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sunny02
compression ratio on 98 octaine
#1
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maximum comperssion ratio for 1200 on 98 fuel?

Posted on: 2011/6/13 7:13
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sunny02
Re: compression ratio on 98 octaine
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currently 10;5

Posted on: 2011/6/13 7:13
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PIGDOG
Re: compression ratio on 98 octaine
#3
No life (a.k.a. DattoMaster)
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injected or carby'd? how good is your tune?

Posted on: 2011/6/13 7:20
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sunny02
Re: compression ratio on 98 octaine
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single carby dual outlet exhaust , tuned to max

Posted on: 2011/6/13 7:24
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PIGDOG
Re: compression ratio on 98 octaine
#5
No life (a.k.a. DattoMaster)
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what type of carby? what type of ignition?

personally wouldnt really go much higher in compression. what are you trying to achieve with the higher comp?

Posted on: 2011/6/13 8:05
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sunny02
Re: compression ratio on 98 octaine
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power

Posted on: 2011/6/13 8:46
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sunny02
Re: compression ratio on 98 octaine
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standard ignition jetted carby

Posted on: 2011/6/13 8:49
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estyre
Re: compression ratio on 98 octaine
#8
No life (a.k.a. DattoMaster)
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Giving it a crappy load of comp won't make it go much better ,maybe invest in a cam and a better carby or a nice set of twins

Is it a speedway motor ? If not why not try a dgav weber ? They are cheap and work well

Posted on: 2011/6/13 9:34
_________________
77 1200 ute
77mm bore a15 ,12:1 comp
ported and reconed h89 head
fairly aggro cam ,billet rocker spacers
twin 40mm solex carbs on bpro manifold
MSD 6al2 with 2 step limiter
4speed 60a box
hd clutch
2 inch exhaust
locked 4:11 ute diff
...
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sunny02
Re: compression ratio on 98 octaine
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yes it is but i ,wont to know how much compression i can get wothout blowing a head gasket.

Posted on: 2011/6/13 10:04
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estyre
Re: compression ratio on 98 octaine
#10
No life (a.k.a. DattoMaster)
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Ask ernie (bige) ,he will know what the maximum comp is you can get

Posted on: 2011/6/13 10:52
_________________
77 1200 ute
77mm bore a15 ,12:1 comp
ported and reconed h89 head
fairly aggro cam ,billet rocker spacers
twin 40mm solex carbs on bpro manifold
MSD 6al2 with 2 step limiter
4speed 60a box
hd clutch
2 inch exhaust
locked 4:11 ute diff
...
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