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04-06-2017, 05:34 PM | #1 |
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Down Draft Intake
Hi,
I know there are a bunch of guys running Strombergs. I just ordered a model 81 for my 1930 coupe. Does anyone have opinions on the Scalded Dog intake manifold? Thanks, Jerry |
04-06-2017, 06:30 PM | #2 |
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Re: Down Draft Intake
I just put one on 2 weeks ago with a Holley 94. Just re-jetted it an hour ago. See what happens now. I also had a warped manifold so I installed on of snyders cast iron header. Much better but you do have to alter or change the exhaust. I will try and get a picture.
Last edited by zzlegend; 04-06-2017 at 06:40 PM. |
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04-06-2017, 06:38 PM | #3 |
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Re: Down Draft Intake
I have a fairly new Snyder's exhaust manifold. I figured I would need to have them machined flat when mounted together.
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04-06-2017, 06:40 PM | #4 |
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Re: Down Draft Intake
Pictures posted. Good luck with yours. I like the manifold.
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04-06-2017, 06:52 PM | #5 | |
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Re: Down Draft Intake
Quote:
Tod |
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04-06-2017, 06:56 PM | #6 |
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Re: Down Draft Intake
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04-06-2017, 07:14 PM | #7 | |
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Re: Down Draft Intake
Quote:
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04-06-2017, 07:17 PM | #8 | |
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Re: Down Draft Intake
Quote:
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04-06-2017, 07:24 PM | #9 | |
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Re: Down Draft Intake
Quote:
Good to hear. The shape and webbing do better at holding stability during machining. The old version was flexible and unstable. I hope it serves you well. Tod |
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04-06-2017, 07:26 PM | #10 |
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Re: Down Draft Intake
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04-06-2017, 07:30 PM | #11 |
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Re: Down Draft Intake
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04-06-2017, 07:32 PM | #12 |
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Re: Down Draft Intake
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04-07-2017, 11:20 AM | #13 |
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Re: Down Draft Intake
IMO.........
The manifold sold by Snyders under part # A 9425-SGL is a better choice for a single carb setup. I believe that this manifold copies the original Winfield design, but adapted for Stromberg/Holley carb base. The manifolds that make sharp 90* turns into the runners allows for a fuel air separation to occur due to low port velocity. Ken |
04-07-2017, 11:29 AM | #14 |
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Re: Down Draft Intake
I agree with rally 1
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04-07-2017, 01:43 PM | #15 |
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Re: Down Draft Intake
rally 1 or Jim Brierley,
I am building a car with a touring engine built for extended road trips. I want strong performance between 1800 and 2800 rpm. Seldom will I hold the rpm's above 3000 for any extended period of time. I ordered the "sharp bend" aluminum manifold (A-9425-SD which is the Scalded Dog" from Snyder's and have not yet installed it. I ordered it because of the heat transfer plate thinking it would be necessary. I have seen different methods of fitting a heating shroud around some downdraft intakes to help warm up the intake manifold. I do not want to have to mess with this issue. I could return the manifold and order the one you both agree is better. So my question: Knowing how I plan to use it and my dislike of building an intake manifold heater, is your opinion still the same? Do you think I should exchange it? Thanks Guys! Good Day! |
04-07-2017, 02:12 PM | #16 |
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Re: Down Draft Intake
Yes, my engine builder had the same concerns regarding the 90 degree bends but he also said that the intake manifold should be heated so ultimately I chose the Scalded Dog. Ordered earlier today. Thanks for the input.
Jerry |
04-07-2017, 02:28 PM | #17 |
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Re: Down Draft Intake
I put the Anson on, the Scalded Dog looks easier to hook up.
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04-07-2017, 02:34 PM | #18 |
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Re: Down Draft Intake
I like the Scalded Dog down draft intake because they have the "Hot Plate" to heat the intake ... prevents "carb icing" and poor running while engine warms up.
