alan t
Member
Registered: 3rd Sep 06
Location: edinburgh
User status: Offline
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hi there. on this website there seems to be lots of talk about people doing the 16v redtop conversions. i was wondering what is the 8valve engine out of the cavalier sri's like and they any easier to fit than the redtop ones?
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bigrabbelfast
Member
Registered: 18th Mar 06
Location: BELFAST N.I
User status: Offline
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over here in northen ireland its as popular as redtop conversions and sum people turbo them to.two fellas i know have 2.08v turbos running a safe 200hp dyno proven for a couple of years now,grab a copy of total vauxhall from a few months ago with the RR feature in it
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alan t
Member
Registered: 3rd Sep 06
Location: edinburgh
User status: Offline
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cheers mate do u know what is need for the 8v conversion? also what did they use the turbo from? a calibra?
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eel
Member
Registered: 19th Oct 06
User status: Offline
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have u got any pic of a 2.0 8v
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alan t
Member
Registered: 3rd Sep 06
Location: edinburgh
User status: Offline
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no soz mate am thinking about doing a conversion though. im sure the 8v is around 130bhp mark whereas the 16v redtop is about 150bhp. ive heard that the 8v is alot easier to fit though so am trying 2 gather some info if any1 can help
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eel
Member
Registered: 19th Oct 06
User status: Offline
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ok i would love 2 put a 2.0 in my car but dont no how much it will b how much do u think
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Joe
Member
Registered: 20th Jun 04
Location: Hesketh Bank, Lancashire
User status: Offline
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Not all 2.0 8v are 130 BHP, but the ones out of Cav SRI's are. The conversion won't be much easier than an XE as your still removing a smallish engine and fitting a considerably bigger one. So you will still go through most of the same processes.
You will have a fair bit more room around the top end though as obviously its single cam.
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alan t
Member
Registered: 3rd Sep 06
Location: edinburgh
User status: Offline
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cheers 4 that mate. so will still need 2 get custom mounts, driveshafts and hubs? or can these be used from the donor car? also any more info on the turbo'd 8valves is it an aftermarket kit or parts used from other vauxhalls?
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PaulW
Member
Registered: 26th Jan 03
Location: Atherton, Greater Manchester
User status: Offline
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20SEH - 130bhp
20SER - 124bhp (later ones produced 130bhp)
20SE/C20SE - 122bhp
20NE/C20NE - 115bhp
C20NE rods can go upto about 220 to 240bhp before greeting the road, C20XE rods with ARP's can go 290 to 320bhp...
NE rods will rev to 7000rpm, XE rods to 8000rpm...
thats if you want to tune it too...
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Joe
Member
Registered: 20th Jun 04
Location: Hesketh Bank, Lancashire
User status: Offline
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You can buy conversion kits from Lmf Vauxhall
If you dont have Power Steering:
http://www.lmfvauxhall.com/prodCatalog/default.aspx?prodId=749&deptId=114&catId=&catIndex=&deptIndex=8
If you do:
http://www.lmfvauxhall.com/prodCatalog/default.aspx?prodId=753&deptId=115&catId=&catIndex=&deptIndex=8
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alan t
Member
Registered: 3rd Sep 06
Location: edinburgh
User status: Offline
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thanks mate. wat engine is usually found in the cav sri's then or is all of them? was hoping to get around the 150 - 160bhp mark if thats possible without to many problems?
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Joe
Member
Registered: 20th Jun 04
Location: Hesketh Bank, Lancashire
User status: Offline
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The SEH is the SRI engine usually. 20NE is usually found in the more normal ones, GLS models etc.
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PaulW
Member
Registered: 26th Jan 03
Location: Atherton, Greater Manchester
User status: Offline
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Sri16v will be C20XE up until M-reg, and then should be X20XE
SRI 8v can be either the above engines depending on age and designation...
those starting without a C will be pre-cat requirement engines (so before 1989)
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alan t
Member
Registered: 3rd Sep 06
Location: edinburgh
User status: Offline
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ok so its the seh were after then. how tunable are these engines but still keeping reliability?
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PaulW
Member
Registered: 26th Jan 03
Location: Atherton, Greater Manchester
User status: Offline
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tbh depending on the level of tune, I'd get the NE and turbo it... 200bhp out of the box pretty much with management & various other bits...
for cams & mild tuning, SEH, but you will be limited on what you can do tbh, such as carbs or tb's
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alan t
Member
Registered: 3rd Sep 06
Location: edinburgh
User status: Offline
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klkl cheers 4 the advice mate. sounds like a gd plan. wat turbo would be best to use? can parts of the let engines be used? also could the engine and box handle that sort of increase?
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teddytopend
Member
Registered: 3rd Jun 06
User status: Offline
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www.conversionmounts.co.uk can do you your conversion mounts at best prices. 
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alan t
Member
Registered: 3rd Sep 06
Location: edinburgh
User status: Offline
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cheers mate. so any1 know about what turbo to use then?
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