Pontiac - Street No question too basic here!

          
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Old 07-10-2022, 09:38 AM
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Default Progress - Machine work is done

Ready for assembly this week, then dyno. The block is a thing of beauty.




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70 TA, 467 cid IAII, Edelbrock D-port heads, 9.94:1, Butler HR 236/242 @ .050, 520/540 lift, 112 LSA, Ray Klemm calibrated Q-jet, TKX (2.87 1st/.81 OD), 3.31 rear

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Old 07-10-2022, 10:02 AM
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Nice!

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Old 07-10-2022, 10:17 AM
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Sweet!!
Ya hate to hide it all with oil pan, heads and intake I know!

If this is a IA block and you have never used one before, note that the front lower passenger head bolt hole may still go into the water jacket and is not blind.

They may have changed this with later blocks, but it still pays to check.

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Old 07-10-2022, 02:56 PM
joes455 joes455 is offline
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Don't understand,brand new block that requires machine work ouch

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Old 07-10-2022, 04:29 PM
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Quote:
Originally Posted by joes455 View Post
Don't understand,brand new block that requires machine work ouch
The block came with a 4.145 bore and it had to go to 4.185. Also line honed, decked, balanced. It also came dry decked so needed that too. The heads are new E-heads but needed some cleaning up and new springs. That's it I think.

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70 TA, 467 cid IAII, Edelbrock D-port heads, 9.94:1, Butler HR 236/242 @ .050, 520/540 lift, 112 LSA, Ray Klemm calibrated Q-jet, TKX (2.87 1st/.81 OD), 3.31 rear

https://youtube.com/shorts/gG15nb4FWeo?feature=share
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Old 07-10-2022, 07:48 PM
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New blocks need complete machining, B/H, deck and usually the mains. That's a small bore.

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Old 07-12-2022, 11:08 AM
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Quote:
Originally Posted by 25stevem View Post
Sweet!!
Ya hate to hide it all with oil pan, heads and intake I know!

If this is a IA block and you have never used one before, note that the front lower passenger head bolt hole may still go into the water jacket and is not blind.

They may have changed this with later blocks, but it still pays to check.
I talked to Frank at All Pontiac and he said that was corrected a while back. But thanks for the heads up.

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70 TA, 467 cid IAII, Edelbrock D-port heads, 9.94:1, Butler HR 236/242 @ .050, 520/540 lift, 112 LSA, Ray Klemm calibrated Q-jet, TKX (2.87 1st/.81 OD), 3.31 rear

https://youtube.com/shorts/gG15nb4FWeo?feature=share
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