Are you building a Mud Monster or a Pavement Princess??
If so you can have your own thread in this section.
This section on other websites has led to arguments and contention. People are posting pictures of their pride and joy and therefore CONSTRUCTIVE comments only please!

Discreet but capable

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20 Mar 2018 21:14 #190654 by sniper
Replied by sniper on topic Discreet but capable
Busta, this is where my lack of time with the car is telling, I understood the rear shock relocation brackets were a positive and gave more travel ???

sniper

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20 Mar 2018 22:44 #190658 by Busta
Replied by Busta on topic Discreet but capable
They are just a spacer, they don't increase the overall travel. They make the shock 2 inches more compressed at normal ride height, in turn allowing the wheel to drop 2 inches lower on full extension. But unless you are careful to extend the bump stops accordingly, at full compression the shocks bottom out before the axle meets the bump stops and this causes the shock bolts to break (ironically the other reason people fit them is to reduce the stress on the lower shock bolt...).

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21 Mar 2018 19:27 #190695 by OlaGB
Replied by OlaGB on topic Discreet but capable
You might have seen this, but ill post it anyway.. Dyno run before and after fitting extrator + exhaust.. A bit dissapointing :/

www.jimny-crew.com/jimny-on-the-dyno.html
www.jimny-crew.com/exhaust-upgrade-dyno-results.html

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21 Mar 2018 23:03 #190708 by sniper
Replied by sniper on topic Discreet but capable
Yes I had seen it OlaGB, I wouldn't be happy to lose power.

I think that the car just had the exhaust fitted then a power run on the standard induction system.

Making an engine work well is about balance, if you remove a restriction on one side of the combustion chamber (free flow exhaust), you may create a restriction on the induction side as it cannot now match the flow. This causes loss of velocity in the exhaust (one chamber dragging gasses from the next) and that's where his losses are.

Match a free flowing exhaust to an induction system that can match its flow and you will get more power. There are a few engines that suffer big torque losses with low back pressure but my memory fails me. Generally, the faster the gasses flow through the engine the better the performance.

The 1.3 VVT is already revvy but imagine it being able to rev like a bike engine, wanting gears as fast as you can change them. Thats what I'm aiming for but then I will build a certain amount of restriction into the exhaust. The manifold, cat, silencers can be manipulated to put your torque curve where you want it, finding a fella who can do it without development is the clever thing. Or have a few stabs at it and see what happens.....

sniper

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28 Mar 2018 08:55 #190955 by sniper
Replied by sniper on topic Discreet but capable
Five weeks wait in the end but from first impressions, worth it. Quality feel and appearance.

Off in to Mansfield, found a workshop with a ton of off roaders outside, only want £100 to fit springs and shocks and it was going to cost me £50 to hire a ramp.... Lets see how we get on.

sniper
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28 Mar 2018 09:22 #190957 by sniper
Replied by sniper on topic Discreet but capable
Three wheels on my wagon....... They only sent 3 dampers, a mess up on their end.

Final one delivered tomorrow, very frustrating. It's the third time I've planned to fit them.

sniper

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