment 2 owner car #21783 71 Corvette LT1 45k miles Orig paint - Brandshatch Green - National Top Flight - last known 71 LT1 built. 71 Corvette LT1 42k miles Original paint - Black - black leather - only black LT1 known to exist. NUMEROUS Lemans blue Camaros, Monza Red and Daytona Yellow Corvettes & a Chevelle or two... Survivors, restored cars, & other photos https://picasaweb.google.com/lh/myphotos
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#7
04-10-2008, 07:10 AM
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Re: 69 ZL-1 MOTOR DYNO TIME ONLY 630 HP/ 650 TORQUE
I guess my question is...Why is this one NOT dated?? Was it over the counter..but, just built earlier than the 053s?? or was it later than 69 and they just did not date them at that point?? any ideas??
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