RevMaster 049 Heads

AlteWagen · Troll Joined: February 23, 2007 Posts: 8503 Location: PNW

Has anyone tried any of the new RevMaster heads yet?

Image may have been reduced in size. Click image to view fullscreen.

Look like a cross between the VW 041, Autolinea G03/CB 044, and the AA 502.

Price looks good at $219 each

as do their 5.5 vw rods or 5.6 buick at $119

and 4340 82/84mm cranks at $255.

I know they used to have the long 94 cylinders but dont see them anymore.

http://www.thesamba.com/vw/classifieds/search.php?username=scorpion2

NOTAHONDA · Posted: Sun Jun 16, 2013 5:20 pm Post subject:

I want to hear some feedback as well

mark tucker · Posted: Sun Jun 16, 2013 6:43 pm Post subject:

kinda hard to see the intake ports but kinda look like a straight shot like the street eleminators, like the dogleg is gone, that would be nice. wish it had a D port exhast. also looks like there hemi cut, or that could just be the pic& shiney aluminum.

luckystiff · Posted: Sun Jun 16, 2013 8:10 pm Post subject:

i used a set of their rods in my 2021. nice quality parts esp for the price. they were also great folks to deal with. had i talked to them before ordering other parts i'd probably have a 2180 instead as i would have loved to spend my money with them. customer service speaks volumes...ken....
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CUBA · Samba Member Joined: December 06, 2005 Posts: 454

I saw all there heads at The Classic. Looks like all it is now CNC machined. Ports, intakes and even the fins look superior to CB.

I was sold when I saw them...

fuguboy · Samba Member Joined: December 14, 2004 Posts: 218

DRD are selling ported and unported 049 heads . I wonder if Tims will sell them also ? Wink

MotoGreg · Posted: Mon Jun 17, 2013 9:12 am Post subject:

I just got a set of 049 heads from DRD. Long block is back together but I'm waiting on powder coating for engine tins and some other misc. engine bay stuff right now. Should be running in a week or two.

CUBA · Samba Member Joined: December 06, 2005 Posts: 454

^^^Looks sweet!^^^
What are the spec's on the ports Vavles and chambers?

jfats808 · Posted: Mon Jun 17, 2013 10:02 am Post subject:

Looks like 44x37 valves. How much did they set u back?
Revmaster sells the heads bare apparently so u have to also factor in springs , keepers, retainers and valves. Then u need to lap in the valves. I would rather the guides not be in as well so portung can be done intake to seat as well.
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CUBA · Samba Member Joined: December 06, 2005 Posts: 454

RM makes the head and DRD installs the and laps the Vavles?

Good question... How much did the heads cost total?

mark tucker · Posted: Mon Jun 17, 2013 12:45 pm Post subject:

ok still has the dogleg in the port, not for me.

MotoGreg · Posted: Mon Jun 17, 2013 4:33 pm Post subject:

The ones I pictured above are these... https://www.drdracingheads.com/xcart/DRD-L7-CNC-ported-type1-heads.html

DRD gets the 049 bare castings from Revmaster (without guides installed I would have to assume) and then does his own CNC porting, etc. I believe that he uses this same casting for every level of heads (L3, L5, L6, L7) that he sells, but I'm not positive since I only asked about the L6 and L7. I think he said that he just switched over to the Revmaster castings at the beginning of this year.

On a side note, I've been in the car business since '86 so I'm constantly talking to people about car stuff on a daily basis. Most people don't have a clue... but Darren really knows his shit, after talking with him for a while you begin to realize that he's overqualified for what he does. He's one of those guys who should be working for NASA or something, rather than building VW engines.

jfats808 · Posted: Mon Jun 17, 2013 7:04 pm Post subject:

Darren did my wedgies back some years back. Awesome job. Hes a real smart cat i agree.
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2276 IDA's 86C 11-1 DD !
2017 48 Trijet DRLA's W125

mark tucker · Posted: Mon Jun 17, 2013 7:07 pm Post subject:

hmm I was at nasa last week, and I agree there are lots of guys that cant do squat and then there are some that could work there.I think I could work there....not like it's rocket science or any thing..... but somebodys got to drive that darn thing!!!! I do like the chamber style he has.

CUBA · Samba Member Joined: December 06, 2005 Posts: 454

CUBA · Samba Member Joined: December 06, 2005 Posts: 454

Clean and look bullet proof, thats all I'm saying...

mark tucker · Posted: Tue Jun 18, 2013 1:37 am Post subject:

scorpion2 · Posted: Tue Jun 18, 2013 7:32 pm Post subject:

Let me know if you guys have any questions about this head ?

http://www.thesamba.com/vw/classifieds/detail.php?id=1490829

Quokka42 · Posted: Tue Jun 18, 2013 8:30 pm Post subject:

Any plans to make versions in other bore sizes?
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modok · Posted: Tue Jun 18, 2013 8:35 pm Post subject:

The design looks more carefully modified from OE than some others (044), which is nice.
What kind of valve seats and guides are you using in them?
What is the port size (cc) of the level 5 head?
The ex port flow numbers look low, but low in a good way far as the ratio, how do you dial back the ex flow?


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