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#31
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I had worked at Hank the Crank in ca and we did build Flat cranks for guys like Ryan Faulkner race engines and Traco and Chaparral. The crank u have looks like a billet to me with center counter weights. If to check on the front counter weight it will tell u the stroke and both rod and main sizes if it’s a HTC crank. Also looks like a Avaid oil pan Weaver Dry sump and Norris stainless steel rockers and maybe BBC push rods. All the people I mentioned were in the Los Angeles area. As far as “0” dash # goes the parts that I have from Jenkins had the part in there box an the new GM # after the 0
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PeteLeathersac (01-06-2022) |
#32
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Thanks Stefs,
That is some great info. I have already stashed the engine back in its spot. I will check the front throw for stampings next time I’m near it. I looked it over pretty closely earlier but could have missed something. I’ll have to tear it down at some point anyway. I’m torn about what to do with it. It is a cool piece as it is but could also be great with a larger bore and stroke. Thanks, Jason |
#33
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This engine is iron head and block but sounds like a similar build
Smokey Yunick Twin Turbo Indy Chevy built for his 72-74 stock block Indy run. Only stock block turbo to qualify in that period. Received Indy engineering award in 73. 205 cubic inch, reverse rotation, 180 degree flat plane crank. Easy converted to std. rotation. Made up to 1300 hp per Smokeys Indy Book. Smokey refreshed and checked in mid eighties. Stored since. Long Block with Intake,headers,distributor,available with turbos, wastegates,dry sump pump etc. Technical Data Engine Engine Builder: Smokey Yunick Manufacturer: Chevrolet Type: turbo indy chevy Displacement: 205 ince Horsepower: 1300@90inchs Induction: twin plenum turbo with remote wastegates at turbo inlet Heads: yunick iron with extensive weight removal Ported and flowed Block: iron 4 bolt with weight removal Crankshaft: custom 180 flat crank Pistons: forged custom |
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67 Nova Boy (01-08-2022), 69M22Z (01-06-2022), dykstra (08-14-2024), firstgenaddict (01-06-2022), PeteLeathersac (01-06-2022) |
#34
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Thanks for that Joe... I knew Yunick built a 200"ish" CUI indy engine. You saved me the trouble of trying to find the specific info.
__________________
~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 |
#35
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Thank you guys. I believe this is the same engine as the one being discussed above:
https://www.museumofamericanspeed.co...twinturbo.html Jason |
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67 Nova Boy (01-08-2022), dykstra (08-14-2024), olredalert (01-06-2022), PeteLeathersac (01-06-2022), RobR (01-07-2022), Tenney (08-14-2024) |
#36
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I bought that engine (those photos were taken in my family room) from Al Maynard (Mecum auction at Indy, 2015 maybe?) and sold it to a collector in California (I think his name was Len) and he sold it to Jim at Heartbeat City. Some really cool history with that engine, it was built by Keith Black Racing Engines and awarded to a lucky winner at Good Guys (?, not sure of the show) in Columbus, OH, by Car Craft Magazine. Another one I shoulda kept. I just picked up some more neat experimental stuff.
Last edited by Rex; 08-14-2024 at 02:47 AM. |
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1967Z28 (08-14-2024), Carleen (08-14-2024), dykstra (08-14-2024), earntaz (08-14-2024), markinnaples (08-14-2024), olredalert (08-14-2024), PeteLeathersac (08-14-2024), Tenney (08-14-2024) |
#37
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So......................................... has anyone determined WHAT GM made these blocks for? Trans AM maybe? Expiring minds would like to know.
0-395946 0-359198 |
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#38
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Rex, they were probably for Grand Sport Corvette, Chaparral, or simply for development/experimentation. I guess Indy is another possibility since Smokey did try a "stock block" Chevy there.
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PeteLeathersac (08-14-2024) |
#39
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Quote:
We would have seen more of them too... Smokey had lots of pull, could he have got Winters to make just one? |
#40
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Quote:
Good to hear from you. These blocks were a little too late to the dance for the Grand Sport program but I'm sure some of the technology derived from the 377 GS alloy engines found its way to these casting numbers. Jim Hall's Chaparral program is a definite possibility but I'm not sure about the Trans Am cars as they were closely monitored by the SCCA and to the best of my knowledge those cars were required to run stock blocks. Please correct me if I am wrong. I thought I was wrong about something last week but as it turns out I was mistaken about being wrong. LOL |
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