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Tell Me About my W9s #1700715
11/18/14 09:49 PM
11/18/14 09:49 PM
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Alexandria, LA
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Blucuda413 Offline OP
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My son recently picked up a set of W9 heads at a flea market. I don't know anything about them and was hoping someone could give me some insight. The casting number is P4532847, the heads have the ZAP logo with 2569 behind the logo. One head has scribed D5622-2 (6 could be G)directly under the logo. Under the valve cover on top of a intake runner is stamped 967839, the other head has 1049839 stamped in same location. They have been CNC'd and blended. The valves are 2.180 and 1.625. Intake runners have threaded holes for injection. I haven't measured the chambers as yet but they look fairly small. I also found a couple 51's stamped on each head which could be chamber size. I'll measure them soon.

RyanJ webb site says the ZAP W9's are rare but doesn't say if they're unique or just a few cast, any insight helpful. Heads appear older and have some marks and scratches but it looks like they've never been run on an engine.

Thanks, Max

Re: Tell Me About my W9s [Re: Blucuda413] #1700716
11/18/14 09:54 PM
11/18/14 09:54 PM
Joined: Sep 2012
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Janesville, WI
SpareParts Offline
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I have a set of them, they're 59* heads. Mine have 53 stamped on them by someone. The ones I have are Zeus castings.

Re: Tell Me About my W9s [Re: Blucuda413] #1700717
11/18/14 09:57 PM
11/18/14 09:57 PM
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Zeus Aluminum Products (ZAP) was a common maker of the w9. Throw up some pics. Can tell alot more about what you have that way. Sounds like circle track stuff.

Re: Tell Me About my W9s [Re: SpareParts] #1700718
11/18/14 10:08 PM
11/18/14 10:08 PM
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Quote:

they're 59* heads.


I doubt it.

Re: Tell Me About my W9s [Re: SpareParts] #1700719
11/18/14 10:15 PM
11/18/14 10:15 PM
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Ambridge, Pa.
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rickraw Offline
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48* only.

Re: Tell Me About my W9s [Re: rickraw] #1700720
11/18/14 10:24 PM
11/18/14 10:24 PM
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Quote:

48* only.


Rick, they did a 59 version, just hacked away the intake runner. Dont think you can tell them from any numbers stamped or cast into them from a 48 head. 59 versions can be un-ruined with a welder.

The 59 usually had the outer bolt holes shaved off though.

Re: Tell Me About my W9s [Re: Hot 340] #1700721
11/18/14 10:34 PM
11/18/14 10:34 PM
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St. Paul , Mn.
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Quote:

Quote:

48* only.


Rick, they did a 59 version, just hacked away the intake runner. Dont think you can tell them from any numbers stamped or cast into them from a 48 head. 59 versions can be un-ruined with a welder.

The 59 usually had the outer bolt holes shaved off though.




This is my impression.
The trenches cut for pushrod clearance are a dead giveaway on the 59 degree heads and it is a crap shoot whether the outer bolts were removed or not.
I have seen both.
I'd lean toward sprint car or road race with the port injection holes machined.
Nothing that can't be plugged.
I suppose they are worth scrap prices.......I'll even pay shipping.
When you say " flea market " I don't even think I want to know what they sold for.

Re: Tell Me About my W9s [Re: Hot 340] #1700722
11/18/14 11:26 PM
11/18/14 11:26 PM
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Janesville, WI
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Quote:

Quote:

they're 59* heads.


I doubt it.




Buy them from me then. They have that part number and are 59* heads. No outer bolt row. They're in the classifieds here, all ported for ya. I'll be waiting for your pm

Re: Tell Me About my W9s [Re: SpareParts] #1700723
11/18/14 11:47 PM
11/18/14 11:47 PM
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Quote:

Quote:

Quote:

they're 59* heads.


I doubt it.




Buy them from me then. They have that part number and are 59* heads. No outer bolt row. They're in the classifieds here, all ported for ya. I'll be waiting for your pm


They ALL have that part number. and im doubting HIS heads are 59s. I dont care about yours.
Id sell them too.

Re: Tell Me About my W9s [Re: Hot 340] #1700724
11/26/14 12:47 PM
11/26/14 12:47 PM
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Alexandria, LA
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Blucuda413 Offline OP
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I finally have some pictures. The combustion chamber is 51cc by my measurement. Any insight from these pictures would be appreciated!!!

8342441-W9-1.jpg (329 downloads)
Re: Tell Me About my W9s [Re: Blucuda413] #1700725
11/26/14 12:52 PM
11/26/14 12:52 PM
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Alexandria, LA
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Blucuda413 Offline OP
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Sorry, haven't had this prob before.

Re: Tell Me About my W9s [Re: Blucuda413] #1700726
11/26/14 01:36 PM
11/26/14 01:36 PM
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Renton Washington
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Triple Threat Offline
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Quote:

Sorry, haven't had this prob before.




Something no man ever wants to say LOL


-Dustin
67 Dart, 9 second, 392" G3 Hemi
68 Barracuda 340 F/SA
Re: Tell Me About my W9s [Re: Blucuda413] #1700727
11/26/14 02:33 PM
11/26/14 02:33 PM
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sweden
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1Fast340 Offline
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Quote:

Sorry, haven't had this prob before.




Come on lets just have another go at it and see if it works better

Re: Tell Me About my W9s [Re: Blucuda413] #1700728
11/26/14 05:49 PM
11/26/14 05:49 PM
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Romeo MI
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The 2.18 with the injection holes are the sprint
car alky heads... nice heads.. cant say for fact if they
are 48* or 59*... its gonna take rpms or big cubes to
make them efficient... more than likely they flow about
365

Re: Tell Me About my W9s [Re: MR_P_BODY] #1700729
11/26/14 09:27 PM
11/26/14 09:27 PM
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Glendora Ca.
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Just-a-dart Offline
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Good to see you posting again Mr_P



"Just a Bracket car dressed up like a streetcar"
Re: Tell Me About my W9s [Re: Just-a-dart] #1700730
11/26/14 09:41 PM
11/26/14 09:41 PM
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Romeo MI
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Quote:

Good to see you posting again Mr_P




I was up hunting at my other house for a couple of
months and at that place I dont have the net.. but thanks

Re: Tell Me About my W9s [Re: 1Fast340] #1700731
11/26/14 11:26 PM
11/26/14 11:26 PM
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Alexandria, LA
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Blucuda413 Offline OP
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Another go at pictures: Mr P I'm seriously considering 454ci.

8343009-W9-1.jpg (279 downloads)
Re: Tell Me About my W9s [Re: Triple Threat] #1700732
11/26/14 11:51 PM
11/26/14 11:51 PM
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aZLiViN
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Quote:

Quote:

Sorry, haven't had this prob before.




Something no man ever wants to say LOL




......that was some dang goood timing!


pict working for anyone yet?

Re: Tell Me About my W9s [Re: J_BODY] #1700733
11/26/14 11:55 PM
11/26/14 11:55 PM
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St. Paul , Mn.
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Nothing yet........

Re: Tell Me About my W9s [Re: tubtar] #1700734
11/27/14 11:42 AM
11/27/14 11:42 AM
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Alexandria, LA
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Blucuda413 Offline OP
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My son will be here today so he can probably show me how to get these pictures posted. BTW, HAPPY THANKSGIVING!!!!

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