Latest W2 heads
#1196077
03/13/12 12:15 AM
03/13/12 12:15 AM
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Joined: Jan 2003
Posts: 17,844 S.E. Michigan
ZIPPY
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S.E. Michigan
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MP still makes W2 heads, seems like the primary customers are sportsman circle track racers? Though aluminum is the rage these days, I dunno....W2 heads look to be just as viable as they ever were.
Haven't been able to get any flow data yet, but these look nicer than the previous ones I have worked with.
Can't find anything ugly that I don't like in the castings, machine work looks clean and so on. Looking for differences new vs. old....if anything the castings have more of a "squared off" appearance on the outer walls of the intake ports (looks like more material?). The deck surface also appears slightly thicker to me than the last ones I had, but that's just from memory.
One thing that stand out...this is one of those oddball parts that the casting number matches the part number, which almost never happens. These are the 769s.
Anyway I got a chance to check them out and maybe you'd like to see them too.
I'm sorry my camera skills kinda suck for getting shots of the bowls...I tried, but the pics of those areas didn't turn out well.
Last edited by ZIPPY; 03/13/12 12:17 AM.
Rich H.
Esse Quam Videri
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Re: Latest W2 heads
[Re: ZIPPY]
#1196078
03/13/12 12:20 AM
03/13/12 12:20 AM
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Joined: Jan 2003
Posts: 17,844 S.E. Michigan
ZIPPY
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Terrible shot of an intake bowl. Sorry.
I gave up trying to get a good shot of the exhaust.
Rich H.
Esse Quam Videri
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Re: Latest W2 heads
[Re: ZIPPY]
#1196080
03/13/12 12:24 AM
03/13/12 12:24 AM
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Joined: Jan 2003
Posts: 17,844 S.E. Michigan
ZIPPY
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exhaust, pretty much what you would expect to see
Rich H.
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Re: Latest W2 heads
[Re: ZIPPY]
#1196081
03/13/12 12:29 AM
03/13/12 12:29 AM
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Joined: Jan 2003
Posts: 17,844 S.E. Michigan
ZIPPY
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Foundry mark. Looks just like the one on a few recent engine blocks, apparently they do some nice work there.
Sorry for the lack of gory details, maybe somebody has flow tested them and can post up...I have not taken the time to ask or look, to be honest.
I mostly intended this as a "hey do you remember them?" kind of deal, and thought I would mention there are some new ones out now.
Rich H.
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Re: Latest W2 heads
[Re: Labratt]
#1196083
03/13/12 12:36 AM
03/13/12 12:36 AM
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Joined: Jan 2003
Posts: 17,844 S.E. Michigan
ZIPPY
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Yes sir, that is indeed a granite surface plate good eye!
Rich H.
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Re: Latest W2 heads
[Re: Brian Hafliger]
#1196085
03/13/12 10:01 AM
03/13/12 10:01 AM
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Joined: Jan 2003
Posts: 17,844 S.E. Michigan
ZIPPY
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Yeah, maybe slightly?
I would trust your opinion on that more than my own!
It's hard to say with any authority because I don't have the old ones around to compare them to anymore...and I'm sure not enough of an expert with them to "remember" the shape. Heck I can hardly remember what I had for lunch yesterday...
Rich H.
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Re: Latest W2 heads
[Re: Dragula]
#1196087
03/13/12 11:12 AM
03/13/12 11:12 AM
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Joined: Jan 2003
Posts: 17,844 S.E. Michigan
ZIPPY
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P5249769 the price is 656 retail, and there looks to be 94 of them available in the depot system.
Rich H.
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Re: Latest W2 heads
[Re: dizuster]
#1196091
03/13/12 02:49 PM
03/13/12 02:49 PM
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Joined: Apr 2007
Posts: 2,026 Trumbull,CT.
jim sciortino
top fuel
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top fuel
Joined: Apr 2007
Posts: 2,026
Trumbull,CT.
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Quote:
As I understand it, they are not all that much better then an Eddy head.
So as a comparison they are a little better. But heavier, use a special intake/rockers, and cost more (quick look put these in the $1100 bare range).
Not too hard to understand why not too many people run them anymore based on that.
I think more circle track guys run them because some rules force "iron heads" on the teams.
The Eddys are a nice, affordable street/mild performance head, but I would run a W-2 over the Eddy in a race effort where cost is not a factor.
I've seen W-2s go 320+ with good air speed and a 15* closed chamber W-2 on a 48* block is no contest, especially if the right guy does the port, chamber and intake work.
Plus, with a little grinding, you can tell the brand Xers they just got drilled by an all iron 340.
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Re: Latest W2 heads
[Re: jim sciortino]
#1196092
03/13/12 03:29 PM
03/13/12 03:29 PM
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Joined: May 2004
Posts: 12,387 Taxes & Virus's R-US, NY
Dragula
I Live Here
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I Live Here
Joined: May 2004
Posts: 12,387
Taxes & Virus's R-US, NY
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Quote:
Quote:
As I understand it, they are not all that much better then an Eddy head.
So as a comparison they are a little better. But heavier, use a special intake/rockers, and cost more (quick look put these in the $1100 bare range).
Not too hard to understand why not too many people run them anymore based on that.
I think more circle track guys run them because some rules force "iron heads" on the teams.
The Eddys are a nice, affordable street/mild performance head, but I would run a W-2 over the Eddy in a race effort where cost is not a factor.
I've seen W-2s go 320+ with good air speed and a 15* closed chamber W-2 on a 48* block is no contest, especially if the right guy does the port, chamber and intake work.
Plus, with a little grinding, you can tell the brand Xers they just got drilled by an all iron 340.
X2
+300cfm, they are the best head for the money...
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Re: Latest W2 heads
[Re: ZIPPY]
#1196093
03/13/12 03:57 PM
03/13/12 03:57 PM
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Joined: Jun 2003
Posts: 52,972 Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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They look like they have more meat in the top of the runner so it could be moved up higher... I dont recall the top of the runner being flush with the VC rail
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