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#1
03-06-2007, 01:52 AM
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Is propane injection safe for 290k motor?
Hello everyone,
I am just wondering if it would be safe to put a propane injection kit on my 83 300td. I have about 291,000 miles on it, and Im curious if it would be detremental to the engine to do it. If it is safe which kit should I use and how much propane should I inject? Any info will be very much appreciated. Andy
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1983 300DT 284k miles. :-) "The Benzo" 1998 Mustang GT Custom 4.9 L engine. 1997 Dodge ram Pickup 5.9L 
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#2
03-06-2007, 01:55 AM
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Just turn up the full load setting on the injection pump. It's free and has better results.
Propane fumigation is a waste of money.
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#3
03-06-2007, 10:26 AM
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forced, you know thats terrible advice without an intercooler.
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#4
03-06-2007, 11:16 AM
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Is it safe? Depends on your setup.
Is it Fun? YeeHaaa REad this thread: Added Propane Injection to my SD YeeeHaaa
__________________
Closing the store Benzbonz.biz on your smart phone or tablet.
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#5
03-06-2007, 06:35 PM
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Actually, my friend who works at ford, gave me an oil cooler off of a police interceptor. it had a large pipe in the center that has inlets at both ends that u run coolant on the lower radiator hose thru, and there are 2 other tubes that circulate the oil around the outside of the tube in the center. I am actually thinking about trying to make that into an intercooler and running air thru the center section instead of coolant and having water in the oil area and have it cooled with a tranny oil cooler on the front of the rad. i dunno if itll be very efficient but itll be worth a try.
Also, how much can I turn up my IP? Like Could I make a noticible difference in power?
__________________
1983 300DT 284k miles. :-) "The Benzo" 1998 Mustang GT Custom 4.9 L engine. 1997 Dodge ram Pickup 5.9L
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#6
03-06-2007, 06:54 PM
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It will likely be too restrictive. Why not try a purpose built air/water intercooler? Air/water intercooler installed in my 240D
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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver 1982 300SD - 232K miles - Wife's Daily Driver 1986 560SL - Wife's red speed machine
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#7
03-06-2007, 11:54 PM
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Liquid coolers cannot flow enough to work with air. It would choke your engine.
There are good A/W intercoolers on ebay right now for $150.
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#8
03-07-2007, 01:04 AM
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only reason I ask, because normally i know that it wouldnt work, but this cooler has an inch and 1/2 inlet and an inch and 1/2 outlet.
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1983 300DT 284k miles. :-) "The Benzo" 1998 Mustang GT Custom 4.9 L engine. 1997 Dodge ram Pickup 5.9L
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#9
03-07-2007, 03:30 AM
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i think they are referring to the number of bends that the big pipe makes not the actual diameter.
__________________
-Trevor OBK #12 1980 300SD 333,XXX miles - Totaled 1986 Mazda RX-7 212,XXX miles - impounded and auctioned off 2005 Jeep Liberty CRD Limited 33,000- SEGR, Provent, Fumoto
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#10
03-07-2007, 03:37 AM
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Diameter plays a big part of it. 1-1/2" is very restrictive. 2" is the minimum diameter you should consider for an engine this size. 2.5" would be better if you have the space.
What the heck kind of fluid is it cooling to need 1-1/2"dia tubes?  I've seen large hydraulic oil coolers that don't even need tubing that big.
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#11
03-07-2007, 06:38 AM
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Quote:
__________________
http://superturbodiesel.com/images/sig.04.10.jpg 1995 E420 Schwarz 1995 E300 Weiss #1987 300D Sturmmachine #1991 300D Nearly Perfect #1994 E320 Cabriolet #1995 E320 Touring #1985 300D Sedan OBK #42
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