85 Limited LC2 or 455
- Thread starter jpratt
- Start date
dr_frankenstein
Mad Scientist
- Joined
- Mar 17, 2008
Hey charlie, is that poncho 455 for sale?
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I need to look up the numbers again but if I remember right it's a 75 block David.
jpratt, Are your plans to run a bored with standard stroke block or a stroker BBB engine? I may have a few BBB engines and a trans or two in storage.
GBGN1
stroked
- Joined
- May 26, 2001
Any year 455 can be built to hold 600hp.with little to no mods. But the 75-76 year blocks have a higher nickel content and are more sought after for highhp builds. If you get a 70 block you need to drill out the oil gallery. All the info you could ever want on v8buick.com
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Mike T
Well-Known Member
- Joined
- May 3, 2013
I have been kicking around the idea of putting a BBB in a clean 82 Regal that I picked up a few months ago. The OP's idea of something simple and no clutter is very appealing to me as well. I bought a 430 off of CL and have found that TA performance has a lot of the parts need to make the swap fairly simple.
I don't think the 69 heads are anything special. I have a set laying around and the casting # is not one of the "big port" heads. From what I remember, the good castings were only found on '67 and some '68 400's. Not on any 430's.
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Ok, so the 69cc heads did come on some of the 430's, but not in '69.
http://www.hotrodreference.com/319/big-block-buick-cylinder-head-casting-numbers/
That being said, you can still do cool things with them. The skylark I posted had a '69 430 with '68 400 heads. My heads were not the big port heads, but they were ported pretty well and flow benched. I had a stock ported intake, stock ported exhaust manifolds, TRW 10.0:1 forged pistons, ARP fastners, lunati 116 cam, Crower valve springs, ta adjustable push rods (highly recommended) ta rockers, and ta exhaust. I made a 13.8 sec run at 98 degrees with a 6000ft da. The best part is that I was young and had no clue how to tune a car then. I was running rich and only had 28 degrees of timing. Long after I put all that in my sisters 68 and before I sold it for her, I got the fueling right and had the timing at 35. That thing really woke up. I regret getting rid of it, but I had no space. Originally I had that motor in a beat to hell '68 GS with a 3:73 and a 4 speed. The guy who built the motor for me had it running right and that car was nuts. I used to take out mid 12 sec cars on the street with that car. I never took it to the track because it would never pass tech inspection.
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http://www.hotrodreference.com/319/big-block-buick-cylinder-head-casting-numbers/
That being said, you can still do cool things with them. The skylark I posted had a '69 430 with '68 400 heads. My heads were not the big port heads, but they were ported pretty well and flow benched. I had a stock ported intake, stock ported exhaust manifolds, TRW 10.0:1 forged pistons, ARP fastners, lunati 116 cam, Crower valve springs, ta adjustable push rods (highly recommended) ta rockers, and ta exhaust. I made a 13.8 sec run at 98 degrees with a 6000ft da. The best part is that I was young and had no clue how to tune a car then. I was running rich and only had 28 degrees of timing. Long after I put all that in my sisters 68 and before I sold it for her, I got the fueling right and had the timing at 35. That thing really woke up. I regret getting rid of it, but I had no space. Originally I had that motor in a beat to hell '68 GS with a 3:73 and a 4 speed. The guy who built the motor for me had it running right and that car was nuts. I used to take out mid 12 sec cars on the street with that car. I never took it to the track because it would never pass tech inspection.
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That is fantastic news! What are the plans? Personally, if the motor is healthy I would put in a cam suited for stock motors, get some better rockers and adjustable push rods, maybe some headers, Edelbrock B4B intake, and try to score a '71 455 Q Jet. Oh, and a good distributor.
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