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05nut 01-10-2009 01:45 AM

Turbo Suggestions for BBC ?
 
I'm helping a buddy turbo his 65 nova. He is building a 8.8:1 compression 496 stroker for it. He wants to go with a single turbo setup hoping for 1000 whp. Would a GT45 (.69 AR compressor/1.05 AR Turbine) be big enough? He said he can get a used one pretty cheap. If not, any suggestions. Holset?

Hitchhikkr 01-10-2009 02:15 AM

Re: Turbo Suggestions for BBC ?
 

Originally Posted by carkrazed2005
I'm helping a buddy turbo his 65 nova. He is building a 8.8:1 compression 496 stroker for it. He wants to go with a single turbo setup hoping for 1000 whp. Would a GT45 (.69 AR compressor/1.05 AR Turbine) be big enough? He said he can get a used one pretty cheap. If not, any suggestions. Holset?

Two would be enough. ;)

Jesus man a 496 anything shouldnt have a problem putting 700+ to the ground, an extra 300 from a tiny huff of boost isnt a stretch. Hope the rest of the car can take it...

05nut 01-10-2009 02:32 AM

Re: Turbo Suggestions for BBC ?
 
I was just worried that the exhaust AR would be too restrictive for all those damn cubic inches.

HomeMadeTurboz 01-10-2009 03:30 AM

Re: Turbo Suggestions for BBC ?
 
T6 exhaust side required for sure.

I would look in the 88mm - 91mm size range, yes I realize that this is way overkill, but it will at least get out of that motors way when not in boost.

Smith-02 01-10-2009 05:39 AM

Re: Turbo Suggestions for BBC ?
 
hx55 will get you there

05nut 01-10-2009 01:35 PM

Re: Turbo Suggestions for BBC ?
 
What about one of these guys?

http://cgi.ebay.com/ebaymotors/Huge-...QQcmdZViewItem

dummee 01-10-2009 01:43 PM

Re: Turbo Suggestions for BBC ?
 
That's a big bitch

jackfrost1031 01-10-2009 02:14 PM

Re: Turbo Suggestions for BBC ?
 
--i'm a retard

05nut 01-10-2009 02:22 PM

Re: Turbo Suggestions for BBC ?
 

Originally Posted by jackfrost1031
learn how to read a compressor map.

Learn how to keep cock out of your mouth.

HomeMadeTurboz 01-10-2009 06:45 PM

Re: Turbo Suggestions for BBC ?
 

Originally Posted by carkrazed2005

It would work fine, over kill on the compressor side (good for about double what you are after), but its not like a 496 doesn't have enough torque to shed the tires on the street all by its self anyway.

The hx55 with the big exhaust side would be enough turbo, but I would goto at least a an hx60, and probably right to that 82, if you have the room.


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