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BritishV8 Forum

General Category => Engine, Transmission, & Rear Axle assy. => Topic started by: roverman on April 14, 2021, 12:00:45 PM

Title: 300" Buick Main Bearings ?
Post by: roverman on April 14, 2021, 12:00:45 PM
A.I.R., 4.0-4.6L RV8 is 2.450" dia. ?  On this forged crank, I want to start with 2.500". Where to buy HiPerf. bearings ?
                                                                              Thanks, Art.
Title: Re: 300" Buick Main Bearings ?
Post by: minorv8 on April 14, 2021, 02:01:20 PM
Art, they are 63.500 mm which is pretty close to 2.5".
Title: Re: 300" Buick Main Bearings ?
Post by: roverman on April 15, 2021, 04:04:23 PM
Yes, Thanks, Art.
Title: Re: 300" Buick Main Bearings ?
Post by: MGBV8 on April 16, 2021, 08:31:22 AM
TA Performance used to carry the hi perf for the 455.  Not sure about the 300.
Title: Re: 300" Buick Main Bearings ?
Post by: minorv8 on April 19, 2021, 01:28:17 AM
Assuming you have 4.0/4.6 block and you need bearings for that application check out King Bearings.

www.king-catalog.com/Catalog/Engine/10079073 (4.6 litre)

If you have a 300 block and want to use 4.6 bearings the link includes dimensions for mains bore size. Width of the bearings may be an issue, especially the flanged shell.
Title: Re: 300" Buick Main Bearings ?
Post by: roverman on April 29, 2021, 07:14:39 PM
Thanks Jukka,  Even more, out-there. I'm machining an SBF, 4340 raw forging crank, to fit RV8.
                                                                               Art.
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