8 replies to this topic

[jjwhay]

Hi guys im new to this forum and this is my fist post, i have got a beautiful mini metro (in yellow!) and it has got a gt1275 enguine. The top speed however is only around 65mph which as you can imagine is not ideal! Any ideas on why or how to make this faster?? Need to beable to do motorway speed and not get over taken
Thanks in advance

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[Tommyboy12]

For starters its just a Mini. The Mini Metro is a diffirent car entirely! Crazy paint job though!

Your low top speed is likely due to a timing or fuelling issue. We would need more information on what the car is doing at 65mph to be able to answer.

Are the revs high? Does it misfire? Things like that.

[jjwhay]

Revs are around 4 or 5, nothing to bad, doesunt sound bad at all for a straight though twin exhaust ;) doesnt misfire, nothing to tell me that theres a problem

[Artstu]

Does it rev to 6000 in 3rd? and what speed is it doing then?

[jjwhay]

Yeah it does rev to 6000 in 3rd and around 40ish

[Barman]

Have you checked the speed with a GPS?

[Wil_h]

I agree, check spped with something other than the speedo.

There is a big differance between 4 and 5k in revs, but if it's at 60mph, then you have a very low diff.

It may just be that the engine is not properly set up and the extra drag and weight of the body kit mean it's struggling.

[purple_fly06]

It may just be that the engine is not properly set up and the extra drag and weight of the body kit mean it's struggling.

Hahahaha

[Ethel]

I think there's something a drift with the engine, apart from the final drive ratio. It runs to 6k and at 4-5k should be producing more power than the 3-4k that would be more usual for a road car. I'd start by looking at brakes, tyres etc & the air filter. You could also use a timing strobe to plot the ignition advance through the rev range.