Saxo Engine/Performance If you're interested in tuning Saxo engines, or if you need to know something which is engine related... this is the place for you. |
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17th December 2007, 10:19
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#1
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L-plater
Join Date: Mar 2007
Location: Southampton
Posts: 30
Car(s): Slammed 106 GTi
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16v Standard component limits... (Rods, rod bolts etc)
Morning!
Just wondering - Anyone know what sort of limit standard components start failing... ie. What revs are standard rods and bolts good to, when it'd be a good idea to fit ARP rod bolts...
Also what revs standard valve springs and lifters can take.
Cheers, Dan
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17th December 2007, 10:32
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#2
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Saxperience Post Whore
Join Date: Aug 2004
Location: Kunt & Sorrey
Posts: 5,763
Car(s): Rep mobiles & Joes ma
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Quote:
Originally Posted by Beans
Morning!
Just wondering - Anyone know what sort of limit standard components start failing... ie. What revs are standard rods and bolts good to, when it'd be a good idea to fit ARP rod bolts...
Also what revs standard valve springs and lifters can take.
Cheers, Dan 
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8.5k is usually ok on std bottom end, the std head is only good to 8k though anyway on standard lifters and valve springs.
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17th December 2007, 10:53
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#3
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L-plater
Join Date: Mar 2007
Location: Southampton
Posts: 30
Car(s): Slammed 106 GTi
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Brilliant, cheers
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17th December 2007, 11:00
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#4
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Established Member
Join Date: May 2006
Posts: 2,279
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Wdnt risk goin past 8k on standard internals!
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17th December 2007, 11:40
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#5
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Saxperience Post Whore
Join Date: May 2006
Location: Bedford
Posts: 7,457
Car(s): Saxo VTS
Peugeot 306 GTI-6
Astra SRI
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10k is the upper limit of the bottom end, the standard lifters are the things that go on the top end, 7900rpm is a safe upper limit there.
Realistically you'll need cut out pistons and all that malark above 8k anyhoo so best to go for forged pistons there
__________________
Because I never fucking done a HB turn!
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17th December 2007, 11:48
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#6
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L-plater
Join Date: Mar 2007
Location: Southampton
Posts: 30
Car(s): Slammed 106 GTi
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Reason for asking is I'm starting a low budget ghetto turbo build - Trying to keep forged pistons and Megasquirt as the only 'big' spend out as I can get them stupidly cheap.
Was just looking to raise rev limit to somewhere around 7800-8000 to get a little more usable power in case the turbo doesn't tail off, all depends on how it goes though
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17th December 2007, 13:05
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#7
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Regular Poster
Join Date: Jul 2007
Posts: 354
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ive got some forged pistons and rods with arp bolts. think you could beat 600 quid? as thats all i want for myn
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17th December 2007, 13:23
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#8
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Established Member
Join Date: Jul 2007
Location: Carnforth (lancaster)
Posts: 1,617
Car(s): 55 CTR premier
'97 posi vts
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if going turbo definatly use ARP rod bolts if keeping standard rods, small spend at £70 to stop a bolt letting go and trashing your pistons
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