Whenever you have catalytic converters change them against metallic ones.

My Jalpa has no converters, only the air pump and we managed to have 33ppm HC at idle with a car which has 72t km on the odo...

the roof weights about 30 Kilos...

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RaymondQV
Countach QV Ex-Mimran #GLA12997, Urraco P300 #20530 sold in August 2008, Jalpa #FLA12203 sold in May 2006
www.countach.ch
www.jalpa.ch

When Frank Sinatra got his Miura S in 1970, he said: “If you wanna be someone, buy Ferrari - If you are someone, you own a Lamborghini”.