985cc Turbocharged Nova Sprint Car

Carbon fibre tube is available off the shelf colin, sure you can cut the ally down a fair bit and bond the carbon on yourself, you'd need that ally end piece on the shifter anyway for wear.

Also added to a list of ideas for mine lol

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Originally Posted by MK999

Carbon fibre tube is available off the shelf colin, sure you can cut the ally down a fair bit and bond the carbon on yourself, you'd need that ally end piece on the shifter anyway for wear.

Also added to a list of ideas for mine lol

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Yes, I see the place where I got my carbon fibre angle from also does the tube;

http://www.easycomposites.co.uk/Cate...rbon-Tube.aspx

Not too badly priced either if it can save 0.5kg or thereabouts.

Try this:

http://www.carbonology.com/carbon-fi...-c-64_146.html

Will be slightly tougher than the roll wrapped version, quite essential if you like banging through the gears, and well, everyone does :d lol

Quote:

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Originally Posted by MK999

Try this:

http://www.carbonology.com/carbon-fi...-c-64_146.html

Will be slightly tougher than the roll wrapped version, quite essential if you like banging through the gears, and well, everyone does :d lol

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Thanks Mark, next time I see my car I will measure up and get some of that ordered.

Almost irrelevant that the engine is dead if you've got a carbon fibre gear lever.....

As per my PM, there was the possibly of destroking a later 1.2 from a mk2 Nova with the 12ST crank and rods.
I have checked the sizes and the 12ST has a stroke of 62.9 and the later 1.2 8v has a bore of 72mm which combined makes 1024cc.
Whether a decked blocked and skimmed head will lose you that 24cc I am not sure but may be the cheapest way of doing it as there is still plentiful supply of these engines over here. The only issue I can see is the different size of little end bearings between the two engines.

Or...

I am sure the 1.2 16v will be similar again so you could use the 12ST bits on that which wouls give you your 16v engine but not sure of the efficiency of the head and the reliability of the timing chain.

Quote:

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Originally Posted by Novasport

As per my PM, there was the possibly of destroking a later 1.2 from a mk2 Nova with the 12ST crank and rods.
I have checked the sizes and the 12ST has a stroke of 62.9 and the later 1.2 8v has a bore of 72mm which combined makes 1024cc.
Whether a decked blocked and skimmed head will lose you that 24cc I am not sure but may be the cheapest way of doing it as there is still plentiful supply of these engines over here. The only issue I can see is the different size of little end bearings between the two engines.

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Sounds a feasible one Rich, but beyond my technical expertise I'm afraid.

I will certainly run it past my engine man. Decked blocks and skimmed heads sound like higher compression ratios to me though, which may not be appropriate.

The 1.2 16v is an interesting suggestion, I have absolutely no experience of that one.

Anyone got one or know anything useful about it?

Would make a cracking revvy little engine imo

What are the rules governing what engine you can use? Can you go for a different manufacturers engine? Say like a Diahatsu 1.0 GTtti engine?!?

Quote:

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Originally Posted by Novasport

As per my PM, there was the possibly of destroking a later 1.2 from a mk2 Nova with the 12ST crank and rods.
I have checked the sizes and the 12ST has a stroke of 62.9 and the later 1.2 8v has a bore of 72mm which combined makes 1024cc.
Whether a decked blocked and skimmed head will lose you that 24cc I am not sure but may be the cheapest way of doing it as there is still plentiful supply of these engines over here. The only issue I can see is the different size of little end bearings between the two engines.
.

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decking the block / skimming the head wont alter the swept volume,only the CR

Quote:

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Originally Posted by Novasport

What are the rules governing what engine you can use? Can you go for a different manufacturers engine? Say like a Diahatsu 1.0 GTtti engine?!?

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The one overriding rule on the engine we have to adhere to is (in my words);

The engine block must be externally identical to that which was factory fitted to a Nova

So for example a destroked 20XE is not allowed in a Nova (but would be OK in an Astra).

Use of other manufacturer engines (e.g. an XE in a Mk.2 Escort) automatically pushes people into the anything goes 'Sports Libre' race classes, where as you can imagine there are some ludicrous machines, and not a hope of winning.