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[200MPH]

Pm me your email and I'll flick you some spreadsheets if you like....

[200MPH]

Oh, and your ride rates seem a bit low for examples you've posted. Id say your motion ratio calcs are way off. As you've suggested, Try 2-2.5 hz unsprung ride rate as a start for car with minimal aero...

[200MPH]

If you're serious about measuring up all the ratios, rates, sprung and unsprung weights, the I can send you an excel spreadsheet that I've created that will calculate it all out for you in terms of sprung...

[200MPH]

I read somewhere the other day that corn derived ethanol had a far reduced tendency to gum up fuel systems compared to sugarcane derived. Dunno if true.

Also, discussing converting my car...

[200MPH]

It's a race car only right? Not street at all?

If so, suitable fuel availability is then your least concern surely. Buy good fuel and worry about one less thing. Don't think you are allowed...

[200MPH]

Loved my brothers xr5. Only issues for me was no cruise. Sure you could fit one however. If electronic throttle, then easy, can't remember. And just a simple centre resonator delete gives them a little...

[200MPH]

If it were my money would be Z51 (probably mandatory ins Australia), competition seats and magneride (again probably standard issue here).

Being on 2nd mid engine car, with lots of track...

[200MPH]

MT testing of Z51 equipped version:

2.8s 0-60 mph
11.1 @123 mph 1/4 mile.

That's an impressive amount of straight line handing. I'd be happy with that!