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Intake Heater on two stroke Detroit


Installed a Lucas style intake heater on the newly re-build 2-53. Plug style heater is an in-stock...

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  #1  
Old 01-17-2011, 12:25 PM
miltruck miltruck is offline
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Default Intake Heater on two stroke Detroit

Installed a Lucas style intake heater on the newly re-build 2-53. Plug style heater is an in-stock item @ Tractor Supply for about $30. Tank is from JEGs and used as an overflow tank for cars/trucks. Fired the heater w/o cranking engine, and elbow got quite hot after only a minute or so. A quart of fuel should last for months!
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Old 01-17-2011, 02:27 PM
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Talking Re: Intake Heater on two stroke Detroit

Very Nice...
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Old 01-17-2011, 03:48 PM
heins heins is offline
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Default Re: Intake Heater on two stroke Detroit

Where does the fuel burn?
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Old 01-17-2011, 03:55 PM
miltruck miltruck is offline
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Default Re: Intake Heater on two stroke Detroit

The plug looking thing in the photo is the heater and control valve all in one. When you apply 12V to the terminal, a heat coil inside heats up and releases fuel directly on to the hot wire, which bursts into flame, inside the intake pipe. If you crank the engine, it pulls the hot air down into the blower (on a Detroit) and on into the cylinders. On the old Long tractor we had, you would preheat, then crank w/ the heat on until it started. If it turned over good, it always started (down to -20F was about the coldest we tried it).
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Old 01-17-2011, 05:01 PM
K-Tron K-Tron is offline
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Default Re: Intake Heater on two stroke Detroit

Is your 2-53 also equipped with a block heater?
I have seen them mounted in the coolant openings on the sides of the block, or on the cylinder head.

This looks like a safer, more effective air heater than the Bendix Exciter spark based intake heater my 6V53T has.

Chris
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Old 01-17-2011, 06:34 PM
miltruck miltruck is offline
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Default Re: Intake Heater on two stroke Detroit

No coolant heater. If you look at the starter side of the engine, you can see the coolant filter hose, I would put a tank style heater there. All the coolant holes/plates are being used, with the filter setup or the air compressor lines.

Our Mack powered 5 ton truck has the Bendix type heater in the intake and when it works, it's great. Problem is they have too many parts and pieces, where the Lucas type is very simple and cheap. I may install an oil heater in the cast pan, using a 300 or 400 watt element which you should be able to leave on for 24 hrs.
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Old 01-17-2011, 09:08 PM
westcoaster westcoaster is offline
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Default Re: Intake Heater on two stroke Detroit

Is that a '63 to '65 Buick Riviera I see in the background?
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Old 01-18-2011, 10:24 AM
miltruck miltruck is offline
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Default Re: Intake Heater on two stroke Detroit

1967 Ford Gal 500XL w/ 4 speed, buckets and 427 SOHC.
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Old 01-19-2011, 03:14 AM
westcoaster westcoaster is offline
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Default Re: Intake Heater on two stroke Detroit

Quote:
Originally Posted by miltruck View Post
1967 Ford Gal 500XL w/ 4 speed, buckets and 427 SOHC.


WOOOT!

I got the decade right!:

uhoh:
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Old 01-19-2011, 12:40 PM
RSCurtis RSCurtis is offline
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Default Re: Intake Heater on two stroke Detroit

Two thoughts come to mind about this. First, wouldn't it have been simpler just to install an ether system? Second, would the flame heater have any adverse effect on the blower? Perhaps the flame heater would be more effective were it installed into the air box cover opposite the blower.
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Old 01-20-2011, 09:28 AM
Combustor Combustor is offline
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Default Re: Intake Heater on two stroke Detroit

Hello Miltruck,
Another thought on Lucas heaters, their fuel was supplied from the pressure side of the lift pump, at about 5 or 7 PSI. Will your gravity feed supply enough pressure to feed a good flame? On the other hand, I recall GM 71 series used primary pressure round 40 PSI, which could be way too much. Hope it works OK for you, regards, Combustor.
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Old 01-20-2011, 11:39 AM
miltruck miltruck is offline
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Default Re: Intake Heater on two stroke Detroit

Don't think with limited use that the heater will hurt the blower. Don't really like ether (but have setups on two other engines) so that is why I thought we would try this type.

Have seen the hookups on Perkins and Deutz engines where the return line fed the heater. Also a tank was used on some other engines (SAME I think). Already tried it with the tank feed before I installed it on the engine, and it made a good amount of flame with no pressure. On our old Long tractor, we would fire the heater w/o cranking the engine so there was no pressure in the system at that point.
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