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#487944 - 02/17/08 01:08 PM 300 ci small block in a Regal body?
mpneroz Offline
Member


Registered: 08/22/01
Posts: 66
Loc: Dallas, PA
I came across an automatic 1981 Regal coupe with a very tired v6 and a decent body that would make a nice project. Car has an unusual interior too, w/ tan rugs and offwhite/eggshell corduroy like upholstery. I've never seen much other than grey, maroon or blue for a Regal interior. This would make exterior color change easy. Car currently is an ugly sandstone tan! I also have a friend that has a 1965 300 ci engine available that has already been rebuilt (cheap). Is that a possible swap with the existing trans/motor mounts? Seems like a fresh mid 60's small block would put out enough HP to move out a relatively light Regal body better than a smogged 307 Olds?
I currently have a 65 LeSabre conv that has a 4bbl 300 that moves out ok. Anybody ever try this?

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#488029 - 02/17/08 07:43 PM Re: 300 ci small block in a Regal body? [Re: mpneroz]
JohnD1956 Offline
Member


Registered: 03/29/03
Posts: 2233
Loc: New York
I never did this but I thought about it. If it were me I'd opt for finding a decent 69-70 Buick 350 motor. Just about every other person who has one of these cars is throwing the 350 away for a 455 lately. That 350 might be better suited to lighting up the rear end on that Regal.
Plus I understand the Buick V6 is the 350 minus two cylinders. So this should be a basic drop in engine.

Or you could also opt for a sweet Buick 400 or the 430 from a 67-69, but you'd have to take a look at the front springs to beef them up with that much weight.

JD
_________________________
John C. De Fiore BCA # 3757

56 Super 56R
69 GS 400 Convertible
69 Electra Limited 2 dr.( well, no longer limited although still unique)
95 Riviera Supercharged (sold)
06 Lacrosse CXL

Doing my part to stimulate the economy!

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#489189 - 02/22/08 10:39 AM Re: 300 ci small block in a Regal body? [Re: mpneroz]
brh Online
Member


Registered: 08/19/02
Posts: 769
Loc: Illinois
Not familiar with swaps and such, but if you want to put in the 300, make sure its the high performance version. Buick made 2 300 engines, the high performance is the 11:1 piston ratio. Mine is all original in a Skylark with the 2 speed tranny and posi rear end--she has eaten a few 350s for lunch. Not the fastest thing off the line but punch it at 40 and its bye bye. If that little screamer had a trans with more gears???? It is fun to say the least.
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#489291 - 02/22/08 06:14 PM Re: 300 ci small block in a Regal body? [Re: brh]
mpneroz Offline
Member


Registered: 08/22/01
Posts: 66
Loc: Dallas, PA
I do have a 4 BBL Wildcat 355 in my 65 LeSabre. It moves 4,000 Lbs of Buick convertible around just fine. That's what gave me the idea. A friend of mine has a 2 bbl Wildcat 310 in excellent shape to bolt right in. It doesn't need a rebuild either for $200. I would think the 65 small block has more hp with 9.5 compression than a smog era 307, it can't weigh more than the Olds either? Slap a 4bbl intake on the 300 (I can get one locally) with a free flow exhaust and you would have a fun car to drive. Question is, will it bolt up etc?
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#500894 - 04/09/08 09:55 AM Re: 300 ci small block in a Regal body? [Re: mpneroz]
Wildcat65 Offline
Member


Registered: 05/29/00
Posts: 554
Loc: Cincinnati, Ohio, USA
I think it would go right in there. The bellhousing will bolt up and the accessories may also fit right on there. I just wonder about the oilpan though, the 65 Lesabre may have the center sump, you may need the rear sump pan.
CTX-SLPR was thinking of doing something similar- he had found a '8* regal manual transmission car for a posssible swap.
_________________________
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