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Ben Ristic
Tinkerer
Victoria
Soarer UZZ31 V8

Posts: 7
Reg: 09-2007

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Saturday, October 10, 2009 - 07:16 pm, by:  Ben Ristic (Risben) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

.... because I have. A piece of advice for anyone looking to do so - DON'T! For the time I spent cutting, measuring, welding, cutting again, welding again, etc ad nausium, I reckon for the time I spent on them, I could have paid a pro to do it, not to mention welding materials and cutting disks.

Anyway, the story starts here. I got an "amazing" deal ($40) on a set of WB 5L statesman extractors with 2.5" straight through exhaust a while back. Good nick, no problem. Prior to this I had a set of XE 4.1L crossflow extractors that had vibrated a nice huge hole at the primary side of the collector. So I thinks, "well, I have a 1UZ, it needs extractors. I could have a go at that"....

Two grinders, 12 cutting disks, 6 reels of gasless mig weld and three weeks later (one of these was on leave, and I usually get paid double time when I am at work), they're on. Really bad welds, but they seal, and they work, and they sound, well, friggin awesome!

They've been on for almost a month. Almost equal length on the left, a bit out on the right. They do sound kinda purdy into the adapted 2.5" single through two resonators. Mileage is up to 9km/l town driving, but highway remains unchanged (probably because it's a bit loud, so I've been carresing the loud pedal a little less than I usually do).

Save for the fact that the cats got so crumbled from bashing against the trans mount that I've now gutted them to get rid of the rattle and that I now need some new cats, the fact that the right one vibrates againts the bellhousing when turning right and the heat guard when turning left.... all nice lovely burbly sounds.... in a straight line!!

but seriously, thinking back over the whole experience, I reckon I should've just bought a set of rush headers and been done with it. And that's my advice to anyone else thinking about going down this path.

Anone else had similar fun? or have you all gone down the rush header track?

P.S. Did I mention I now need new cats? has anyone got any originals spare from they're upgrade? I don't want to add another 15K to this projects bill.
Miles Baker
Goo Roo
Vic
66 Mustang GT Convertible, 55 Chevy Bel Air, 69 Firebird 455, 69 Nova SS Clone

Posts: 1823
Reg: 08-2005

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Sunday, October 11, 2009 - 01:20 am, by:  Miles Baker (Milesb) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I applaud your efforts! It's a little easier with a kit though. Also glad you're fixing the cats instead of just gutting them.
Paul Knox
Tinkerer
QLD
uzz31's manual and auto

Posts: 23
Reg: 08-2009

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Sunday, October 11, 2009 - 11:23 am, by:  Paul Knox (Surreal) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Ben did you turn the WB and XE extractors into the UZ set or did you start from scratch ?
are they 4-2-1 or 4-1 ?
I'm contemplating the same thing , and Rush only sell the larger size now , wondering if they are too big for a N/A engine, I have no plans to supercharge.
Ben Ristic
Tinkerer
Victoria
Soarer UZZ31 V8

Posts: 10
Reg: 09-2007

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Sunday, October 11, 2009 - 01:38 pm, by:  Ben Ristic (Risben) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Paul, the WB extractors were from and early Holden V8, which meant the spacing between exhaust ports was staggered, so they ended up totally useless as they were. The original idea was to get some with equivalent spacing as the UZ exhaust ports and just weld the port flanges on. As it turned out I cut them all up into bends and straight pieces and worked my way from there - hence the huge number of welds.

To be completely honest, from what I can tell, Windsor/clevo are equally spaced, and would've been a better choice.

I did 4x1.5" into 2x1.75" into 1x2.5" (the last bit might have to come off - I think I have to mount the cats a bit closer), and matched primaries by volume at around 38-40cm in length. I tried to do relatively equal length secondaries too, but space restrictions and lack of leftover bends meant I couldn't.
Mike Beck
Goo Roo
New Zealand
4.0GT UZZ30

Posts: 3826
Reg: 11-2005

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Sunday, October 11, 2009 - 04:58 pm, by:  Mike Beck (Gold_40gt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

For something like this, IMO best to get some pre made ones, like what Neil has on offer, unless you have the time, space and physical ability to do it yourself.
Ben Ristic
Tinkerer
Victoria
Soarer UZZ31 V8

Posts: 11
Reg: 09-2007

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Sunday, October 11, 2009 - 05:29 pm, by:  Ben Ristic (Risben) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I totally agree with you Mike. Had all three.

If Neil still offered the 1.5" primary headers, I would've got 'em.
Paul Knox
Tinkerer
QLD
uzz31's manual and auto

Posts: 25
Reg: 08-2009

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Monday, October 12, 2009 - 11:45 am, by:  Paul Knox (Surreal) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Exactly, The rush headers are a good choice if you are supercharging, if not they are too big. I'm not being difficult, but if you are going to build an engine for a specific purpose and Target power then each component should be chosen carefully and considered for it's merits and also bad points. I think the rush headers are great for a S/C setup , but for N/A are not ideal. Their are no real alternatives except to build your own. So your choice, I think i will choose to build my own.
Neil Griffiths
Goo Roo
NSW
I have a Cadillac and a Supercharged Manual V8

Posts: 4851
Reg: 07-2005

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Monday, October 12, 2009 - 06:42 pm, by:  Neil Griffiths (Aussiesc) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Ben,
I think I have some aftermarket cats from a stock system at the shop. You can have them for the price of the scrap they are worth $100, prolly cost $20 to post them.
sales@rushimports.com.au

Paul,
To save you the heartache, I will do the 1 5/8" set for you if you wish !
Paul Knox
Tinkerer
QLD
uzz31's manual and auto

Posts: 28
Reg: 08-2009

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Tuesday, October 13, 2009 - 11:48 am, by:  Paul Knox (Surreal) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

thankyou Neil, much appreciated. I'm only sorry that i just booked an overseas holiday , so this may have to wait till after christmas.
If the buyer of my old soarer comes good i will accept your offer.
thanks Neil, I may be able to forward a deposit if you want to start the build.
I also PM'd you a little while ago about my clutch setup.
Paul Knox
Tinkerer
QLD
uzz31's manual and auto

Posts: 29
Reg: 08-2009

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Tuesday, October 13, 2009 - 08:12 pm, by:  Paul Knox (Surreal) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Ok , just to add to this , Neil Kindly offered to make the smaller extractors for me , but unfortunately with the W58, they won't fit, so it looks like i'm back to making a custom set if at all possible.
apparently the Slave Cylinder on the W58 gets in the way , i haven't even been under the car to have a look , But if anyone knew what they were talking about it would be NEIL !!
And He did the W58 install.

Looks like this might be a back burner poject.
Ben Ristic
Tinkerer
Victoria
Soarer UZZ31 V8

Posts: 13
Reg: 09-2007

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Friday, October 16, 2009 - 07:55 am, by:  Ben Ristic (Risben) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Something interesting:

http://www.bestmufflers.com/bshop/product_info.php?cPath=157_173&products_id=2754&osCsid=8d061f793b3 22b8544f6095e8509b496
Paul Knox
Tinkerer
QLD
uzz31's manual and auto

Posts: 30
Reg: 08-2009

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Friday, October 16, 2009 - 11:40 am, by:  Paul Knox (Surreal) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Well another alternative turns up, but they don't look like a good design.
Whether they fit in a soarer is another matter, landcruiser has alot more space in the bay than a soarer.
Primaries are all different lengths, and each side is different, so they obviously aren't collecting the correct right cylinders for pulse tuning (firing order), OK for supercharging , not ideal for N/A.
Nice find anyway Ben.

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