Greasemonkey
Member
Registered: 17th Apr 02
Location: Drives a Tractor
User status: Offline
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so what would be safe with ARP's fitted
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ffls
Member
Registered: 29th May 02
User status: Offline
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Until 8000 rpm with stock pistons
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vibrio
Banned
Registered: 28th Feb 01
Location: POAH
User status: Offline
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thisis the differnce between two GSi's one with dbalis the other without
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burt16v
Member
Registered: 21st Jan 04
Location: Belfast N.I
User status: Offline
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fcuk thats about 130bhp well impressed is that with the engine re-mapped and fuel increased too, or an exhaust system?
burt16v
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ffls
Member
Registered: 29th May 02
User status: Offline
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you have to increase fuel pressure because more air is going in...
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Wolf In Welsh Clothing
Member
Registered: 31st Mar 03
Location: North Wales...... Cooper S on order
User status: Offline
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This is a Velos plenum, ARP rod bolts, Unichip, Unichip Rev Limit Unit - 7500rpm (Came off after a few weeks as it caused problems with my ECU), Janspeed de-cat and pipercross cone on a 1.6 sport.
No other engine mods at time but later had and 7800rpm limit (when running on DTA), was also going to put on an FSE boost valve as was slightly lean over 7000rpm.
If i was to do it all again, depending on cash id personally go for either
1, a torque tube, drilled air box + de-cat or
2, throttle boddies, dta and everything else on velos' 1650cc 197bhp engine.
[Edited on 22-01-2004 by Wolf In Welsh Clothing]
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burt16v
Member
Registered: 21st Jan 04
Location: Belfast N.I
User status: Offline
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did u take the velos plenumand unichip off then mate after it started fkn wit the ecu?
i think i'll just go for full system tip to toe with no cat, a drilled airbox with home made cold air feed feed into it and the tube torque. then eventually chip it and set the limiter to about 7000 as i dont wana have it revvin to high in case i wreck it or becomes unreliable.
Hopefully that should se me up over 130bhp maybe close to 140?
Burt
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Wolf In Welsh Clothing
Member
Registered: 31st Mar 03
Location: North Wales...... Cooper S on order
User status: Offline
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After the rev limit unit messed up i took just the rev unit off, still ran with the unichip and plenum without problems.
It didn't cause any engine parts to break, just used too confuse the ECU.
With ARP bolts my engine used to hit 7500rpm several times every day for at least 6months without breaking out, got the cam belt changed every 20000 and not 40000miles though and changed the oil + filter every 6000.
After a while i decided i wanted my high rev limit back so sold the unichip, took the standard ecu out and got the DTA fitted and mapped!
The raised rev limit makes as much difference (in my opinion) as changing the inlet as you dont change gear until a few seconds later gaining several yards in a race!
Ive still got the unichip rev limit unit in me garage, not that its of much use 2 me.
Also got me DTA still as i sold the corsa as standard last week, sold the plenum on to a mate.
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