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petert

[Race_Prep] Never Ending Race Car Build

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petert
Posted (edited)

Only 350ish, but as you can see, it's capable of a lot more. I didn't think I'd ever run over 2L either, but the Hondas are just so fast now. Just changing to reliable, cheap hp instead of screaming its head off.

 

If you look closely, you can see the 3/8" stainless fuel pipe, ready for E85.

Edited by petert

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B1ack_Mi16

But it would change the class you are racing it in going from NA to turbo I suppose?

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petert

Yes, we'd be over 2L. Our friend Parry is currently fitting a supercharger to his 205 and other friends run over 2L in various cars, so that really doesn't matter.

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wicked
5 hours ago, petert said:

I've had the 205 at a local fabricator, having a turbo manifold and downpipe built. Normally work I like to do myself, however for the money it's just not worth my while. I'm really pleased with his efforts. It's twin scroll, if you can manage to trace the paths. Next task is to pull it all apart and get the pipes ceramic coated. And of course save up for a new gearbox and stronger driveshafts.

 

 

 

IMG_9566.JPG

 

 

 

 

 

Looks really nice Peter!     And so much room in a RHD.... just unfair....

 

Wrt to the interconnect between the runners; don't you think it will create extra stress in the manifold when it heats up?? Or will it just make it more rigid? 

 

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jackherer
20 minutes ago, wicked said:

 And so much room in a RHD.... just unfair....

There are pros and cons, have you seen our throttle, clutch and speedo cables? :lol:

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mmt

Looking forward to hear about track drivability. 
/M

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petert
6 hours ago, wicked said:

Wrt to the interconnect between the runners; don't you think it will create extra stress in the manifold when it heats up?? Or will it just make it more rigid? 

 

It will all be stiff/rigid. In this pic you can see a tag with two holes, under the manifold. I need to make something to tie that down to the PAS pump holes on the gearbox.

IMG_9571.JPG

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Tom Fenton

Peter I'm sure you know this but don't constrain it as that will ask for issues. Some sort of support rods using rose joints perhaps to take the weight off the manifold a bit but allow it to move is what I'd look to do.

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wicked
16 hours ago, jackherer said:

There are pros and cons, have you seen our throttle, clutch and speedo cables? :lol:

The speedo cable would go inbetween both runner on a LHD and the brake cylinder would sit in the turbine housing of the turbo..... 

But indeed different challenges..... 

 

 

Wrt to the support of the manifold, I tend to agree with Tom; the manifold will expand more than you engine, so turbo would move left and right as result of EGT. But you don't want vertical resonance.

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petert

For sure, I was told to elongate the holes but I'll confer with my turbo expert friend.

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wicked

Please share his expert view with us, as I can only reason from theory and have also an ongoing build with similar construction.

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petert

A rose jointed turnbuckle it is.

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