Wayne's boosted 8 project

[re japi]

What kind of exhaust ports you have?

Cause turbos that size, will probably need big peripheral d ports to start spooling earlier I have no idea how Renny side ports would get it to spool early...

Lähetetty minun G8141 laitteesta Tapatalkilla

He's using a proper 13B not one of those silly renesis ones

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Oh, I see, my bad

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[re japi]

For.  Clarity , what is the exact size of the exhaust ports on standard  engine , any one know ?


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Dont remember any more... But port placement and size does matter, basically it determines how turbo spools up

In right, is original S5 exhaust. In left is mine. Its Pineapple EP4, with 2mm per side wider, and more agressive opening. So, basically, "full race port".

Some dudes here have basically full D shape to get good pulses to turbo. And it works too. But I didnt want to go so agressive

Lähetetty minun G8141 laitteesta Tapatalkilla

[re japi]

What kind of exhaust ports you have?

Cause turbos that size, will probably need big peripheral d ports to start spooling earlier I have no idea how Renny side ports would get it to spool early...

Lähetetty minun G8141 laitteesta Tapatalkilla

He's using a proper 13B not one of those silly renesis ones

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Ouch !

Like a knife to my heart lol


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The MSP is decent, it's just that when you want powaaaah you need peripheral exhausts. Lol

230hp NA is prety damn impressive although they don't brap

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Yes, that true.

Nah, you can make it brap easily

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[Mr Spiller]

It will be absolutely fine then bud, leave it as is and get it running.

If you have the second motor, with the cosmo plates , I would invest in getting it fully balanced and get the rotors scalloped

Will make it much more capable of turning 10,000rpm

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Cheers Grant
The Cosmo plated engine is also Bridgeported . Has a fresh rebuild but never been ran .
It was built by power gains that’s all I know


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[Mr Spiller]

This is Interesting . A question I was Asked  other day by a friend about using the holset turbo and Mr stav tech .




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[Mr Spiller]

For.  Clarity , what is the exact size of the exhaust ports on standard  engine , any one know ?


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Dont remember any more... But port placement and size does matter, basically it determines how turbo spools up

In right, is original S5 exhaust. In left is mine. Its Pineapple EP4, with 2mm per side wider, and more agressive opening. So, basically, "full race port".

Some dudes here have basically full D shape to get good pulses to turbo. And it works too. But I didnt want to go so agressive

Lähetetty minun G8141 laitteesta Tapatalkilla

Nice.
Thanks Japi


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[Grant Monkhouse]

This is Interesting . A question I was Asked  other day by a friend about using the holset turbo and Mr stav tech .




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Is he saying thays from a holsets turbo? Which one?

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[Mr Spiller]

This is Interesting . A question I was Asked  other day by a friend about using the holset turbo and Mr stav tech .




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Is he saying thays from a holsets turbo? Which one?

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Yep
HX50
My mate says this guys very clever with turbos
I’m just reading and understanding at the mo


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[Grant Monkhouse]

I'm trying to work out if it's the Stav that used to frequent the forums years ago... A fair few lads more knowledgeable used to say he was full of crap



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[Grant Monkhouse]

Id possibly be in inclined to say that is fwhp not rwhp too

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[Mr Spiller]

Id possibly be in inclined to say that is fwhp not rwhp too

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Yeah you could be right
I’m not sure ,


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[Grant Monkhouse]

Just had a nosey, it is 600fwhp which is mighty impressive.

The hx50 is equivalent to a GT42, bws475 etc so it's going to make power at a lower boost as it is simply shifting more more cfm

You would find your S475 achieve similar numbers but I would say it will come on hsrd in a short period of rpm.

Track car you want a more predictable power band, spool early, peak and hold over a broad power band, just like a V8.

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[re japi]

Well.. When it comes to US power figures, I dont believe them. Many of them are announcing powers that their turbos can not produce. Its simple math, and specs of their components...

Like getting massive power with stock ports, little boost and too small turbo

However, there some really good shops that can do quite impressive stuff.



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[Mr Spiller]

If MRC ever start a dick of the day thread , let this be the start .

Wednesday got my finger caught between alternator belt and upper pulley whilst engine was running . ( stupid I know )

Looks like it’s a few days/ weeks off the spanners and track days for this dumb ass


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[boosted]

Argghh.makes me whince!
Hope it gets better soon.

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