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Maximum power out of GRA? 

 

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 Post subject: Maximum power out of GRA?
Posted: Mon Jan 17, 2005 11:21 am 
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What is the maximum power that someone has acheived with a single GRA carb on a I6 turbo motor before it has run out of flow? Also What would be the advantage of running twin carbs on a I6 turbo if there is any advantage?
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Posted: Mon Jan 17, 2005 2:15 pm 
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there are different sized carbs available....

 

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Posted: Mon Jan 17, 2005 8:41 pm 
Getting Side Ways
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I know. Theres an XE ESP turbo with a 480CFM carb making 550 rw HP. I think that is the biggest carb in the range and I'm wondering how much more flow can that carb support before another is needed?
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Posted: Tue Jan 18, 2005 10:20 am 
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Yeah, that is the largerst AFAIK.
when i contacted GRA they said they didnt recommend using a S480 on a car engine :P
but hey... some need it :)

 

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FALCN6 - EF GLi Turbo, 20" Rims, Air Bag Suspension, Straight LPG, 225rwkw
DTHWGN - EA GL Wagon, LTD Interior, Satin Black, 5.0, Turbo
RACER - EF Futura , 5.0, 5 Speed
PROJECT - 83 Thunderbird, Lowered, 18" Billet Wheels
DAILY - BA Fairmont Ghia 5.4 3V

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Posted: Tue Jan 18, 2005 9:22 pm 
Getting Side Ways
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Location: Wollongong
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So GRA would recomend 2 smaller carbs then? Come to think about it, that may make the car more drivable under boost and maybe the 2 smaller carbs could out flow the big single up top. It would be a b**ch to setup though.
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Posted: Wed Jan 19, 2005 8:48 am 
Getting Side Ways
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well i know of an XE 250 turbo with a S480 on it... no idea on power levelts though... i beleive its running 15+ psi though.

 

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FALCN6 - EF GLi Turbo, 20" Rims, Air Bag Suspension, Straight LPG, 225rwkw
DTHWGN - EA GL Wagon, LTD Interior, Satin Black, 5.0, Turbo
RACER - EF Futura , 5.0, 5 Speed
PROJECT - 83 Thunderbird, Lowered, 18" Billet Wheels
DAILY - BA Fairmont Ghia 5.4 3V

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