Clive's 400 BHP Super GT RX-8 Race Car

[clive]

cool. Well if anything is needed saturday. Have full access to 4 ramp fully functional garage overnight if hopefully not needed local. ( pack Steve in your toolbox lol).

All sorted but

[re japi]

How about semi pp? Considered that?

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[clive]

How about semi pp? Considered that?

Power still won't come in early enough or smooth enough for me 

[clive]

So far on schedule for Coombe in three weeks time.

Dropped the engine back in the bay today complete with two brand new FD housings .

Turns out the rear housing had a crack around the plug hole which let some water in and knocked out a plug but also the front exhaust insert had collapsed, no wonder I had no power!.

Laughingly this also means that in the last couple of races with Track Attack I was also down on power!. 

[boosted]

This is what i think it is? im coming both days? That ok?

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[clive]

Yep, that's my catch can oil drain 

[Mr Spiller]

Good news Clive
Should have it fired  up soon then


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[Grant Monkhouse]

Why do exhaust insert collapse? Also what causes crack around spark plug holes?

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[clive]

Why do exhaust insert collapse? Also what causes crack around spark plug holes?

Looks like the floor of the port was cut too low leading to much flow/ heat going up under the insert which long term caused the failure.

I had never seen this and Pip had only seen one before in 40 years!.

No real idea about the crack behind the plug.

[clive]

Good news Clive
Should have it fired  up soon then

Should be running also with the new diff installed by the end of the week, then back to Pips next week. 

[Mr Spiller]

Good news Clive
Should have it fired  up soon then

Should be running also with the new diff installed by the end of the week, then back to Pips next week.

Good progress
Well done


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[clive]

Really lucky I still have a car as you will see, one of the two secondary fuel rail pedistalls had fratured, so lucky fuel didn't spray and catch alight
Thanks to Steve who has milled these monster pedastalls these will never break   

Here's a picture of the collapsed front exhaust port insert which would never had been found had there not been the rear housing becoming split around the spark plug hole leaking coolant on the dyno 

[Mr Spiller]

Really lucky I still have a car as you will see, one of the two secondary fuel rail pedistalls had fratured, so lucky fuel didn't spray and catch alight
Thanks to Steve who has milled these monster pedastalls these will never break   

Here's a picture of the collapsed front exhaust port insert which would never had been found had there not been the rear housing becoming split around the spark plug hole leaking coolant on the dyno

Ok
Excuse my ignorance
These are inside the exhaust  ports ?
If so
How many more is steve doing for us ?


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[re japi]

Really lucky I still have a car as you will see, one of the two secondary fuel rail pedistalls had fratured, so lucky fuel didn't spray and catch alight
Thanks to Steve who has milled these monster pedastalls these will never break   

Here's a picture of the collapsed front exhaust port insert which would never had been found had there not been the rear housing becoming split around the spark plug hole leaking coolant on the dyno

Wow. That would have been massive ouch

But how those inserts have collapsed? I think I have never seen that happened. Your exhaust temperatures?

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[boosted]

So these inserts are steel?.. to protect the ally housings..they willbexpand and contract at different rates to ally?
Am i right?

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