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#241
02-23-2023, 08:01 PM
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This is the plug. I had a few 375 HP 70s, and was just curious...
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L78_Nova (02-23-2023), olredalert (02-23-2023) | ||
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#243
02-24-2023, 03:07 PM
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1970 L-78 Nova Restoration; Saga of The Green Bastard
Now some fun stuff... Engine assembly.
You saw the dirty photos... This took some effort to get the block this clean for assembly. My buddy Dereck Glesby the "muscle' for the job... and the brains... he is an aircraft field service mechanic by trade. He also has all of the trick engine assy and measuring tools to check clearances (rather than using plastigage). No surprises aside from a little extra effort to set the thrust bearing clearance. So... after we both misunderstood the Cloyes keyway instructions, I had to build a puller for the crank sprocket which we had installed incorrectly (couldn't wait the couple days to borrow one). And the pistons are in! Very light green hue on the cylinder walls is from the Total Seal "Quick Seat" powder for seating in the rings. I thought it couldn't hurt with this block only having been deglazed.
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68 Acadian SS-350 auto/AC driver 70 Nova SS-396/375HP Bench Stick 72 Nova SS-350 5sp Mini Tubbed 67 Chevelle Conv. SS-427 clone 70 Chevelle SS-454 LS-5 M-22 Last edited by L78_Nova; 02-24-2023 at 03:11 PM.
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big gear head (02-24-2023), dykstra (02-24-2023), olredalert (02-24-2023), SuperNovaSS (02-24-2023), Xplantdad (02-24-2023) | ||
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#244
02-24-2023, 04:43 PM
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1970 L-78 Nova Restoration; Saga of The Green Bastard
Dereck Degreed the Cam.
I always use Cloyes "Hex Adjust" chains in my engines. You can dial the cam in exactly. This is a Crane solid 396 425HP spec cam (I think its exactly the same specs as the 375HP). I Reused the cam that was in the engine as it all inspected perfectly and I had marked the original position for each of the lifters. Plus no break in drama or worry about a bad core. Some of Dereck's fancy tools !
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68 Acadian SS-350 auto/AC driver 70 Nova SS-396/375HP Bench Stick 72 Nova SS-350 5sp Mini Tubbed 67 Chevelle Conv. SS-427 clone 70 Chevelle SS-454 LS-5 M-22 Last edited by L78_Nova; 02-24-2023 at 05:44 PM.
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#245
02-24-2023, 06:00 PM
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1970 L-78 Nova Restoration; Saga of The Green Bastard
The oil Pan was replaced with a stock style Moroso as the original was beaten beyond repair from bottoming out on gravel roads
 A little clearancing was required on the Moroso baffling to clear the factory windage tray studs. I also used a Moroso standard volume pump and pickup.
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68 Acadian SS-350 auto/AC driver 70 Nova SS-396/375HP Bench Stick 72 Nova SS-350 5sp Mini Tubbed 67 Chevelle Conv. SS-427 clone 70 Chevelle SS-454 LS-5 M-22
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#246
02-24-2023, 06:12 PM
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Are those 30 over 402? I took all three 854 blocks and punched them out to 427, years back you couldn't get 402 pistons (oversize).
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#247
02-24-2023, 06:57 PM
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Quote:
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68 Acadian SS-350 auto/AC driver 70 Nova SS-396/375HP Bench Stick 72 Nova SS-350 5sp Mini Tubbed 67 Chevelle Conv. SS-427 clone 70 Chevelle SS-454 LS-5 M-22
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#248
02-24-2023, 07:26 PM
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1970 L-78 Nova Restoration; Saga of The Green Bastard
On go the heads... rebuild with New guides, Seals, and fresh Valve job.
The paint shop  Is it wrong that I spent hours degreasing every nook and cranny with solvent and a toothbrushUsing the tall intake just because I prefer the looks (I do have the original pancake manifold). Manifolds are ceramic coated. I went with non-smog, really not sure what was correct. For as long as I have known the car it did not have smog but... I've been told ALL L-78's were delivered with smog.  Big D buttoning things up.
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68 Acadian SS-350 auto/AC driver 70 Nova SS-396/375HP Bench Stick 72 Nova SS-350 5sp Mini Tubbed 67 Chevelle Conv. SS-427 clone 70 Chevelle SS-454 LS-5 M-22 Last edited by L78_Nova; 02-24-2023 at 07:30 PM.
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dykstra (02-24-2023), olredalert (02-24-2023), scuncio (02-24-2023), Too Many Projects (02-24-2023), Xplantdad (02-24-2023) | ||
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#249
02-24-2023, 09:39 PM
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Saweeeeet!
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Dave Dykstra 1968 Camaro Palomino Ivory/Ivy Gold interior -Delivered to Courtesy Chevrolet, Los Angeles, CA 2013 Corvette Grand Sport 60th Anniversary Edition Arctic White/Diamond Blue interior -Delivered to Bill Jacobs Chevrolet, Joliet, IL NCRS#66003 Speed has never killed anyone. Suddenly becoming stationary, that’s what gets you. – Jeremy Clarkson. Dykstra Motorsports
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#250
02-24-2023, 11:20 PM
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----Like this build a lot. It's your engine, and it's your car. Build it your way or no way! I have never liked the low intakes. I have always heard that fuel puddled up down in the low spots of these intakes!.....Bill S
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L78_Nova (02-25-2023) | ||
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