Re: blow by temp fix
[Re: deaks]
#1823096
05/10/15 12:20 AM
05/10/15 12:20 AM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
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About to go away
Joined: Sep 2007
Posts: 14,889
up yours
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Sorry i didn't reply DC, there's an 8 hr difference between us and i've been busy working today. I've tried nothing yet but i may have the exhaust evac parts in the garage. Here's a pic of one of the plugs, oil on the threads but dry and biscuit brown everywhere else. Mick Burning oil is a shiny black coating on the plug, what you show, on that one plug, is pretty much normal looking. What do the other 7 show?
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: blow by temp fix
[Re: 67_Satellite]
#1823206
05/10/15 04:36 AM
05/10/15 04:36 AM
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Joined: Mar 2005
Posts: 1,373 Rancho Cucamonga, CA
D_C
pro stock
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pro stock
Joined: Mar 2005
Posts: 1,373
Rancho Cucamonga, CA
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Looks like everyone has things pretty well covered. I installed the Moroso Crankcase Evacuation Kit around 2002 on my Charger. It pulls a fair vacuum at idle and improves with increased RPM. I mounted Baffle Plates inside the valve covers beneath the breathers to reduce/eliminate oil loss. http://www.moroso.com/eb/web/instructions/25900_inst.pdfLiked the end results so much, I made my own kit from hardware store 1/2-inch pipe, Smog Pump Check Valves, vinyl tubing, breathers and grommets, mounted to the headers, for use on the V8 engine in my CJ5 Jeep. As suggested, people think about the air/fuel mixture above the piston, but may forget about the air below the piston in the crankcase / cylinder block. That air has to move around in the crankcase and energy is wasted in the process and it adds to crankcase windage. Someone figured this out many years back, maybe it was a NASCAR engine builder, at least that was what I had heard back in the day, but maybe it was some amateur racer? By connecting a vacuum pump and creating a partial vacuum in the crankcase, horsepower increased. Bracket racers used to convert Smog Pumps into vacuum pumps for a similar purpose. In any event, there are benefits to creating a partial vacuum in the crankcase.
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Re: blow by temp fix
[Re: deaks]
#1823348
05/10/15 12:25 PM
05/10/15 12:25 PM
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Joined: Feb 2003
Posts: 16,186 Mesa, Arizona
dart4forte
I Live Here
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I Live Here
Joined: Feb 2003
Posts: 16,186
Mesa, Arizona
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I took my challenger to the track monday for the first time since i bought it a few weeks ago and it is pushing a bit of smoke out of the exhaust on one bank at high rpm. It has good oil pressure and sounds fine, makes pretty good power, unfortunately i haven't got a lot of time to mess with it at the moment, so wondered if there's anything i can stick in there to stop it smoking untill i get time to pull it out. I intend to do a comp test in the next week or so just to verify the problem or not ? Mick Are you running mufflers?
“So if it’s on the internet it must be true”
Abe Lincoln
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Re: blow by temp fix
[Re: deaks]
#1823460
05/10/15 02:45 PM
05/10/15 02:45 PM
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Joined: May 2004
Posts: 3,210 robin hood country
deaks
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robin hood country
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Yes they finish at the axle, it's a street strip car, full interior.Why do you ask ?
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200# best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft best 60ft 1.36
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Re: blow by temp fix
[Re: deaks]
#1823474
05/10/15 02:57 PM
05/10/15 02:57 PM
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Joined: May 2004
Posts: 3,210 robin hood country
deaks
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Joined: May 2004
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robin hood country
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Does the probe have to go in the collector, or can it go in the front of the exhaust ?
