Cdr = Cva?
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Cdr = Cva?
I have been on the hunt for a Crankcase Depression Regulator but know one seems to know what it is. I have found a Crankcase Ventilation Adaptor. Could this be the same thing??
Thanks!
Thanks!
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From the FORD manual. Engine crankcase ventilation - emission reduction. 6A665 - CDR. Rubber gromet to air cleaner 6A892, their are several more rubber gromets to the valve cover 6A892, 1809122 C1. These are for a 94 turbo. Road draft tube is getting rid of the valve and running a tube from the valve cover to the below the engine and plugging off the air cleaner tube.
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From: ocala
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What a pain in the fanny
Yup, Had to go to The Local Ford Dealer 'cause nobody else knew what I was talking about. The worst part is that everything is sold separately!!!! and, they only stocked CDR itself which meant they had to order in the o-rings...
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nope no more performance just less oil in the intake.if you look at your air filter hold down bolt It maybe covered in black oil this comes from the cdr valve. from what I heard you either clean it out every 3000 or you may blow a head gasket. so just running a road draft tube takes care of that worry and keeps people from tailgating you(It stinks!!). It may also smoke and drips oil on the ground. I never mined that when I found out that head gaskets take 12 hours to change!.
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From: Norfolk, VA
RDT. road draft tube. i went with the 'slobber tube' as a test, based on advice from a small group of guys with tons of experience on these trucks.
no performance gains should be expected.
if you look at the amount of blow-by (or vapor, or oil mist - whatever you want to call it) these high compression engines produce and then dump back into the air intake, you'd be amazed. i believe the RDT will extend life expectancy more than anything. theory says that the re-introduced blow-by (via the CDR) burns mainly in the rear 2 cylinders (hotter, of course) and may be the cause of problems some experience - mainly with those 2 cylinders.
if you eliminate the CDR & go RDT, a warm engine will produce a lot of visible 'smoke' at idle, but that goes away (either with higher RPMs or the heat that those higher RPMs produce) once you pull away from the stoplight. not real tree-hugger friendly.
glad to help with 'how-to' if needed.
no performance gains should be expected.
if you look at the amount of blow-by (or vapor, or oil mist - whatever you want to call it) these high compression engines produce and then dump back into the air intake, you'd be amazed. i believe the RDT will extend life expectancy more than anything. theory says that the re-introduced blow-by (via the CDR) burns mainly in the rear 2 cylinders (hotter, of course) and may be the cause of problems some experience - mainly with those 2 cylinders.
if you eliminate the CDR & go RDT, a warm engine will produce a lot of visible 'smoke' at idle, but that goes away (either with higher RPMs or the heat that those higher RPMs produce) once you pull away from the stoplight. not real tree-hugger friendly.
glad to help with 'how-to' if needed.
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From: ocala
well i have had the truck now for 3 years and never knew anything on the cdr...so i took it off the other day and cleaned it out...it was pretty nasty, and reinstalled it. i think i'm going to go with the rdt. not worried about oil dripping cause it leaks enough on its own and more smoke at idle....sweet...i am running dual 5 inch stacks, if you want to explain the "how-to" go ahead, but i think i got the idea...thanks!!
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