Quote:
Originally Posted by wheelhaus
I've been planning on going with JR simply because it's so well proven at the track, and that's where I want the reliability and durability. AFAIK, no other type of FI kit (PDSC or TC) has been able to manage heat saturation for more than a handful of laps. Admittedly I haven't done much research in the last couple years, but I'm still not at a place to make the purchase so if the Harrop kit or some turbo kits are trackable for 30 minute sessions then I have some research to do.
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Both turbo and PDSC cars are tracked successfully. For example, Michelle Abbate with Edelbrock, CSG Mike with turbo tracked their cars successfully in the full race scale. So it is possible to track with turbo and PDSC if you build properly (expensive). But, you are right that JRSC has the best track record.
Installation of JRSC is very simple, straightforward, and with minimal modifications in the engine bay. It almost clicks in place without any cutting, drilling. JRSC has completely independent oil/cooling system with no risk of blowing coolant into intake. This happened with PDSC (there are posts in FT86Club forum) in some cases and they ended up with a blown engine. JRSC does not tap into engine oil circuit or reroute exhaust pipes in the engine bay to increase temperature like some (all?) of the turbo kits.
But many drivers prefer (not me) low-rpm torque which gives instant acceleration by just pushing the throttle. JRSC torque curve is not flat; it is a linearly increasing torque curve with rpm but helps with engine reliability as high torque at low-rpm is an impact load on engine components. With proper down-shifting, low torque at low-rpm is not an issue for me; I think learning to down-shift properly gives a better feeling of driver engagement actually.
I have not had any reliability issues with Rotrex unit. In case needed in the future, replacement of compressor unit is not that cheap but very easy. After driving more than 2 years and 20K miles with JRSC, I have no regrets.