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#1
05-15-2021, 02:29 PM
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1970 CKO L78 block paint markings research
Anyone document or have pictures to post of original 1970 L78 engine paint markings. I feel there were some on these engines prior to painting them after assembly. I'm working on mine prior to painting it and would like some examples of original engine block paint markings to maybe put back on mine. My engine block was probably hot tanked and rebuilt once prior to me. So nothing was found on mine. Any help would be greatly appreciated. Thanks.
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1970 L78 camaro Cortez silver ralley sport under restoration 1970 L78 camaro cranberry red standard black interior original drivetrain. 
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#2
05-19-2021, 05:25 AM
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On Flint engines I have typically found the engine suffix marked on the side of the block using a grease stick, I do not have examples of Tonawanda markings.
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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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#3
05-20-2021, 04:19 AM
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My 70 L34 Nova had the engine suffix marked at the rear of the right side head. They used a white grease stick.
Last edited by Mr.Nickey Nova; 05-20-2021 at 04:22 AM.
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#4
05-20-2021, 01:00 PM
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I would imagine that the CKO engines at Tonawanda would have similar markings to this CRV and MQ markings.
I have also seen a purplish pink wide brush mark where the intake meets the block and head on the front driver's side of the block as white paint marks on the sides of the blocks but cannot find a photo of these at this moment. If I do I will post them. In addition, I always paint my blocks with a cast iron color, install a set of shop exhaust manifolds and then shoot the Chevrolet orange like was done at the Tonawanda plant.
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Rick Nelson Musclecar Restoration and Design, Inc (retired) www.musclecarrestorationanddesign.com https://www.youtube.com/watch?v=62r-6vgk2_8 specialized in (only real) LS6 Chevelle restorations
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#5
05-20-2021, 10:48 PM
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Thanks Rick for posting the picks and sharing. I'm doing my block the same way. Cast blast the block and water pump. Painting the oil pan timing cover in a natural steel paint. Probably put CKO on the rear and call it a day.
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1970 L78 camaro Cortez silver ralley sport under restoration 1970 L78 camaro cranberry red standard black interior original drivetrain. Last edited by ronzz572; 05-20-2021 at 10:51 PM.
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#6
05-21-2021, 01:50 PM
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the biggest thing I have seen is just don't put too much paint on the engine.
Rick's engine looks perfect -as illustrated by his photo the water pump snout had a card board tube on the end to protect the fan mounting surface from being painted. If you lightly coat the exhaust manifolds they will burn off nicely and still have the paint left on the manifold ears and bolts. Here is one I did 8-10 years ago.... I used an airbrush to limit the paint on the manifolds - they were fully painted, they burned off and looked perfect in my opinion.
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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
05-26-2021, 11:33 PM
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Anybody want to share there procedure for good paint adhesion and what
brand, color, part # of paint they use........ Exterior car paint is always over restored with BC/CC Chrome Quality is Over Restored Subframe Paint is Over Restored but engine paint is NOT Over Restored
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Chuck Sharin [email protected] Auburn,WA (30 miles South of Seattle) 70 Camaro R/S Z-28, L-78, R/S SS 69 Camaro COPO "recreation"
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#8
09-22-2022, 05:10 AM
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To The Top
Anybody want to share there procedure for good paint adhesion and what brand, color, part # of paint they use........ Exterior car paint is always over restored with BC/CC Chrome Quality is Over Restored Subframe Paint is Over Restored but engine paint is NOT Over Restored __________________
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Chuck Sharin [email protected] Auburn,WA (30 miles South of Seattle) 70 Camaro R/S Z-28, L-78, R/S SS 69 Camaro COPO "recreation"
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