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10-04-2011, 01:28 PM | #1 |
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Pictures of my flathead super charger
I want to put this on a later flathead and I need all the 3 groove pulleys to run it.If you have any pulleys or any ideas for them,please send me a pm.Thanks have a great day Gary
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10-04-2011, 01:39 PM | #2 |
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Re: Pictures of my flathead super charger
Can't help ya, but that's a wicked piece of kit.
Mart. |
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10-04-2011, 01:51 PM | #3 |
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Re: Pictures of my flathead super charger
You've got a 1937 McCulloch there. The first year they made them. They made them for both Mercurys and Fords and the model number designated which one you had. I think I've spoken with you before about you missing your tag.
The tripple pulleys that came with this set up were on 1936 style water pumps that mounted to the head. There was also a triple pulley on the crank, and an idler arm that had a large hard rubber wheel that pulled in on the outside of the belt. These items are probably impossible to find. What you need is the double pulley truck pumps and double pulley crank. Be cautious on the crank pulley though. The crank snout on the earlier engines is a different diameter than the later engines, so there are two different crank double pulleys out there. Avoid the even later tin double pulley that has the two pulleys spaced apart from each other. Here is my 1937 McCulloch. Here is a test fit on my 40 flatty before I installed the double pulleys. The generator mounted further back on the head and ran off the rear pulley. I plan on using a double pulley generator as my idler arm to hold the belts tight. This is a photo of an original install with the triple belts.
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10-04-2011, 01:59 PM | #4 |
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Re: Pictures of my flathead super charger
So, do both carbs get fed gas?
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10-04-2011, 02:08 PM | #5 |
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Re: Pictures of my flathead super charger
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10-04-2011, 02:14 PM | #6 |
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Re: Pictures of my flathead super charger
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10-04-2011, 02:16 PM | #7 |
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Re: Pictures of my flathead super charger
That is very cool. I would love to have something like that on my 37. Or the next car :-)
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10-04-2011, 02:21 PM | #8 |
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Re: Pictures of my flathead super charger
Oh... haha. No. There is only one carb on top of the centrifugal blower.
I am using a second carb to hold the intake up on the ground, but this blower only uses one carb. You can always add a "Y" splitter on top for dual carbs..
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10-04-2011, 04:02 PM | #9 |
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Re: Pictures of my flathead super charger
That is gorgeous Jason!
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10-04-2011, 07:32 PM | #10 |
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Re: Pictures of my flathead super charger
I ran one like Jasons on my 40 for 10 years, I used the truck water pumps with 2 belts and a home made bottom pulley. The 37-48 truck pumps have bearings instead of bushings. All those belts wear out the brass bushing pumps. Walt
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10-04-2011, 07:52 PM | #11 |
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Re: Pictures of my flathead super charger
Wow. I am in utter amazement.
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10-04-2011, 08:50 PM | #12 |
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Re: Pictures of my flathead super charger
Great supercharger Jason. What really surprises me though is the RHD on the hot rod; what, the McCulloch wasn't enough of a conversation starter for you?
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10-04-2011, 10:33 PM | #13 |
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Re: Pictures of my flathead super charger
Ha. No. That is not my yellow 32. That was built by a father son team in Melbourne Australia. Also the super charger on the yellow 32 is a 1938 model McCulloch. It has a different water inlet with one of the water hoses from the radiator going into the top of it and no bolts around the centrifugal top.
The 1937 like mine and super flat's was designed to bolt on to the stock 1936 intake. In the years after the first year, they were sold as more of a complete top kit, intake and super charger.
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10-05-2011, 01:49 PM | #14 |
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Re: Pictures of my flathead super charger
Here's my 37, using pullys made from that stuff We don't talk about. Using Gen for tensioner, looking for parts to make up seperate tensioner. So far have about 8K miles with no problems.
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10-05-2011, 04:08 PM | #15 |
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Re: Pictures of my flathead super charger
Saw a 36 coupe at a cruise this summer with one that was NOS with all the parts.
Didn't have a camera that night. Hope he will drive it to Colchester this month or next year.
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10-07-2011, 03:22 PM | #16 |
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Re: Pictures of my flathead super charger
I want one
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10-22-2011, 11:14 AM | #17 |
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Re: Pictures of my flathead super charger
to the top Thanks Gary
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10-29-2011, 06:59 AM | #18 |
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Re: Pictures of my flathead super charger
is the power provided compairable to a screw blower?
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10-29-2011, 07:56 AM | #19 |
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Re: Pictures of my flathead super charger
'kat, a screw blower is very much more efficient than the early McCulloch, and in fact it is more efficient than a Roots type blower. Google "screw blower" to see the difference between a lobe rotor vs. a screw rotor blower.
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10-29-2011, 08:16 AM | #20 |
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Re: Pictures of my flathead super charger
there's one for sale on ebay right now. too steep for me but will be real nice on somebodies hot flatty.
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