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Author engine mods in a 1.2
samuel6240
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Registered: 10th Jan 08
Location: Airdrie, North Lanarkshire
User status: Offline
22nd Apr 09 at 22:02   View User's Profile U2U Member Reply With Quote
right i know most of yous will laugh, but iam looking for advice on engine mods on a 1.2 8v 1995. already got a induction kit and exhaust on it but iam looking for some extra kick out of the sloww engine, was thinking a set of bike carbs would be pretty diffrent if it can be done ? or meby high lift cams? any helps would be appreciated.

and no i dont want to put a bigger engine in it , thanks again xxx
flybikeslee
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Registered: 2nd Jan 07
Location: Liverpool
User status: Offline
23rd Apr 09 at 00:49   View User's Profile U2U Member Reply With Quote
dont bother tbh
Ste
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Registered: 5th Mar 03
Location: Taif, Saudi Arabia
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23rd Apr 09 at 02:05   View Garage View User's Profile U2U Member Reply With Quote
Honestly, you will be wasting money. There is a reason no-one modifies these engines. They are designed for wholly one purpose, and that is to be slow and economic. Why not stick a smaller engine in, like an R1 bike engine. 145bhp and it's a 1 litre

[Edited on 23-04-2009 by Ste W]

I would rather lose by a mile because i built my own car, than win by an inch because someone else built it for me.
Cheese Man Chris
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Registered: 25th Sep 07
Location: Leeds Drives:1.2 Merit
User status: Offline
23rd Apr 09 at 09:20   View User's Profile U2U Member Reply With Quote
Change the "95 chip thing" (top left) to a 97 from an astra. No idea if it makes any differance but word on the grape vine is it does.
tomo9992
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Registered: 23rd Aug 08
Location: rotherham
User status: Offline
23rd Apr 09 at 11:05   View User's Profile U2U Member Reply With Quote
put a 1litre in, there quicker arnt they?

or a 1.4/1.6 engine, can get 1 for about £150 from scrappys if your lucky
samuel6240
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Registered: 10th Jan 08
Location: Airdrie, North Lanarkshire
User status: Offline
23rd Apr 09 at 20:15   View User's Profile U2U Member Reply With Quote
thanks for the advice, would like to fit a 1.6 but want something rather diffrent.

how hard would fitting a r1 engine be? any ideas of a cost?

thanks x
tomo9992
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Registered: 23rd Aug 08
Location: rotherham
User status: Offline
23rd Apr 09 at 21:59   View User's Profile U2U Member Reply With Quote
not sure pal, i would assume engine and gear box would take alot of modding, and wont be cheap.

not a back yard job if ya dont know what your doing
john_c20xe
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Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline
23rd Apr 09 at 23:01   View User's Profile U2U Member Reply With Quote
there was a 1.2 turbo lump on ebay a while back 145 bhp aprently
am4nf
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Registered: 27th Jul 08
Location: South Ayrshire Drives: Corsa Sport
User status: Offline
23rd Apr 09 at 23:22   View User's Profile U2U Member Reply With Quote
i think i seen that, or it might have been a car, but the ad said 145 odd proven on a dyno, then the printout only read 85
john_c20xe
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Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline
24th Apr 09 at 09:32   View User's Profile U2U Member Reply With Quote
oh lol
Joel_Sxi
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Registered: 23rd Apr 09
Location: Wirral
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24th Apr 09 at 10:08   View User's Profile U2U Member Reply With Quote
pointless
john_c20xe
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Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline
24th Apr 09 at 10:15   View User's Profile U2U Member Reply With Quote
im sure you can spend some money on the 1.2 tho and turbo it and get some go results,
get the pistons machined out to lower the compression a bit, or a decompression plate ect,

make the engine safe then wind the boost up should show some good results
FlaFFy_91
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Registered: 30th Sep 08
Location: Formby, Merseyside
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24th Apr 09 at 11:07   View Garage View User's Profile U2U Member Reply With Quote
i wouldnt spend the money on modding a 1.2 bud
save up and get a new engine full stop
or a new car
am4nf
Member
Registered: 27th Jul 08
Location: South Ayrshire Drives: Corsa Sport
User status: Offline
24th Apr 09 at 11:26   View User's Profile U2U Member Reply With Quote
good thing is 1.2 8v's are like tanks

 
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