427 Hemi??
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Freshman User
Joined: Mar 2003
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From: Prague, NE
427 Hemi??
The guy that built my upright headers for my pulling truck was also working on a custom frame for a 57 Fairlane. The engine in the car was a 427 SOHC Hemi. The engine was very impressive looking and unlike anything I have ever seen. How rare is this engine, most likely where did the engine originate, and does anyone know any sources to find out more facts about these engines?
Lead Driver
Joined: Jan 2003
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From: Ohio
The SOHC(single overhead cam) 427 was built back in the late 60's for competition against the Chrysler 426 Hemi. They were based on a 427 but had single cams in each head. They were driven by a 6ft long timing chain. Yes, 6ft. It had a regular timing chain running a stub shaft in the original cam position, then the long chain ran from it to the heads. The stub shaft was needed to keep oil running up to the main galley. All oil is fed thru the first cam bearing area.
The motor was rated at near 650 hp. It was run near 7200 rpm to make that power. It was never truely offered in any Ford product, but you could buy the heads/pieces from your local dealer and build it yourself. It was soon outlawed in Nascar and never seen again. It was run in early 70's in dragsters until the Chrysler design took over and til this day is still run.
All in all it was quite an engineering masterpiece. IF you can find the parts, you too can build one. If you thought a 390 was expensive to rebuild......
http://www.geocities.com/infieldg/v8sohc427.html
Check this place for pictures and info.
Larry
The motor was rated at near 650 hp. It was run near 7200 rpm to make that power. It was never truely offered in any Ford product, but you could buy the heads/pieces from your local dealer and build it yourself. It was soon outlawed in Nascar and never seen again. It was run in early 70's in dragsters until the Chrysler design took over and til this day is still run.
All in all it was quite an engineering masterpiece. IF you can find the parts, you too can build one. If you thought a 390 was expensive to rebuild......
http://www.geocities.com/infieldg/v8sohc427.html
Check this place for pictures and info.
Larry
Last edited by Freightrain; Jan 28, 2004 at 01:18 PM.
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From: Long Island USA
Originally posted by Freightrain
It had a regular timing chain running a stub shaft in the original cam position, then the long chain ran from it to the heads. for competition against the Chrysler 426 Hemi. They The stub shaft was needed to keep oil running up to the main galley. All oil is fed thru the first cam bearing area.
It had a regular timing chain running a stub shaft in the original cam position, then the long chain ran from it to the heads. for competition against the Chrysler 426 Hemi. They The stub shaft was needed to keep oil running up to the main galley. All oil is fed thru the first cam bearing area.
Lead Driver
Joined: Jan 2003
Posts: 9,893
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From: Ohio
There were a couple tensioners and chain guides to help things along.
I know DOVE manufacturing made a GEAR DRIVE for this motor. Man, was that a feat.
Someday I'd like to own one of these motors. But, at the cost I dont see it happening to quick.
I have a friend who owns Hayden Proffits altered wheelbase 65 Comet and it has a Hilborn Injected SOHC motor in it, including a 4 spd. COOL car. It has been completely restored nut and bolt.
Larry
I know DOVE manufacturing made a GEAR DRIVE for this motor. Man, was that a feat.
Someday I'd like to own one of these motors. But, at the cost I dont see it happening to quick.
I have a friend who owns Hayden Proffits altered wheelbase 65 Comet and it has a Hilborn Injected SOHC motor in it, including a 4 spd. COOL car. It has been completely restored nut and bolt.
Larry
Elder User
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Actually, the Cammer was never allowed to run in NASCAR. NASCAR had enough of the horsepower wars and put their foot down. As a result, Ford teams didn't boycott NASCAR the way the Mopar teams did when NASCAR wouldn't allow the Hemi, but they did get very lax about showing up for races for awhile after.
Hard to imagine any such thing in today's NASCAR.
The Cammer would be a lousy street engine. As mentioned, almost all the HP and torque comes above 4000 RPM.
Hard to imagine any such thing in today's NASCAR.
The Cammer would be a lousy street engine. As mentioned, almost all the HP and torque comes above 4000 RPM.
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Hotshot
Joined: May 2003
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From: south louisiana
The reason Nascar wouldn't allow the SOHC was to keep the Europeans out of it. The SOHC was introduced in 65, and the HP war in Nascar went on for quite sometime afterwards. The Shotgun Hemi was Ford's answer to Nascar's not allowing the SOHC. The SOHC was offered thru the dealers as a complete crate engine in addition to the individual parts. It was campaigned extensively in the mid to late 60's in Topfuel dragsters and the early funny cars.
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Hotshot
Joined: May 2003
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From: south louisiana
Originally posted by Ratsmoker
I thought the chain was 8 feet long?
I thought the chain was 8 feet long?
Last edited by Ratsmoker; Jan 31, 2004 at 04:00 PM.
Lead Driver
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From: Ohio
One book I have says to advance right cam 4 deg, retard left 4 degs. This will get you straight up at 7000 rpm . (something like that anyway)
I think I would like to try one on the street, maybe with a blower too. I think I could put up with it.
Larry
. (something like that anyway)I think I would like to try one on the street, maybe with a blower too
. I think I could put up with it.Larry
Elder User
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So NASCAR outlawed OHC motors across the board to keep it all American?
Funny, now they are letting Toyota in. With all the changes taking place, I decided it was a good time just to quit following it. I don't like rice burners in NASCAR - I hate the "Lucky Dog" rule, and I don't care for any of the new drivers. Now they changed the points rule because Kenseth (and Ford) won it last year with consistency.
NASCAR hates it when Ch*vy loses. This has been going on for years.
Funny, now they are letting Toyota in. With all the changes taking place, I decided it was a good time just to quit following it. I don't like rice burners in NASCAR - I hate the "Lucky Dog" rule, and I don't care for any of the new drivers. Now they changed the points rule because Kenseth (and Ford) won it last year with consistency.
NASCAR hates it when Ch*vy loses. This has been going on for years.
Hotshot
Joined: May 2003
Posts: 11,141
Likes: 25
From: south louisiana
Yea, what a difference 30-40 years makes.( letting Toyota in) while somethings change , others stay the same ( Chevy's been Nascar's favorite since the early 70's) I wish the good old days would return, when Ford and Mopar and the 426-427's were king.
Lead Driver
Joined: Jan 2003
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From: Ohio
The only time I will watch Nascar is when it's on Speed channel and they are showing 1969 Talledaga
The sound of all them big blocks roar'n around the track, slipp'n and slid'n. Now THAT'S racin'.
This new crap is all about the hype
Larry
The sound of all them big blocks roar'n around the track, slipp'n and slid'n. Now THAT'S racin'.
This new crap is all about the hype
Larry
