[urq] WX head build recommendations

[Bill Bennett]

putting a MC head on a WX block is nutts, hydraulic lifters suck wind
----- Original Message ----- 
From: "Brandon Rogers" <brogers at terrix.com>
To: <seiche at shadetreesoftware.com>; 
<Louis-Alain_Richard at computerhorizons.com>
Cc: <urq at audifans.com>; <urq-bounces at audifans.com>
Sent: Friday, April 22, 2005 8:28 AM
Subject: Re: [urq] WX head build recommendations


> The MC head will bolt onto a WX block - however there is, IIRC , an oil 
> galley that needs to sealed off by welding.  I'm sure there are guys who 
> know exactly what I'm talking about.
>
> Based on my 10V head rebuild a few years ago (2001) I have to agreee 100% 
> with Steve regarding the pressure testing of WX heads.  I had a hell of a 
> time with that.  Chris at Force 5 even pulled a head off a running car for 
> me, only to have it fail the pressure test...
>
> Brandon
> ----- Original Message ----- 
> From: <Louis-Alain_Richard at computerhorizons.com>
> To: <seiche at shadetreesoftware.com>
> Cc: <urq at audifans.com>; <urq-bounces at audifans.com>
> Sent: Friday, April 22, 2005 8:02 AM
> Subject: Re: [urq] WX head build recommendations
>
>
>>
>>
>>
>>
>>
>> Steve,
>> I was with Brady last night: we discussed the merit of some 10V heads and
>> we have a few questions for you:
>> Is it possible to bolt an MC head on the WX block ?
>> If not, what are the options for a mild street engine with a custom EFI
>> setup ?
>> If he must keep the WX, then what are the drawbacks of this head with
>> regards to cam, valves, flow, lifters, etc ?
>>
>> Thanks in advance,
>>
>> Louis-Alain
>>
>>
>>
>>
>>
>>
>>             Steve Eiche
>>             <seiche at shadetree
>>             software.com>                                              To
>>             Sent by:                  bradym at sympatico.ca,
>>             urq-bounces at audif         urq at audifans.com
>>             ans.com                                                    cc
>>
>>                                                                   Subject
>>             2005-04-21 12:20          Re: [urq] WX head build
>>                                       recommendations
>>
>>             Please respond to
>>             seiche at shadetrees
>>                oftware.com
>>
>>
>>
>>
>>
>>
>> Brady,
>> Before you go ordering big valves, etc.  It would be wise to pull the 
>> head
>> and have it pressure tested.  WX heads are prone to cracking, which is
>> terminal.  Good WX heads are rare as hens teeth.  I might go so far as to
>> recommend spending your money on an MC engine, which will give you longer
>> life, especially once you turn up the boost.
>>
>> Just my .02
>>
>> Steve
>>
>>
>>
>> Brady wrote:
>>
>> Hi All,
>>
>> It's been awhile, but now that my home computer seems to be working 
>> again,
>> I'm back. And it's good to be back!
>>
>> It looks like I'll have to pull the head on my 83 urq very soon since the
>> car puffs sweet-smelling white smoke on startup. The oil and coolant are
>> both clean, and, for the moment, there are no other signs of impending
>> doom.
>> The dry compression test, on a cold engine that had sat all night, 
>> yielded
>> the following:
>> Cylinder 1: 117psi
>> Cylinder 2: 130psi
>> Cylinder 3: 105psi
>> Cylinder 4: 130psi
>> Cylinder 5: 122psi.
>>
>> I've already ordered the ARP head stud kit, and I'm wondering if anyone
>> knows for sure if a 3B/AAN head gasket will work on a WX. Also, should I
>> have bigger valves fitted? Anyone have a WR cam for sale??
>>
>> The car is currently running 1bar boost on a stock
>> intake/turbo/engine/exhaust manifold, and is controlled by an 034efi 
>> Stage
>> IIc ECU. In the future, I'll turn up the boost, so I'd like to build a
>> strong head while it's open.
>>
>> Suggestions?
>>
>>
>> Cheers, Brady
>> 83 urq, 60,000miles
>> 86 4kq, 361,000km
>> 72 240Z, 165,000miles
>>
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