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FE Power Forums => FE Technical Forum => Topic started by: allrightmike on June 02, 2026, 07:03:52 AM

Title: Hydraulic 427 production
Post by: allrightmike on June 02, 2026, 07:03:52 AM

Were all street 427 top oiler engines solid lifter only? Also what is the rundown for side oilers? And while we're at it the marine and industrial 427 engines.

Title: Re: Hydraulic 427 production
Post by: My427stang on June 02, 2026, 08:51:57 AM

I have never seen a center/top oiler with hydraulics, at least one that wasn't drilled by someone later

Side oilers I have seen, 68-72, not sure if they continued later, but D2 has been the latest I have had my hands on.

Title: Re: Hydraulic 427 production
Post by: pbf777 on June 02, 2026, 05:41:51 PM

      To the best of my knowledge (which isn't terribly great) the only O.E.M. "street" (not "marine" or "industrial", etc.) 427 cu. in. hydraulic cam engine examples were in the 1968 Mercury Cougar 7.0 Litre GT-E's.  But that was a "side-oiler".   :)

       Scott.

Title: Re: Hydraulic 427 production
Post by: allrightmike on June 02, 2026, 08:39:54 PM

Thanks for the reply guys...sort of what I thought. I advised a friend who at the time was building a top oiler 427 to not use the Lemons rods. He used them anyway and is now on his second build because of...you guessed it, rods. So now his builder is talking hydraulic roller. I tried to tell him, we'll see. ::)

Title: Re: Hydraulic 427 production
Post by: Stangman on June 02, 2026, 10:12:28 PM

I thought the cougar GT-E 427 was a hydraulic motor.

Title: Re: Hydraulic 427 production
Post by: 428kidd on June 03, 2026, 07:49:28 AM

It is but its also a 68.