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mgoodrich
mike goodrich

(6 posts)

Registered:
10/12/2010 06:38PM

Main British Car:
Buick 300 heads ported polished big valves
Posted by: mgoodrich
Date: October 12, 2010 06:45PM

I have a set of aluminum Buick 300 heads that have been ported & polished with the largest valves possible installed. All work was performed by Mark at D&D Fabrications. Never installed, was building project engine and kids happened. I also have Rover 3.9 block with crossbolted mains, ford 255 pistons, custom rids, buick 300 crank, edelbrock intake and carb.

$2500 on heads

If interested in anything else let me know. can send pics.


Phillip G
Phillip Leonard
Kansas City
(395 posts)

Registered:
02/03/2008 04:12PM

Main British Car:
1992 MG RV8 Rover 3.5

Re: Buick 300 heads ported polished big valves
Posted by: Phillip G
Date: October 13, 2010 10:35AM

Mike,

I am trying to locate a 3.9, with crossbolted mains - block - maybe even with the original crankshaft - if also available.

My problem is that I then must fill the cylinders with 8 each, T Top or Stove Top cylinder liners and then re-bore to the 3.5 size.

The SCCA GT2 rules specify that my RV8 Rover V8 must be a 3.5 litre V8. There is a SCCA "NO NO" on the 3.9. Too bad, for the liners and the machine work can be very expensive.

What will you need for the 3.9 block and where is it located ?

keep them on the track,

phillip g


mgoodrich
mike goodrich

(6 posts)

Registered:
10/12/2010 06:38PM

Main British Car:
Re: Buick 300 heads ported polished big valves
Posted by: mgoodrich
Date: October 13, 2010 10:51AM

I will have to think about separating the block from pistons, rods, and 300 crank. Block is machined out to fit the 255 pistons.

c.mike.goodrich@gmail.com
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joe_padavano
Joseph Padavano
Northern Virginia
(157 posts)

Registered:
02/15/2010 03:49PM

Main British Car:
1962 F-85 Deluxe wagon 215 Olds

Re: Buick 300 heads ported polished big valves
Posted by: joe_padavano
Date: October 13, 2010 01:23PM

I would be interested in the crank, rods, and pistons if you decide to separate. What size are the mains on the crank? I'd be putting this rotating assembly in a 4.6 block. Have the crank/rods/pistons have all been balanced already?


Wotland
Wotland Wotland

(105 posts)

Registered:
01/07/2008 08:14AM

Main British Car:
Re: Buick 300 heads ported polished big valves
Posted by: Wotland
Date: October 13, 2010 01:45PM

Hi could you post pics of heads ?
Do you have flow bench datas ?
Thanks


tr8todd
Todd Kishbach

(390 posts)

Registered:
12/04/2009 07:42AM

Main British Car:
Re: Buick 300 heads ported polished big valves
Posted by: tr8todd
Date: October 13, 2010 04:51PM

Phillip, would a 3.9 block that has the bosses for the cross bolts but haven't been drilled yet work for you? I might have a couple of those blocks here with bad sleeves. I've seen those blocks drilled to accept the cross bolts on stroker engine builds. Just a thought. I have a pile of dealer takeout motors, and could check the engine codes and see if any are the late 3.9s with the bosses.


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: Buick 300 heads ported polished big valves
Posted by: roverman
Date: October 13, 2010 07:10PM

Phillip, Can you de-stroke a 3.9L(no cross bolts) back to 3.5 L. and be legal ? You know, lotsa rpm. ? As far as I know, Huffaker used stock cast cranks in their GT-1 engines, and reved the piss, out of them. Good Luck.roverman.



mgoodrich
mike goodrich

(6 posts)

Registered:
10/12/2010 06:38PM

Main British Car:
Re: Buick 300 heads ported polished big valves
Posted by: mgoodrich
Date: October 14, 2010 08:32AM

head.jpg
head4.jpg

Do not have flow data. All work was done by Mark at D&D fabrications the best aluminum v8 shop I know of.


Phillip G
Phillip Leonard
Kansas City
(395 posts)

Registered:
02/03/2008 04:12PM

Main British Car:
1992 MG RV8 Rover 3.5

Re: Buick 300 heads ported polished big valves
Posted by: Phillip G
Date: October 14, 2010 07:07PM

Mike,

Gosh, these are beautiful cylinder heads ! And since Mark Lagrue at D & D Fabrication Company made them, they are the best in the land. NO DOUBT !

The SCCA GT2 GCR rules even allow such modifications. At a later date and in another (amateur) racing season, a set of cylinder heads like these would be a dream on a 3.5 Rover 4 bolt main block. Even with flat top pistons I bet the dyno would reveal (at the rear wheels) over 250 HP.

keep them on the track

phillip g


Moderator
Curtis Jacobson
Portland Oregon
(4577 posts)

Registered:
10/12/2007 02:16AM

Main British Car:
71 MGBGT, Buick 215

authors avatar
Re: Buick 300 heads ported polished big valves
Posted by: Moderator
Date: October 18, 2010 11:39AM

Volume of the combustion cavities?


mgoodrich
mike goodrich

(6 posts)

Registered:
10/12/2010 06:38PM

Main British Car:
Re: Buick 300 heads ported polished big valves
Posted by: mgoodrich
Date: October 18, 2010 03:33PM

Don't know the squish area. I just told Mark to build me the best heads while still retaining reliability. If you are seriously interested I can measure the area. email me c.mike.goodrich@gmail.com
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mgoodrich
mike goodrich

(6 posts)

Registered:
10/12/2010 06:38PM

Main British Car:
Re: Buick 300 heads ported polished big valves
Posted by: mgoodrich
Date: December 22, 2010 10:26AM

Heads are now on Ebay. Thanks

[cgi.ebay.com]


willbowen
William Bowen

(26 posts)

Registered:
11/18/2009 09:03AM

Main British Car:
Re: Buick 300 heads ported polished big valves
Posted by: willbowen
Date: January 29, 2011 11:06AM

Mike;

If you still have these heads what do you need for them. Thanks. William
727-667-0995


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