ClioSport.net

Register a free account today to become a member!
Once signed in, you'll be able to participate on this site by adding your own topics and posts, as well as connect with other members through your own private inbox!

Turbo Build F4R 832 for Formula Renault Racecar



  Formula Renault
Hi fellow Renaulters, I come seeking guidance and assistance.

I race a Formula Renault Eurocup car and am looking for some more power. I have pretty much decided on fitting a turbo conversion and am in the research phase. I’m hoping I can glean some information from you lot.

The car runs a very slightly modified F4R 832 engine (which I believe was found in the Clio 200). Its modifications internally amount to no more than some minor head work. Externally it has a dry sump kit and a different intake and exhaust manifold.

It’s managed by a Pectel SQ6 ECU which is more than up for the job.

Gearbox is a 7 speed Sadev sequential.

The car currently puts out approx 210bhp and in an ideal world I would be looking for about 260-270bhp with nice flat torque. However, the numbers are only part of my requirements. As a 500kg racecar driveability is paramount. A laggy unresponsive engine -even one with more power - would likely hurt my laptimes rather than improve them. Also, I need to retain the 7500 redline for gearing purposes.

I see many people recommend a set of cams but then list redlines of about 6500rpm. I’m guessing this drop in RPM is as a result of the cams ??But maybe they’re needed to pump the turbo?

My exhaust after the turbo can be ran unsilenced, with no cat and end immediately.

Packaging wise I think we have a plan there that works so I’m just trying to get info on matching cams, turbos etc to suit my requirements.

Any help appreciated.
 

Attachments

  • F2418EBA-68AE-4927-82E2-BB521A9EB634.jpeg
    F2418EBA-68AE-4927-82E2-BB521A9EB634.jpeg
    375.3 KB · Views: 95
  • 8BDB4BE0-EDEE-49F9-B202-AB7C871C13FF.jpeg
    8BDB4BE0-EDEE-49F9-B202-AB7C871C13FF.jpeg
    393.9 KB · Views: 103
  • 11B6C600-DD4E-49EC-B998-2ADA809E900E.jpeg
    11B6C600-DD4E-49EC-B998-2ADA809E900E.jpeg
    397.7 KB · Views: 92

Usr117063

ClioSport Club Member
All I can say is that with the inlet design you should be able to run very short pipework, should be a very concentrated setup
 


Top