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200# best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft best 60ft 1.36
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Re: blow by temp fix
[Re: dart4forte]
#1824037
05/11/15 11:22 AM
05/11/15 11:22 AM
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Joined: Feb 2003
Posts: 16,186 Mesa, Arizona
dart4forte
I Live Here
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I Live Here
Joined: Feb 2003
Posts: 16,186
Mesa, Arizona
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I took my challenger to the track monday for the first time since i bought it a few weeks ago and it is pushing a bit of smoke out of the exhaust on one bank at high rpm. It has good oil pressure and sounds fine, makes pretty good power, unfortunately i haven't got a lot of time to mess with it at the moment, so wondered if there's anything i can stick in there to stop it smoking untill i get time to pull it out. I intend to do a comp test in the next week or so just to verify the problem or not ? Mick Are you running mufflers? If you are running an evac type system and mufflers you'll have a back pressure problem. Evac systems are designed for an open system. You may have too much crankcase pressure which is pushing up through your rings. Try unhooking the evac and run some filters and see what happens.
“So if it’s on the internet it must be true”
Abe Lincoln
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Re: blow by temp fix
[Re: deaks]
#1824287
05/11/15 04:45 PM
05/11/15 04:45 PM
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Joined: May 2004
Posts: 3,210 robin hood country
deaks
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Joined: May 2004
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DC I meant the steel tube, i'd rather it went just behind the collector at the front of the exhaust and out the side facing forward at 45 degrees. That way i dont have to pull the headers out. Do you run your headers open at the track or corked up ? Dart4forte I actually have caps near the front like a max wedge exhaust, although i ran it corked up the other week.
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200# best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft best 60ft 1.36
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Re: blow by temp fix
[Re: deaks]
#1824308
05/11/15 05:16 PM
05/11/15 05:16 PM
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Joined: Mar 2005
Posts: 1,373 Rancho Cucamonga, CA
D_C
pro stock
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pro stock
Joined: Mar 2005
Posts: 1,373
Rancho Cucamonga, CA
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I generally leave the mufflers ON and always on the street for the Charger, and mufflers always on the Jeep CJ5.
The Moroso Instructions are fairly explicit about placement of the pipe.
DRAG RACE APPLICATION 1. Remove valve covers and drill a 1-1/8” hole in each cover. On all Moroso “Stamped” Valve Covers, the holes provided will work perfectly. When determining hole location for all other covers, try to find a flat surface that is not directly over a rocker arm oil hole. NOTE: Separators must be installed in a position at right angles to the top of the valve covers to function effectively. See Fig (1) 2. Before installing rubber grommets, remember to cut the bottom ”seal area” off to allow the separator to work. Lubricate the inner surface of the grommet with a touch of oil or grease and twist in the separator. The fit should be tight to help hold crankcase vacuum. 3. Drill a 7/8” hole in the right and left collector directly behind the transition area shown in figure (2). Check valve installs on the top of the collector. 4. Place check valve probe at the proper depth and angle per drawing and weld all the way around for a complete seal. 5. Use a 5/8” high heat or high pressure hose to complete installation. See Fig (3)
I suppose you could experiment with trying to mount the Pipe as near the flange as possible and with a short collector it might work, but then again, it may not be very effective as compared to having the Pipe at the merge-point where all the header tubes meet in the collector.
I know it was a fair amount of work to remove and drill holes in almost New headers, but though I had similar thoughts about mounting the pan Evac pipe in the exhaust pipe instead, from all I read, I didn't think that would be sufficiently effective. Since this isn't a true vacuum pump, I figured I needed the best pipe placement possible and mounting it in the collector was the only recommended placement. I didn't want to go to all that trouble and have it not work.
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Re: blow by temp fix
[Re: deaks]
#1824420
05/11/15 08:11 PM
05/11/15 08:11 PM
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Joined: May 2004
Posts: 3,210 robin hood country
deaks
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Joined: May 2004
Posts: 3,210
robin hood country
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The moroso instructions show the pipe on the top of the collector, i will weld it like your pic because i can do that with the headers on. Do you run pcv's as well ?
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200# best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft best 60ft 1.36
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Re: blow by temp fix
[Re: deaks]
#1824800
05/12/15 08:47 AM
05/12/15 08:47 AM
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Joined: May 2004
Posts: 3,210 robin hood country
deaks
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robin hood country
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I'm thinking of connecting at a 45 degree angle on the side towards the sill of the car, that way i can fit it in situ. What's your feelings on the argument re not using evac on a street car. Thanks for all your help as well DC.
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200# best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft best 60ft 1.36
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