NWMO 52 Chevy
Contributor
Posts: 580
Loc: Northwest Missouri
Reg: 11-10-10
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 06-23-12 08:37 PM - Post#2240637
Good Evening all,
Well, I worked on the 52 some today. Got the hood off, looked at and thought about my brakes and started it up to run a little bit. I'm still watching things pretty close and before long I can see a little smoke INSIDE the car!!
I'm not sure what changed (I've started and run the car a number of times), but today the 12V battery fried the stereo. My wife did say my younger son was playing with the knobs etc. (would turning the radio on make a difference?)
Not really surprised, but would have thought it would have blown the inline fuse, not start to melt the radio inards. At any rate, I felt around, figured out what was melting and got the inline fuse pulled. 
Now, since I didn't burn the car up today, I have a question. Is the little spring that controls the butterfly valve in the exhaust line available through NAPA or do I need to get one from the Filling Station or other specialty store?
Also, I removed the little stub of exhaust that had been on there. Is is ok to run the car without any pipe? I am planning on just running a straight pipe for the time being, is that OK? I don't want to create a spark thrower and I wasn't sure if some back pressure was desirable for the motor.
Lastly, my other boo-boo today was putting the spring back on the carb wrong, in this case full throttle. And, as Murphy predicts, it started on the first bump and zipped right up there. Fortunately I was starting it from the front seat and in about one second turned it off, startled me though.
Chris
Edited by NWMO 52 Chevy on 06-23-12 08:39 PM. Reason for edit: No reason given.
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 2blu52
"12th Year" Silver Supporting Member
Posts: 13086
Age: 79
Loc: Montana
Reg: 03-12-02
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06-24-12 06:25 AM - Post#2240701
In response to NWMO 52 Chevy
The thermostatic spring may not be available at NAPA but all the reproduction parts houses sell them. You need to consult the manual for the proper installation, as it is directional. Running an engine with out exuaust should not hurt it but coming straight out of the manifold the noies would be irritating to me. Straight pipes are horrible (my opinion) Opinion based on a 49 convertible with dual straights, never heard any one say it sounded good. 
"PEACE IS THAT GLORIUS MOMENT IN HISTORY WHEN EVERY ONE STANDS AROUND RELOADING"
THOMAS JEFFERSON |
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 usmile4
"6th Year Gold Supporting Member
Posts: 3084
Age: 66
Loc: Naperville, Illinois
Reg: 08-12-05
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06-24-12 06:36 AM - Post#2240710
In response to 2blu52
I would not run the car with no pipe. You will be dumping exhaust into your engine compartment and then it can suck right into the inside of the car. If you don't want to put any pipes on it for a while, then I would at least get a long piece of flex tube and drop it down from the manifold and exit it out the edge of the wheel opening.
Turning the radio on should not make a difference. I too would have thought the inline would have gone. Just look at it this way...better in your shop than when on the road driving 60 mph in traffic!
Bill Gommel
49 chevy Styleline (Sold), 51 Styleline 2 dr Special, 235 (from a 61 truck) bored .060 over, Dual Carter/Webers, Fenton Headers, T5- 5 speed with a 56 rear end. |
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NWMO 52 Chevy
Contributor
Posts: 580
Loc: Northwest Missouri
Reg: 11-10-10
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06-24-12 11:26 AM - Post#2240778
In response to usmile4
Thanks guys,
I won't drive the car w/o an exhaust pipe. The exhaust doesnt' have to look at all to find a path into the front seat, Fred Flinstone could drive my rig. Even the staight pipe would be a temp fix until I get some other issues worked out. I think my buddy has a bender, so I should be able to get by with a straight section of pipe and bend it to exhaust some place in front of the driver's side rear tire. A freind at church has offered the use of a dual exhaust set up that I will be working towards as the car comes along.
Chris
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bobg1951chevy
"6th Year" Silver Supporting Member
Posts: 4900
Loc: Ellijay, GA
Reg: 02-18-08
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06-24-12 03:54 PM - Post#2240872
In response to NWMO 52 Chevy
It was my understanding running with manifolds only would allow cool/cold air to enter manifold, upon shut down, with the possibility of warping valves. With a long straight pipe attached to manifold, cool air will not get back to the valves.
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one4dad
Contributor
Posts: 491
Age: 70
Loc: Baton Rouge La
Reg: 01-17-10
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06-24-12 07:53 PM - Post#2240969
In response to bobg1951chevy
I have always been told the same. you will see drag racers with zoomies put tennis balls on the pipes right after the run
Bill Wilson - 51 styleline Deluxe 2 door three speed , fentons and offy 2 carb manifold - is now a 235
Also a 1950 Chevy 2 door styleline deluxe, great patina , no running gear |
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