I think the basic kit has enough protection.
Maybe add an MSD so you can have an RPM activated window switch.
The kit has the WOT switch, and fuel pressure safety switch.
Yes 3.55's would be the ultimate gear for a twin-turbo car...very broad power band.
But 3.73's for the spray..or 4.10's
And send those pics when you get 'em
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4.10's,long tubes & 75 shot...Goes 12.50's
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http://www.burnouts.webprovider.com