In most cases the exhaust headers do not have provisions for using heated intakes. Year round driving here with some cold weather driving really brings out this problem. |
04-07-2017, 02:44 PM | #19 |
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Re: Down Draft Intake
I have had the ScaldedDog for several years now with a 97. The first thin we noticed is it ran smoother at low speeds than the Zenith plus good power up hills.No problems.
I use a carte electric pump with pressure rgulator. John |
04-08-2017, 05:25 AM | #20 |
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Re: Down Draft Intake
I've run both manifolds.
Throttle response with the Ansen/Scalded Dog wasn't acceptable to me. The Snyders design just ran better. While manifold heat definitely helps maintain fuel vaporization, not having it never was a problem for me. Being in Ohio, late fall generally just required a little longer warmup, plus a 180 thermostat. To qualify, my engine(s) are 8:1, Stipe touring cam, tube header, electronic dizzy, Stromberg 97. Currently run twin 97's. Spent a LOT of time working out the ignition timing. I believe compression and ignition are the key components to making these engines run good. Ken |
04-08-2017, 09:21 AM | #21 | |
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Re: Down Draft Intake
Quote:
Good Day! |
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04-08-2017, 11:30 PM | #22 |
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Re: Down Draft Intake
Funny this should come up now. Just yesterday, I was looking at someone else's car and he had put a heating box on the manifold that came with his Weber carb. He says he went down a jet size and the economy is just great - runs well too.
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04-09-2017, 12:19 AM | #23 |
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Re: Down Draft Intake
Here's my Stromberg 97 with the Snyder intake manifold. Don't think the lack of direct contact with the exhaust manifold to create heat has been a problem at all -- even here in Alaska where it doesn't get all that hot, even in the summertime.
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04-09-2017, 06:58 AM | #24 | |
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Re: Down Draft Intake
Quote:
Tod |
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04-09-2017, 04:20 PM | #25 |
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Re: Down Draft Intake
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04-09-2017, 04:39 PM | #26 |
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Re: Down Draft Intake
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04-09-2017, 04:56 PM | #27 | |
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Re: Down Draft Intake
Quote:
Tod Last edited by Tod; 04-09-2017 at 05:22 PM. |
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04-11-2017, 11:14 AM | #28 |
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Re: Down Draft Intake
Been using the Scalded Dog for a few years now with a Stromberg 81. Basically very streetable performance with no issues.
We also have another car with the Ansen intake as well. That's on a mildly modified B engine also with an 91 carb. As far as jets we went with adjustable jets and once they got dialed in we basically have left them alone. |
04-11-2017, 03:27 PM | #29 |
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Re: Down Draft Intake
I have a Scalded Dog with a Stromberg 81 on an engine in an engine stand. Not installed in coupe yet. Cant get the 81 to run. Runs about 5 seconds and quits. 5 seconds and quits. starts immediately runs another 5 seconds and quits. Any suggestions? Engine runs great with Zenits carburetor.
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04-11-2017, 04:15 PM | #30 | |
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Re: Down Draft Intake
Quote:
He is a Fordbarn member and posts on the EV8 Forum. Here is his profile: LINK Uncle max also has a website. Strombergs are his full time business. LINK I had him completely restore a matched pair of 81's for me a few years ago and they were absolute perfection. |
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04-11-2017, 05:11 PM | #31 |
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Re: Down Draft Intake
thanks Mikek. I am following up on the link and a phone call in the morning.
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04-11-2017, 05:34 PM | #32 | |
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Re: Down Draft Intake
Quote:
Are you going to make an intake for two carbs? David Serrano |
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04-11-2017, 06:06 PM | #33 | |
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Re: Down Draft Intake
Quote:
Is that an oil pressure cut off for the fuel? Nice Ride! |
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04-11-2017, 06:15 PM | #34 | ||
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Re: Down Draft Intake
Quote:
Quote:
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04-11-2017, 06:56 PM | #35 | |
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Re: Down Draft Intake
Quote:
Tod Last edited by Tod; 04-12-2017 at 06:15 AM. |
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04-11-2017, 07:44 PM | #36 | |
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Re: Down Draft Intake
Quote:
David Serrano |
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