Vauxhall Viva 13b engine is in!

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Re: Vauxhall Viva 13b top coat

Postby haza1024 » Mon Jul 14, 2014 11:24 pm

so in the last two months since i primered the car i have done absolutely nothing... work has been so busy but i has let off in the last two weeks so i did this

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got the door shuts painted and the doors on so i could sand the whole car down and paint it

cleaned out my workshop/spray booth and bodged the extractor fan to work for the top coat

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just putting everything back together now

damn i forgot to paint the roof last night... hmmm better not put too much back on :roll:
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Re: Vauxhall Viva 13b engine is in!

Postby hbpeter » Thu Jul 17, 2014 9:25 pm

Looking very good, well done.

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Re: Vauxhall Viva 13b engine is in!

Postby haza1024 » Sun Jan 03, 2016 7:38 pm

Ok long time no update!
I went away again to try some ozzy farming
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Anyway skip a load of swearing boring info about carp you won't be interested in and we are here!
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Long story short, after the paint was all finished I built the car back to how it was before the pre paint strip down.
All was good in the land of Harry and everything was slowly but surely coming together. Got the old girl running (music to my ears) but heavens forbid the engine was smoking like a choked up old diesel... Got it to the mot station and matey said and I quote "not a f****** chance mate" splendid.
We tried everything we could to avoid rebuilding the engine but yep it was needing it, it seemed.

So out the lump came (again) and we set to finding the oil burning issue which turned out to be the oil control rings on the inner sides of the rotors. Apparently this is a common issue.

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After pulling it all apart it was obvious what was wrong with the rings. Non of them were any good so out they came and the rotors went for a nice relaxing dip in the parts cleaner

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Oh well, after about 2 months of waiting I got a new set of rings and rotor housing seals from a company up near Manchester called Hurleys Rotary. Would recommend these guys to anyone with rotary issues, he knew his stuff and was dead straight with what he knew we needed and didn't need.

One thing I'm never ever ever ever doing in any time soon is rebuild in one of these sodding engines.

Pictures will show but if you're not sure you place your front engine iron down and build the engine back to the flywheel. First job though was to fit the new oil rings and the springs that sit lower side of the rings to keep them pushed out on the side walls of the irons to actually stop the oil leaking out past and burning.

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And then the side seals (to hold compression), side seal springs, the little round lugs to keep the apex seals square and the springs that keep them flush the same as the side seals.

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Then simply pop that On the front housing, line it up the right way round and slap the apex seals in (these follow around the inside of the rotor housing to make the compression). Little trick I thought of to stop them falling out was to hold them in with a rubber band until the rotor housing was placed over the top to hold them. Then make sure the top side of the rotor has all its seals,put the crank shaft in.

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Then you can pop your first rotor housing on with its compression and water seals in. Image
Then the middle iron and next rotor
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Remember to take out the rubber band I nearly forgot!
Top iron on bolts in and torqued up ready to go
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New gaskets on the front and new oil drive and chain
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And back in!
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Painted the bulk head cover too :)

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After a while faffing about with it got it running right and tuned up. Goes well and no smoke!
Mot man passed it with an advisory of no more oil sprayed underneath (think he got dirty although I did spray about half a gallon under there the night before!)

No just working on upping the brakes a little bit

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Renault 21 vented disc conversion
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Just working on getting some calipers in there somehow.


Got an issue though if anyone can help. I'm after some hub centric pcd adapters to change my rear wheel pcd from 4x101.6 to 4x108 ford fitment. They make the same wheels that I have, in 15x8 but only in ford fitment. As the viv is the same fitment as mini it's hard to find 15s in that pcd and my top end speed is pretty sh ite so an idea I had was run 15s on the back with a low profile and 13s on the front with a 65/70 profile tyre to give the same outside diameter without looking to drag car silly. So yeah if anyone can help me there that would be
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Re: Vauxhall Viva 13b engine is in!

Postby yoeddynz » Fri Jan 15, 2016 8:53 pm

Awesome!!! So great to see you get this on the road and it looks superb. I like the colour scheme and the low wide look on them wheels. I personally think it looks perfect on 13" wheels. Surely you can get calipers to suit and fit within them?

What part of the Rotary rebuild did you not enjoy or find tricky? I really enjoyed doing mine and found it easier than a piston engine. Less to clean and no specialist tools needed (except the 54mm socket which I just ended up making)

I have dealt with Hurley too. They are friendly and have been into Rotaries for a long long time!

Looking forward to some vids of your car driving. :D
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Re: Vauxhall Viva 13b engine is in!

Postby 1972nail » Fri Jan 15, 2016 9:47 pm

Morris Minors are 101.6 PCD as well and lots of the Minor parts guys do 14 and 15 inch 'Minilight' style wheels for them. MG Midgets are 101.6 as well and loads of 15 inch wheels for them too. What about Metro 6R4, 101.6 again.

What axle are you using? The Magnum 2300 has the highest ratio of all the HC range.
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Re: Vauxhall Viva 13b engine is in!

Postby haza1024 » Sun Jan 17, 2016 11:17 pm

yoeddynz wrote:Awesome!!! So great to see you get this on the road and it looks superb. I like the colour scheme and the low wide look on them wheels. I personally think it looks perfect on 13" wheels. Surely you can get calipers to suit and fit within them?

What part of the Rotary rebuild did you not enjoy or find tricky? I really enjoyed doing mine and found it easier than a piston engine. Less to clean and no specialist tools needed (except the 54mm socket which I just ended up making)

I have dealt with Hurley too. They are friendly and have been into Rotaries for a long long time!

Looking forward to some vids of your car driving. :D


Thanks man, I like the 13s but my gearing is not great just want a pair of 15s for the back!

As for the rotary rebuild it was ok, the only thing I didn't like was trying to get the inner and outer compression seals to stay in when you flipped the housing over to drop down on to the irons. That plus the getting it all together right and proper and torqued up before the sealant went off, sorta added a bit of pressure to the job!
I have a go pro I'm gonna set up once my starter motor gets back from a refurb. Stopped working :/
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Re: Vauxhall Viva 13b engine is in!

Postby haza1024 » Sun Jan 17, 2016 11:21 pm

1972nail wrote:Morris Minors are 101.6 PCD as well and lots of the Minor parts guys do 14 and 15 inch 'Minilight' style wheels for them. MG Midgets are 101.6 as well and loads of 15 inch wheels for them too. What about Metro 6R4, 101.6 again.

What axle are you using? The Magnum 2300 has the highest ratio of all the HC range.


Thanks for the info I will look into it as long as they match the current ones I'll be happy.

I think my axle has a 3.72/1 ratio if you know what that's from. My belief was that it was from an 1800

Anyone have a front crossmember from an 1800 for sale and a pair or reverse lights?
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Re: Vauxhall Viva 13b engine is in!

Postby 1972nail » Mon Jan 18, 2016 7:24 pm

Caliper problem? Try a spaced out Girling M16. They bolt straight on to the OHC uprights and are easy to source from a F@#d Crapee 2.8i. Will fit inside most 13" wheels OK.
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