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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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Old 13th June 2020, 21:42   #1
maxripper
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Default vts gearbox final drive ratios

Hi all has any body come across a definitive guide to vts gearbox ratios. plus final drive ratios. Ideally I would like the crownwheel and teeth specs of the fd of the vts box plus also for the 106 1.4xsi and the s1 rallye box any help would be much appreciated thnx
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Old 13th June 2020, 22:54   #2
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Looky here
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Stu QIf in doubt, just repeat the answer to the question....
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Old 14th June 2020, 06:46   #3
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many thanks for this (I have seen it) what I'm ideally after is crownwheel and pinion teeth numbers to get to the ratios plus if possible teeth numbers on the sport gearboxes through gears 1 to 5. The 1400 xsi box would seem to be a 14/60? its the others that Im after if poss.
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Old 15th June 2020, 20:07   #4
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16*63 for VTS
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Old 15th June 2020, 20:53   #5
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thnx gabbastard just the s1 rallye box to go, anybody?
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Old 21st June 2020, 17:09   #6
Chipwizards
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This is a good source of ratio info:-

http://www.suzukituning.com/PSA/MA5%...5gearratio.htm
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Old 21st June 2020, 20:04   #7
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thanks mr Wizard car is to be running 743 cat cams mated up to a mildly ported head at 10.8to1 compression ratio on std injection (due to regs) 4-2-1 manifold any thoughts as to whether a remap might be worthwhile and if so the benefits?
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Old 24th June 2020, 22:25   #8
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It'll want a remap if you want the best performance from it, yes. If it didn't have bigger cams in it, the stock map would be good enough.

Faster idle speed to combat stalling, less fuel and more timing low down where the VE and manifold depression is less than stock, with more fuel higher up to go with the increased VE higher up, obvs.
I usually set the rev limits to 7800 with 743s.
It's also wise to optimise the cam timing whilst it's on the dyno too.
Typically 4 hour job, if everything works properly. :-)
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