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'91 3vz-replacing heads - what else? #400759 02/16/04 09:24 PM
Anonymous
Unregistered
I searched and found lots of good info, but I want to be sure, since my engine is already apart.

My intention is to repair/replace as much as sensible. I plan to:

1) Have the heads machined and exhaust valves replaced and valves adjusted - all by local shop.

2) Replace Timing Belt and related parts using NWOR Timing Set $137

3) Replace knock sensor wire - do I need to replace knock sensor?

4) Replace head bolts NWOR $50

5) Replace gaskets as provided in NWOR Overhaul gasket set $203

6) Replace PCV Valve, thermostat and thermostat gasket

7) Replace all drive belts and radiator hoses

8) Send Fuel injectors out for cleaning and use NWOR Fuel Injector Overhaul Kit - Gaskets $39

Any opinions on this? I appreciate any feedback, as I may be missing something or doing more than needed.

Thanks,

David

Re: '91 3vz-replacing heads - what else? #400760 02/17/04 06:28 AM
Joined: Feb 2004
Posts: 396
Ganoid Offline
Mudrunner
From my very limited expirence in shopping for toyota parts it looks like NWOR makes thier stuff out of gold as thats the only reason to justify thier high prices. Check out some of the other online catalogs and see what you can find. Heck try calling the local auto parts stores.

Im doing similar things to my newly purchased 1990 xcab truck. Im gonna use DOA heads and cams along with Downey headers. As for gaskets these guys here claim to sell only the best (http://engnbldr.com/toyota3.0V-6.htm) and thier prices seem to be about 1/2 of NWOR's. Im betting NWOR probably hasent built as many race cars as these guys either. Im not as anti NWOR as I sound but when the guy selling 1300$ cylinder heads tells you "Im not sure what NWOR's theory is maybe thay just dont wanna sell parts cause thier parts are way over priced" thats an indication to me that I need to shop somwhere else.


90 Xcab V6
3.0 Rebuilt/Balanced
P/P w/OS valves
Downey Hdrs,Jacobs Ign
5.29's,Tru Trac+Lockright
4"TG SAS+Rear Kit on 35's
(DOA Racing = $1200 lesson <img src="/forums/images/graemlins/angry.gif" alt="" />)
www.performancecylinderheads.com
Re: '91 3vz-replacing heads - what else? #400761 02/18/04 05:44 AM
Joined: Jul 2002
Posts: 22
soundguy Offline
Need a Spot
I have to second that - look around a little more before going with NWOR - or even Downey for that matter. My '95 197K miles, needs valve work and a few other things - so I have done alot of research - The general opinion seems to be that NWOR has poor post sale issues - where Downey is a little more customer friendly. All - Tim @ DOA and Tim @TCR and Ted (engnbldr) are great guys who, as far as my research turns, up have good reputations for fair prices and good work. If there is such a thing as fair with the 3.0. <img src="/forums/images/graemlins/shocked.gif" alt="" />

I am torn between a 3.4 swap and upgrading the 3.0. Both are gonna be some cash - the 3.4 seems to be the best HP per dollar gain <img src="/forums/images/graemlins/kewl.gif" alt="" /> ....darn you TeamShiftPoint!! <img src="/forums/images/graemlins/smile.gif" alt="" /> But that is a different discussion.

Anyway try these couple places..

http://www.doaracingengines.com
http://www.toyotaperformance.com/
http://www.offroadsolutions.com/
http://www.allprooffroad.com/
http://www.yotayard.com/
http://home.4x4wire.com/erik/toyota_info.htm
http://www.toyota-4runner.org/
http://engnbldr.com/toyota3.0V-6.htm

Have fun!!
Aaron

Last edited by soundguy; 02/18/04 09:18 PM.

'95 4 Runner SR5 3.0L 4x4 , A/T, D.O.A. bored T-body, K&N Filtercharger.....

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