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Re: Project “Blue Bomb” (rebirth of a 1970 c30)
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Thanks guys.
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I agree I wanted to paint the bare minimum but my friend took some liberty, and it turned out ok in the end. I know right? It’s been unusually wet here this winter, seems like it’s rained 8 days out of 10 all year. I visited my brother in Cheyenne a couple weeks ago and was reminded quickly how good we have it out here. :whine: Attachment 1880055 |
Re: Project “Blue Bomb” (rebirth of a 1970 c30)
damn you even got a forklift.lol can't wait to see the wheels on.👍
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Re: Project “Blue Bomb” (rebirth of a 1970 c30)
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Well I don’t have any real updates but it’s been a while so here are some pictures. 19.5’s mocked up on the front so I can measure how much front spring to cut. It sits almost an inch higher than it did on the 16.5’s, and I want it about an inch lower.
Attachment 1898526 Attachment 1898527 HO72 ready for disassembly... Attachment 1898531 |
Re: Project “Blue Bomb” (rebirth of a 1970 c30)
Looking good. Why you tearing down the 72?
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Re: Project “Blue Bomb” (rebirth of a 1970 c30)
Wheel cylinder, axle seal, and pinion seal leaks, so I’m going through the brakes and seals. You have to take the axles out to get to the brakes so I figured I would get at least those repairs done.
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Re: Project “Blue Bomb” (rebirth of a 1970 c30)
I have 4:10 locker and an open 52 if ya need a center section
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Re: Project “Blue Bomb” (rebirth of a 1970 c30)
Cool thanks I will let you know
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Re: Project “Blue Bomb” (rebirth of a 1970 c30)
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Re: Project “Blue Bomb” (rebirth of a 1970 c30)
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Re: Project “Blue Bomb” (rebirth of a 1970 c30)
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Got the HO72 brakes and inner hub seals replaced. The gears and bearings/races look fantastic, as expected given this truck only has 98k miles (they look good to me at least, no scoring or gouges??). I’m gonna do the pinion seal after I get it back in the truck, I think it might be easier to wrench on it.
Question: I have a fel-pro diff cover gasket. It’s some kind of molded material. I searched the site and it seems most of people go with rtv. I want to use the gasket. I cleaned the surfaces real good, and plan to just bolt it in. Anyone have experience to share? Attachment 1903083 Attachment 1903084 Attachment 1903085 |
Re: Project “Blue Bomb” (rebirth of a 1970 c30)
Use the gasket, AND put a thin layer of RTV on both sides of gasket. This allows better seal (and installation), and gasket will come off WAY easier if needed, next time!!!
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Re: Project “Blue Bomb” (rebirth of a 1970 c30)
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I don’t know if I posted a photo of the interior with the seat installed... It took some effort but I finally got a center pair of belts that match color and condition. Yeehaw
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Re: Project “Blue Bomb” (rebirth of a 1970 c30)
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The rear end is coming along. Just need to torque the hubs down and install the axles, and then replace the pinion seal.
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Re: Project “Blue Bomb” (rebirth of a 1970 c30)
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Re: Project “Blue Bomb” (rebirth of a 1970 c30)
Looks great!! Some nice progress.
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What a great looking interior you have! Looks amazing my friend!
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Re: Project “Blue Bomb” (rebirth of a 1970 c30)
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Thanks guys.
I made some more progress today. Got the front brake shoes, cylinders, hoses, and shocks replaced, and got most the way through rebuilding an edelbrock 1406. The original q-jet has some issues. My daughter having fun with the camera... Attachment 1907391 Attachment 1907392 I learned a lesson today. Apparently throttle plate screws are staked from the factory to keep them from coming free and dropping into the engine. Well I sheared several in half before I figured that out so I had to drill and tap for larger threads. Doh! Attachment 1907393 |
Re: Project “Blue Bomb” (rebirth of a 1970 c30)
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Re: Project “Blue Bomb” (rebirth of a 1970 c30)
:c2::cool:
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Re: Project “Blue Bomb” (rebirth of a 1970 c30)
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If I had known what a pain it would be to install an edelbrock on a stock cast iron sbc manifold I wouldn't have done it. But the carb was free and I learned a few things along the way in addition to how to do a carb rebuild.
I read that I needed a spacer to keep the carb from overheating. Bought one, and learned that Square bore and Spread bore are not the same. So then I needed an adapter plate kit. The one I bought wasn't machined properly so I had to grind down the bolt heads so they fit into the adapter plate. The carb studs were cheap-o and I stripped one. So I got a better quality set and installed them (after the pic below). Attachment 1911785 Attachment 1911786 Attachment 1911787 |
Re: Project “Blue Bomb” (rebirth of a 1970 c30)
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The throttle linkage doesn't fit either, so I had to modify my original shift linkage to fit by threading the ends. I bought a throttle stud from edelbrock, but the hole was not large enough (or threaded) so I had to drill and tap the throttle stud in addition to threading the rod. It functions great and everything moves freely.
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Re: Project “Blue Bomb” (rebirth of a 1970 c30)
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There are apparently a lot of ways to make the throttle return spring work, but what seemed to be the cheapest was just buying a new spring, pinching the end a bit so it clears the idle screw, and attaching to what I think is an engine lift lug. Fits pretty good.
The vac and pcv hoses didn't fit, and they were aged anyway so those got replaced. Fuel lines are another thing that doesn't fit q-jet to edelbrock. I'm waiting on a new hard line from inline tube so I can have a filter and only short lengths of rubber hose. I'll post pics when I get that going. Attachment 1911791 |
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