REGAL 84 Buick regal. Spring updates

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Daca214

G-Body Guru
Dec 1, 2017
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Received my engine in friday. Im storing at work until i can finish restoring all the misc parts and pieces i am transferring over.

C5A6410D-98E8-49AF-9BA5-A2FCA79C567E.jpeg
2E5C4134-CE4E-47C5-826B-170303E0C515.jpeg



Heres the engine all wrapped up
16899638-561A-478B-8025-7F30103829A5.jpeg

So according to the paperwork the block casting is 395558. I looked it up and its a 69-70 350

It has two different heads though according to paperwork
411929 - which is a “8” head from 73-76 and a 409147 which is either 7 or 7a from 71-72 based on what the internets tells me

I have unpacked and confirmed all the numbers yet i just peaked in there today to find the paperwork

Will my current intake that was on my 307 work with this engine for the time being?
 
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TURNA

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Jul 24, 2009
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307 Chevy.......yep
 

MrSony

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Nov 15, 2014
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MrSony

Geezer
Nov 15, 2014
6,790
6,673
113
Des Moines, Iowa
  • Haha
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TURNA

Rocket Powered Basset Hound
Jul 24, 2009
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307 Chevy......never heard of it?
 
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DRIVEN

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Apr 25, 2009
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Not sure I'd be cool with mismatched heads. You may never feel a difference -- just general principle for me.

Edit: I just looked it up and the 7 and 7a heads have 64cc chamber vs the 8's 79cc. That's potentially a huge difference in compression ratio from bank to bank. Any chance there is a compression test and oil pressure sheet in the crate? I'd definitely be calling the builder before I moved forward at all.
 
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MrSony

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Nov 15, 2014
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307 Chevy......never heard of it?
what does his reman olds 350, and blown up 307 have to do with a chevy 307?
 
Oct 14, 2008
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what does his reman olds 350, and blown up 307 have to do with a chevy 307?
Not sure where the sbc 307 came from. The intake will work but will severely limit top end. I used the SP2P(tiny triangle ports)intake on an Olds 350. Part throttle was amazing but the Qjet overwhelmed it at full throttle. It would do nothing for a few seconds then catch up slowly. What is the big casting number on the shelf by the oil fill tube? With the #8 head and 24cc pistons, the only affordable cast pistons available will give 7 to 1 compression, 8 to 1 with a 7 head, maybe less for both, they sit way in the hole. Another early head would be a good idea. Most get 68 to 70cc for 7/6A heads stock. I have measured 77 to 78cc for the #8 heads. Honestly the #8 would need a .040" mill and a bowl hog under the exhaust valve to equal the 7 head. Edited after rereading it.
 
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TURNA

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Jul 24, 2009
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My mistake!!
 
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