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mattsmini1971
 Post subject: single su?
PostPosted: Mon Jun 25, 2007 6:10 pm 
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Joined: Tue Sep 26, 2006 8:01 pm
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Location: coffs harbour
hi guys,
will a single inch and a half su be ok on a worked 1100? i only want about 45bhp. more after driveability than performance. :D

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Spaceboy
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PostPosted: Mon Jun 25, 2007 7:30 pm 
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should be okay, but you can do better

i mean my 1132 with a single hs4 was great, but i definitely would have gotten more horsepower with a hs6 or twin hs2's
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poeee
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PostPosted: Mon Jun 25, 2007 7:44 pm 
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Location: Geelong, Victoria
HS4 is fine, if not the best option.

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Maxi23
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PostPosted: Mon Jun 25, 2007 7:44 pm 
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Joined: Mon Jun 07, 2004 5:09 pm
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Location: Central Coast, NSW.
I ran a 1.5" SU on my worked 1100. I think I hit 44.9bhp on the dyno.

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mattsmini1971
 Post subject:
PostPosted: Mon Jun 25, 2007 7:45 pm 
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Location: coffs harbour
thanks for the imput.

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pristic
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PostPosted: Mon Jun 25, 2007 8:19 pm 
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Joined: Tue Jun 06, 2006 8:47 am
Posts: 1938
Location: Kellyville, NSW
45HP on the MRC dyno with my 1132 (more now since fixing it) and its running a 1.75" SU

Depends how its built and how much it will rev... you shouldn't but 'might' run lean up high... try a 1.5" and see if it performs.


Pete.

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brickworx
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PostPosted: Mon Jun 25, 2007 8:41 pm 
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Joined: Tue Dec 14, 2004 9:38 am
Posts: 2008
Location: Adelaide, South Australia
56 BHP at the wheels.
998 +40thou.
standard 1 1/2" SU carby

bigger is not always better

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pristic
 Post subject:
PostPosted: Mon Jun 25, 2007 8:53 pm 
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Joined: Tue Jun 06, 2006 8:47 am
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Location: Kellyville, NSW
brickworx wrote:
56 BHP at the wheels.
998 +40thou.
standard 1 1/2" SU carby

bigger is not always better


Hey Steve,

Got any more specs on that motor?
What compression ratio?
What head?
3.44 diff?
What exhaust and intake?

Pretty impressive HP from a 998 mate... even on those rigged S.A dyno's (kidding mate)

Peter.

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