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BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(6470 posts)

Registered:
10/23/2007 12:59PM

Main British Car:
1971 MGB Blown,Injected,Intercooled Buick 340/AA80E/JagIRS

authors avatar
300 Buick test run mov
Posted by: BlownMGB-V8
Date: October 27, 2018 01:33PM

[www.youtube.com]

This is an iron head 2bbl Buick 300, probably a '67 with about 50K miles on it which has passed leak-down and oil pressure checks and is now getting a short test run.

Next comes a follow-up leak down test, compression test, a little more clean-up and paint, after which the intake, valve covers and pan come off, along with the front cover. It will get new gaskets and most of the common oiling mods, after which an aluminum intake will be modded to accept the Eaton M112 blower. Stock compression ratio is 9:1 so boost can be in the 5-8 psi range with no issues.

Jim


Dan B
Dan Blackwood
South Charleston, WV
(1007 posts)

Registered:
11/06/2007 01:55PM

Main British Car:
1966 TR4A, 1980 TR7 Multiport EFI MegaSquirt on the TR4A. Lexus V8 pl

authors avatar
Re: 300 Buick test run mov
Posted by: Dan B
Date: October 27, 2018 03:57PM

Sweet!


roverman
Art Gertz
Winchester, CA.
(3188 posts)

Registered:
04/24/2009 11:02AM

Main British Car:
74' Jensen Healy, 79 Huff. GT 1, 74 MGB Lotus 907,2L

Re: 300 Buick test run mov
Posted by: roverman
Date: October 31, 2018 04:40PM

Jim, you probably know the 300/340 iron heads are identical ? Big intake/tiny exh. valves. My WAG. is the exh. will flow around 60% of the intake ? No need to shorten exh. duration cam to build boost.
Good Luck, art.
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