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Alan Nyhus · 02-12-2009, 09:02 AM

The few '61 production 409's were all the 360 horse rigs...basically a 409 short block with the h.p. 348 cyl heads and single alum. AFB intake. In the late '80s/early '90's, I did a lot of buying and selling of 61-64 409 cars and parts. At one time I had a dozen complete motors including a rare '64 409-400 hp. motor...which was like the '64 409-425 dual quad motor but with a single AFB on an alum. intake. One of the 409-425 dual quad motors I did went into a '63 Bel Aire that was a Super Chevy winner at Indy.

The rotating assy. is heavy as heck..but so is a Hemi, right? HaHaHa!

P.S. If you make up an alum. valley cover, the Chrysler 'B' motor intake runners are almost a perfect match up for the factory W motor intake port spacing. Think Edelbrock Victor 383......grin.

02-12-2009, 09:02 AM	#11
Alan Nyhus VIP Member Join Date: Dec 2002 Location: Lower Dakota territory Posts: 1,180 Likes: 1,074 Liked 799 Times in 236 Posts	Re: 1961 Chevy 409 info wanted: The few '61 production 409's were all the 360 horse rigs...basically a 409 short block with the h.p. 348 cyl heads and single alum. AFB intake. In the late '80s/early '90's, I did a lot of buying and selling of 61-64 409 cars and parts. At one time I had a dozen complete motors including a rare '64 409-400 hp. motor...which was like the '64 409-425 dual quad motor but with a single AFB on an alum. intake. One of the 409-425 dual quad motors I did went into a '63 Bel Aire that was a Super Chevy winner at Indy. The rotating assy. is heavy as heck..but so is a Hemi, right? HaHaHa! P.S. If you make up an alum. valley cover, the Chrysler 'B' motor intake runners are almost a perfect match up for the factory W motor intake port spacing. Think Edelbrock Victor 383......grin.