Wayne's boosted 8 project

Mr Spiller · July 17, 2020, 03:33:50 PM

Quote from: boosted on July 17, 2020, 03:27:34 PM
Grant will choose you suitable turbo from efr range..8374 maybe a tad too more than 420hp..more like 750hp full chat.

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Just got out my big boy turbo now

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Grant Monkhouse · July 17, 2020, 05:05:29 PM

GT 35R or what ever the latest version Garret are offering would probably be perfect.

Clive spec turbo would be exactly what your after too.

Different back housing and running. Lower boost at first be perfect.

Bridge ports will spool up turbos quicker.

You can run a smaller turbo but run a large turbine housing

Turbine housings aren't expensive either so you can just swap them when you want to alter your power band and power range

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Grant Monkhouse · July 17, 2020, 05:21:20 PM

Garret G25-660 would be a great choice but they're not cheap at all

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Mr Spiller · July 17, 2020, 05:26:14 PM

Quote from: Grant Monkhouse on July 17, 2020, 05:21:20 PM
Garret G25-660 would be a great choice but they're not cheap at all

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Thanks Grant
Iâ€™ll look into them
Will take a while for it all to sink in and understand
Much appreciated
Did you see my reply to that orange RX7 ?

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Grant Monkhouse · July 17, 2020, 05:46:13 PM

The new G series also come in reverse rotation options so they can fit better. They also don't bother offering divided entry on the turbine side with them because they are so responsive compared to what they used to be, especially with the billet wheels and ball bearing technology.

The 660 number is what HP they are capable of but when you apply that to our rotaries it means less.

My turbo is rated at 800hp on a piston engine but more like 600-650 on a 13B.

So the 660 probably equates to some where in the 400 range

HOWEVER

Because rotaries run hotter than piston engines we can use bigger turbos as we can spool them faster....

The GT35R used to be a great popular choice for 13Bs, fast spooling etc but they now offer that turbo in the G35-900 and G-1050 whereas before people chose them for 450 hp

Absolute minefield.

Pick your budget then look at different options

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boston-rotary · July 17, 2020, 05:52:51 PM

Wayne i think i'm going with the borgwarner 8374 iwg AR 0.92 twinscroll T4

Grant Monkhouse · July 17, 2020, 05:55:23 PM

What's the turbo you have now?

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Mr Spiller · July 17, 2020, 05:57:21 PM

Quote from: Grant Monkhouse on July 17, 2020, 05:55:23 PM
What's the turbo you have now?

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Me or Boston rotary ?

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boston-rotary · July 17, 2020, 06:00:30 PM

Quote from: Mr Spiller on July 17, 2020, 05:57:21 PM
Quote from: Grant Monkhouse on July 17, 2020, 05:55:23 PM
What's the turbo you have now?

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Me or Boston rotary ?

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Grant i'm at the same stage there abouts as Wayne still work in progress

Grant Monkhouse · July 17, 2020, 06:06:57 PM

Quote from: Mr Spiller on July 17, 2020, 05:57:21 PM
Quote from: Grant Monkhouse on July 17, 2020, 05:55:23 PM
What's the turbo you have now?

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Me or Boston rotary ?

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You.

I'm just looking on turblown/turbosource site as they have loads of kits for rotaries, loads of dyno testing and comparisons

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Mr Spiller · July 17, 2020, 06:09:37 PM

Quote from: Grant Monkhouse on July 17, 2020, 06:06:57 PM
Quote from: Mr Spiller on July 17, 2020, 05:57:21 PM
Quote from: Grant Monkhouse on July 17, 2020, 05:55:23 PM
What's the turbo you have now?

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Me or Boston rotary ?

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You.

I'm just looking on turblown/turbosource site as they have loads of kits for rotaries, loads of dyno testing and comparisons

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Feel a bit daft really as I donâ€™t even know whatâ€™s Iâ€™m looking for

Leaving all the searching to you
Hers the one I currently have which would suit your car

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Grant Monkhouse · July 17, 2020, 06:17:59 PM

Yep S475 be ideal for my car, especially with the methanol and no intercooler

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Mr Spiller · July 17, 2020, 06:29:26 PM

Quote from: Grant Monkhouse on July 17, 2020, 06:17:59 PM
Yep S475 be ideal for my car, especially with the methanol and no intercooler

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Can do a deal , yours is right for mine if I remember ?

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Grant Monkhouse · July 17, 2020, 07:11:06 PM

Iv cut a hole in my turbine housing

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Mr Spiller · July 17, 2020, 07:14:31 PM

Quote from: Grant Monkhouse on July 17, 2020, 07:11:06 PM
Iv cut a hole in my turbine housing

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Oh yeah ,..........,
They are cheap mind

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