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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9th August 2007, 23:04
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#41
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Regular Poster
Join Date: Mar 2007
Location: chelmsford, essex
Posts: 304
Car(s): lupo turbo 330bhp
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ive been told you dont run 14's and have never seen proof
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9th August 2007, 23:22
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#42
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Established Member
Join Date: May 2006
Posts: 2,279
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You are a genuine fuktard rnt you!! Just because oli's didnt break into the 14's doesn't mean i wasn't knocking on the door of the 13's!!
What kinda of proof would you like, the castrol challenge league tables on the santa pod website??
http://www.rwyb.co.uk/cc_results2007.php
Number 50 on there!!
Or do you want peeps tht have seen it with their own eyes?? Or wnt even scans of all the timeslips i have saying 14.0 i believe there is about 8. The lowest being a 14.03 at 99.30 at shakespeare raceway. Which pugdan saw or any of the 106owners peeps.
But yeh there is no proof
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10th August 2007, 00:05
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#43
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Established Member
Join Date: May 2006
Location: Ashford United Kingdom (England)
Posts: 1,443
Car(s): Saxo VTR/S, Mk1 Cortina, Jaguar XJS Convertible et
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LOL Craig!!
The mods I have wer simple: Standard cams etc.. Just backbox, Decat, Very low and able to drive the car IMO !
Itsafastworld - I know what you mean, but if you cannot improve performance over a 1/4mile upto say 90-95mph with TBs, cams and mapping etc at £2K+ to build then whats the point of the whole set up?
Are you saying a TBd car will be best at top end or something? Personally, it sounds pointless as with a setup like that I'd want to be hitting 14s like vtr130s and would like to feel the extra power over a more a less standard S.
Which at Santa Pod (where I ran and saw the other cars) I did not see much difference at all (0.01 + 0.02). If the AX does have the same setup as vtr130s then somethings gone wrong somewhere, thats bascially a very poor time.
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10th August 2007, 00:08
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#44
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Regular Poster
Join Date: Mar 2007
Location: chelmsford, essex
Posts: 304
Car(s): lupo turbo 330bhp
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yeh fair enough good enough proof jus wot i been told thats all
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10th August 2007, 00:08
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#45
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Saxperience Post Whore
Join Date: Feb 2006
Location: dudley United Kingdom (England)
Posts: 6,789
Car(s): 106 gti/ SEAT LCR
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i believe with your new set up vtr130 youll be posting up some real good times.its nice to see the likes of saxos mixing it up with porches and subarus and what not lol keep it up
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10th August 2007, 00:08
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#46
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Established Member
Join Date: May 2006
Location: Ashford United Kingdom (England)
Posts: 1,443
Car(s): Saxo VTR/S, Mk1 Cortina, Jaguar XJS Convertible et
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Quote:
Originally Posted by Itsafastworld85
sometimes adding a different set of cams can loose power over a 1/4mile as your changing the characteristics of the engine alot. so its not by how they are set up.
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Perhaps depending on the degree of the cam etc - But along with TBs, usually headwork, breathing mods and a decent map you will se the power increase throughout the rev range and it will be low down as well..
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10th August 2007, 00:09
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#47
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Regular Poster
Join Date: Mar 2007
Location: chelmsford, essex
Posts: 304
Car(s): lupo turbo 330bhp
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there is a quick ax about somewere on bodies
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10th August 2007, 00:10
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#48
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Established Member
Join Date: May 2006
Posts: 2,279
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Well it has 3 more bhp and is lighter, it pulled quicker times as standard. Matt said they were having problems getting the heat into the tyres! But i didnt get to see any timeslips.
There will be alot of difference between a tb'd or camed vts round a track or on the road, but off the line it is very hard to get all the power down. Nd obviousy a reasonable driver in a standard s, will be close to or beat a shit driver in a more powerful car, like the amount of scoobies or evo's i have beaten down the 1/4
But hopefully if my car is ready then im going to be taking it out on track at trax.
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10th August 2007, 00:13
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#49
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Established Member
Join Date: May 2006
Posts: 2,279
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Quote:
Originally Posted by R66CE_O_vtr
yeh fair enough good enough proof jus wot i been told thats all
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Well who said tht?? Was it pugperformance?? They have been sayin alot of shit about my car i hear.
Quote:
Originally Posted by shaggers_saxvtr
Perhaps depending on the degree of the cam etc - But along with TBs, usually headwork, breathing mods and a decent map you will se the power increase throughout the rev range and it will be low down as well..
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Every car will perform different, but with the larger degree the cams, the steeper the powerband will become, so you lose at the bottom and gain at the top. You always lose somewhere and gain sumwhere!
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10th August 2007, 00:14
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#50
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Saxperience Post Whore
Join Date: Feb 2006
Location: dudley United Kingdom (England)
Posts: 6,789
Car(s): 106 gti/ SEAT LCR
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shaggers_saxvtr if you want drivability you have to sacrifice power.throttle bodies is an advantage over standard inlet anyday(when properly se up).the reason some highly tunes cars arent giving good times is because there power band is in between 7000rpm and 8000rpm for example due to the cam profile.
if you want drivability you want a milder cam with a longer duration then th powerband will be broader like between 5 and 7krpm this would give you a better torque spread.
hope this help understand why more powerful cars arent always best for 1/4 runs.
