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  #1041  
Old 01-14-2022, 03:41 PM
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lmao...now that there is funny!

First of all...Thanks!

It was extremely fun doing this build and sharing the details. I've read back through it like 3 or 4 times now.

Takes a while don't it?
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  #1042  
Old 01-14-2022, 05:01 PM
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As a bit of a progress update, the severe deep freeze that western Canada was locked into...finally broke. That said, I did finally manage to haul the DZ302 up to the machine shop on Wednesday. The bores will be measured to see it we can rebuild it at .030 which looks like a really good possibility right now. I bought this block from Larry Christensen and he honed the cylinders at .030 because there was no ridge wear. It looked by all means to be rebuildable at .030 over with a simple hone, bearings and a new set of rings.

I have since picked up some .030 forged pistons from Steve Shauger that look like new so we will measure them up to see if we can use them with this build. I suspect the clearance will be fine but if need be, I can always ceramic coat the pistons. The 1178 crank is actually cut & polished at 10/10 so my error on the earlier stated condition of the crank being standard. It looks good to go and if the pistons match up with the bores, the rotating assembly will be balanced and blueprinted for this engine once the block goes through a thorough cleaning and a few tests.

The short block will now be washed, inspected for cracks, bores measured and machined if necessary, main cap alignment checked and all the oil galleries will be thoroughly chased. It'll then be hot tanked and jet washed for a second time before going together with new frost plugs and a set of cam bearings. Once ready for the assembly to drop in, it'll receive a full set of Clevite "H" bearings and the bottom end will be buttoned up. Next, we'll add a Nostalgia plus 30/30 camshaft, Cloyes true roller chain and a new Melling oil pump with factory windage tray. When ready for paint, it'll see an original Z/28 oil pan and an AOR 8" timing cover w/ original 7708 balancer.

I did have to put myself in check this week and not choose a bigger camshaft than needed for this engine and that's hard for me to do (lol). Choosing a smaller cam allows us to clean up the 186 heads, run fresh 1.250 Z/28 springs with screw in studs & guides...and call it a day. I'll now need to find some decent lifters and measure up the pushrods before adding the 472 intake and a set of NOS long slot rockers with stock valve covers. Once finished, the upgraded components should help this motor run stable to 7000 rpm.

More when it's all back from the machine shop.







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Last edited by NorCam; 01-14-2022 at 07:54 PM. Reason: spelling as always (lol)
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  #1043  
Old 01-15-2022, 03:33 AM
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Just wanted to send out props to Larry B for mailing up a set of Dill valve stem caps for the 69. Larry knew I was looking for a set for some rally wheels I was collecting and sent these up on the Polar Express.

Thanks Larry (lbnaz)

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  #1044  
Old 01-15-2022, 03:39 AM
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In case it was buried in a previous post, I also wanted to send a shout out to Buddy for a nice set of original frame mounts he sent up for use in the car. The 302 will most likely be going in later this year and those mounts will definitely be used at that time.

Thanks again Buddy (x77-69z28)

It's great people like you guys that make this such a special place to hang out!
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Last edited by NorCam; 01-15-2022 at 03:43 AM.
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Old 01-18-2022, 04:31 AM
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Glad to help out Graeme! Glad you’re keeping her!
Buddy
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  #1046  
Old 01-18-2022, 12:39 PM
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Quote:
Originally Posted by NorCam View Post
Was going to try and sell the car, but the more I think about it, the car will be staying where it is.
Wahoooooooooll
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  #1047  
Old 01-27-2022, 04:10 PM
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Machinist called me yesterday and said he measured all the bores and it's good to go back together at .030 and that the pistons I got from Steve are a perfect fit for the bores. The block is now getting thoroughly cleaned while the rotating assembly is being balanced up. I got the camshaft for this motor but still need to find some good lifters for it before it all goes together. Heads are next and I also found some good springs for those.

I'll post some pictures when the motor is going back together.
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