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Old June 1st, 2017, 04:59 AM
bigblockv6 bigblockv6 is offline
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Join Date: Jan 2013
Location: Rohnert Park, ca.
Truck: 1968 KM2500
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Default Re: Magnum Exhaust Manifolds

Yes pictures are worth a thousand words but I did a little experimenting and found out later 305 heads are machined to accept the large port Magnum exhaust manifolds. The 305E I pulled out of my 68 has heads that are machined and the manifolds fit flush to the heads.
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