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Boost pressure is underrated
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10th August 2007, 00:17
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#51
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Established Member
Join Date: May 2006
Posts: 2,279
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Quote:
Originally Posted by dannygti
shaggers_saxvtr if you want drivability you have to sacrifice power.throttle bodies is an advantage over standard inlet anyday(when properly se up).the reason some highly tunes cars arent giving good times is because there power band is in between 7000rpm and 8000rpm for example due to the cam profile.
if you want drivability you want a milder cam with a longer duration then th powerband will be broader like between 5 and 7krpm this would give you a better torque spread.
hope this help understand why more powerful cars arent always best for 1/4 runs.
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Also traction issues!! My new powerband will be 5-9k, so bring on the xsi gearbox and some quick times. May have to add some nitrous to try and see the 12's
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10th August 2007, 00:20
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#52
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Saxperience Post Whore
Join Date: Feb 2006
Location: dudley United Kingdom (England)
Posts: 6,789
Car(s): 106 gti/ SEAT LCR
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yh youll benifit from nos once youve got traction.lol at the powerband,bet its a nightmare off the line lol,youll definately need a shorter ratio box to keep on the power.slicks hint hint.
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Boost pressure is underrated
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10th August 2007, 00:28
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#53
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Established Member
Join Date: May 2006
Posts: 2,279
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Quote:
Originally Posted by dannygti
yh youll benifit from nos once youve got traction.lol at the powerband,bet its a nightmare off the line lol,youll definately need a shorter ratio box to keep on the power.slicks hint hint.
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Not allowed to use slicks in competition... But im sure i will be able to get the power down, i could on the old set-up launching at 7k slipping out the clutch.
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10th August 2007, 00:35
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#54
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Super Moderator
Join Date: Feb 2004
Location: Tonbridge United Kingdom (England)
Posts: 38,236
Car(s): Vtr, 172, throttle bodied track slut
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Quote:
Originally Posted by shaggers_saxvtr
LOL Craig!!
The mods I have wer simple: Standard cams etc.. Just backbox, Decat, Very low and able to drive the car IMO !
Itsafastworld - I know what you mean, but if you cannot improve performance over a 1/4mile upto say 90-95mph with TBs, cams and mapping etc at £2K+ to build then whats the point of the whole set up?
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as said, throttle bodies give better IN GEAR performance, hence why imo more suited on track where throttle pick up in corners are more important.
I also wouldnt waste money building a car for gay ligning!
you also need to look at other variables such as traction. increasing power gives traction issues, what alot of people forget is the 1/4 is also largely down the start and how you launch.
look at the new evos for example you say you wouldnt want one and its pointless? yet off boost it got hammered by a crappy car on top gear. theres so many variables in tuning, bolting on goodies doesnt suddenly make you king of the 1/4
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God made beer, women and Throttle bodies
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10th August 2007, 00:37
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#55
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Established Member
Join Date: May 2006
Location: Ashford United Kingdom (England)
Posts: 1,443
Car(s): Saxo VTR/S, Mk1 Cortina, Jaguar XJS Convertible et
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Just wrote a long reply then my computer crashed (Cough...Wank3r!)
And i cant be botherd to retype..
Anyway Danny I know what you are saying, but im sure you know where im coming from too.
Craig your car was sweet before gunna be nuts when its back out tho...mucho respect!
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10th August 2007, 00:39
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#56
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Saxperience Post Whore
Join Date: Jan 2007
Posts: 7,705
Car(s): Saxo VTS
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Straight lines are ballbag..
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2001 Silver Saxo VTS - Lowered 40mm - Everything Else 100% Original
Total Saxo Enthusiast
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10th August 2007, 00:41
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#57
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Saxperience Post Whore
Join Date: Feb 2006
Location: dudley United Kingdom (England)
Posts: 6,789
Car(s): 106 gti/ SEAT LCR
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shaggers_saxvtr yh i know what your sayin mate, you could strip the car and gain a bit of time and its free
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Boost pressure is underrated
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10th August 2007, 00:44
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#58
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Saxperience Post Whore
Join Date: Feb 2006
Location: dudley United Kingdom (England)
Posts: 6,789
Car(s): 106 gti/ SEAT LCR
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Quote:
Originally Posted by vtr130
Not allowed to use slicks in competition... But im sure i will be able to get the power down, i could on the old set-up launching at 7k slipping out the clutch.
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what tyres are you runnig r888's?
i went up the 1/4 in a megabusa (bike powered westfield) and due to the power being way up the rev range, you either light up the wheels or bog down.easy answer is to slip the clutch a bit but thats not to good for the clutch. think it was bout 11.5 or there abouts
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Boost pressure is underrated
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10th August 2007, 00:47
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#59
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Established Member
Join Date: May 2006
Posts: 2,279
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I was using a standard clutch but kept eating them monthly, lol... I don't know what im going to do by way of clutches this time.
No i was on shitty budget tyres mate!! Sometimes I used yoko a539's
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10th August 2007, 00:49
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#60
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Saxperience Post Whore
Join Date: Feb 2006
Location: dudley United Kingdom (England)
Posts: 6,789
Car(s): 106 gti/ SEAT LCR
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you could go paddle clutch but you dont get as much feel tbh.
yh the yokos arent that bad i dont think.the r888's are real good but they cost a fortune and dont last to long.catch 22 spring to mind lol
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