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#1
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Strange Place For The Thrust Bearing
A guy I know, is working on a '72 TA for a customer. I went and looked at it a few weeks ago just out of curiosity. They already knew it had the wrong heads but we also found that it had a SR block. Well the engine got removed so the correct 7F6 heads could be installed. I went back down to check out the short block and check the VIN on the transmission and this is what I found. I never cease to be amazed at the stupid stuff people can do.
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#2
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"If it fits, it ships!"
I have seen that as well. Funny, they can run a long time that way.
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"At no time did we exceed 175 mph.” Dan Gurney's truthful response to his and Brock Yate's winning of the first ever Cannonball Baker Sea-to-Shining Sea... Still have my 1st Firebird 7th Firebird 57 Starchief |
#3
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Any chance you might know what the SR number is on the block?
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#4
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Holly crap!
Are those indeed factory Moraine 400 series main Bearings in those main journals, as that's not a factory timing chain? Any port in a storm I guess! That is when parts need to get off the assembly line and into the replacement parts stream! I guess there was vastly different levels of quality control and scrutiny with low production number motors. Well atleast the customer/ owner got a correct replacement 4 bolt main block like he should have if indeed that was assembled like that from day 1.
__________________
Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs! And he was not talking about 1/8 or 1/4 mile ETs! 1) 1940s 100% silver 4 cup tea server set. Two dry rotted 14 x 10 Micky Thompson slicks. 1) un-mailed in gift coupon from a 1972 box of corn flakes. Two pairs of brown leather flip flops, never seen more then 2 mph. Education is what your left with once you forget things! Last edited by steve25; 10-30-2019 at 07:49 AM. |
#5
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The #1 main cap looks like it's not even touching the block on the left side in the first pic. I'm surprised that it held together for any length of time.
I hope they plan on going thru the short block too. |
#6
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I was just going to say the same thing until I saw your reply. Ive seen pistons and rod in backwards but that's a first for me.
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#7
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Also the snout of that Crank looks kinda beat in spots like the Balancer was walking some!
__________________
Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs! And he was not talking about 1/8 or 1/4 mile ETs! 1) 1940s 100% silver 4 cup tea server set. Two dry rotted 14 x 10 Micky Thompson slicks. 1) un-mailed in gift coupon from a 1972 box of corn flakes. Two pairs of brown leather flip flops, never seen more then 2 mph. Education is what your left with once you forget things! |
#8
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Here you go.
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#9
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Thank you! And I'm assuming this is an otherwise basic 485428 casting?
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#10
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Yes.
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#11
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Thanks for the clarification on the casting number.
With that 1973 cast date, it coincides with the fact that all 485428 SR blocks produced around that time were equipped with 4-bolt main caps. Not that it likely matters from an originality standpoint, but that's probably the original SR block for the particular '72 Trans Am. |
#12
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I had no idea they numbered the SR blocks.
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