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Correct 427 COBRA MEDIUM RISER INTAKE-?s
Scored an original no part number, no PVC mounts, Medium Riser Alum Intake similar to my PI Intake w/o and w/ the unique stuff.. I have a Mustang Ford Magazine that lists this manifold as an option and the 427 Highriser as the base model on 427 Cobras.
From the pictures I have it seems to show the manifold under the Turkey Roaster on real 427 Cobras. (1)Just how rare are these? (2)How long did they make them.. Im figuring perhaps from 65-67? |
same one I have. No part # but it has the FOMOCO on it med riser intake. see my gallery.
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I am confused about pics on your gallery
Your gallery has a 2X4V intake on a Shelby block. I thought the genuine 427 Cobras had the famous aluminum Turkey Roaster and I can not see how 2X4s could connect to it. I also have a genuine C7ZX 67 GT500 MR intake but it is the 1X4V that I am after the history of.
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I could be wrong but I think most of the 427 MR engines came with a Shelby "Sidewinder" intake. It features a single carb offset flange that is easy to identify. These are getting fairly rare now days - at least for nice ones and are worth quite a bit.
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Shelby lettered intakes are not Cobra Intakes
May no0t know everything but Shelby intakes were produced later under the Ford Motor Company and never made it on early real Cobras.
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Cracker
Sidewinder was a 67 part so was never delivered on a 65 Cobra. The 427 S/C and Comp Cars were delivered with a single 4 straight up medium riser manifold that was made of Magnesium. The aluminum was used as a replacement and supplement since you could not use anti-freeze in Magnesium. Few survive. The sidewinder was a buzzword and limited to circle track racing, hence the term and the application. A waste on the street or for road racing. Why would you want longer runners to one side of the engine if you ar going straight or turning side to side? Ask the Blue tunder the real tech stuff. I think you will be surprised.
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Cracker
I posted in the new thread by accident and don't know how to move it over..
(fixed it by merging the two...ron) |
Cracker wrote: "I could be wrong but I think most of the 427 MR engines came with a Shelby "Sidewinder" intake. It features a single carb offset flange that is easy to identify. These are getting fairly rare now days - at least for nice ones and are worth quite a bit."
Thanks for the clarification Steve but just for clarification the original poster did not specify '65 in his question and neither did I. Were all 427's in '67 SC/Comp cars? And if not you mentioned an aluminum straight up single four intake can anyone show me a picture of one of these (Computerworks)? I'm not talking about a Blue thunder repro - an actual production intake. Did any of the 427's come from Shelby with Sidewinder's? Just curious. Thanks again for your info Steve - you know more than I! |
Cracker
To my knowledge Shelby stopped making Cobra's in 1966. If there are any titled as 67 or later it was probably due to them not being sold. The comp cars and S/C cars were all made in 1965. The street cars could have either had 2-4 or 1-4. But, not a sidewinder. The straight up no part number aluminum piece would be correct for a 427 street car.
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Cool! I've been around here for awhile and haven't heard of these until now. Does anyone have a picture? I'm just curious.
Thanks again Steve! |
There were a number of original S/Cs delivered with 2x4's.
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Evan
True, but most from what I can see have changed to the one carb and turkey pan set up due to a few reasons.
1-The real comp cars ran that way. 2-The one ran better than the 2 and was more consistant. Most engine builders have experienced that the 427's short-falls are not in the fuel quantity and delivery to the intake. Rather, what to do with it once it gets there. You can bring in all you want but, if the heads can't get it out via limited flow exhaust ports then you did very little to power enhancement. The original single 4 was 780 cfm that took air from an air cleaner that flowed about 350 cfm. That carb was still a bit too much. I raced with a trick 750 cfm. That was all the engine needed with 12:1 and very worked heads. Anything after that lost power. More is not always better and if you didn't see it on the dyno, you just can't tell from the seat of the pants. There is nothing to compare it to. |
Yes. True, true. However, putting performance and quirkiness aside a single 4 or dual quads for S/Cs are both correct. Besides the dual quads are REAL purty and a favorite of waxers nationwide.
From a performance standpoint either is way more than needed for the street anyway. Say, when can I get copies of those Cobra videos and race footage you've got squirled away? ;) |
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..then, you say a 4-bbl is "more than needed for the street"? What's OK? A 2-bbl????? (1x4's rule.) :cool: :p |
Cobra MR Intakes
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1x4 vs 2x4
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1x4 Comp Car Induction
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Byots
Well Said...
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Inductions
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Byots,
Welcome to CC,..... a couple of outstanding posts, The 2x4/1x4 debate has been kicked around here quite a bit, It's great to see some graphic evidence, esp. for us 2x4 guys :D 2x4's retake the throne ! :D |
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