Tu3S Rally Engine Help

[DanThompson 0 1 Cars]

Hi, I have a 205 xs rally car and it has a tu3s engine in, the engine has twin 40 delortos, a ported and skimmed head, Kent cam and vernier pulley, it also has a 4-2-1 full race manifold and exhaust. Im just wanting to know what would be the next step with this engine?

Thanks

Dan

[trogboy 17]

My two pence worth - mappable ignition, assuming that you don't already have it...

[calvinhorse 870]

Can you up the cc? Higher comp pistons?

[calvinhorse 870]

Lightened and balanced bottom end.

 

I've seen the rockers heavily lightened.

 

Catcams stock rod cam <3 bye bye tickover

[DanThompson 0 1 Cars]

i was thinking of the ecu, is there any which i can buy that you know of or just take it to a specialist? im looking at high comp pistons and lightening the flywheel. I am also looking at a new cam shaft what is the catcam like?

[allye 530 3 Cars]

This may be of some help

http://forum.205gtidrivers.com/index.php?showtopic=76877

 

And Mark's Xt,

 

http://forum.205gtidrivers.com/index.php?showtopic=107936&page=2

[trogboy 17]

You know that the ECU on the standard setup doesn't control the engine at all right? The ignition's controlled by the dizzy, and the Dellortos will be setting the fueling.

 

In my opinion if you want the car to produce the most it can and be more driveable you'd be better off sorting these out. People get some good top end figures with carbs but they will always be a compromise as they are almost impossible to get the fueling right everywhere. The same goes for distributors to control the ignition. With fuel injection and mappable ignition you can cure all those ills.

 

Don't get me wrong. I loved my Rallye with a similar setup, but I knew it was limited and accepted that. If I'd not started a family I'd have probably still have it and have got it running throttle bodies and mappable ignition by now.

 

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[Wallby 47]

You know that the ECU on the standard setup doesn't control the engine at all right? The ignition's controlled by the dizzy, and the Dellortos will be setting the fueling.

 

In my opinion if you want the car to produce the most it can and be more driveable you'd be better off sorting these out. People get some good top end figures with carbs but they will always be a compromise as they are almost impossible to get the fueling right everywhere. The same goes for distributors to control the ignition. With fuel injection and mappable ignition you can cure all those ills.

 

Don't get me wrong. I loved my Rallye with a similar setup, but I knew it was limited and accepted that. If I'd not started a family I'd have probably still have it and have got it running throttle bodies and mappable ignition by now.

 

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We'll your not having it back now! They are my webers forever!