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Originally Posted by GSi_PSi
i think 1/4 mile times are quite better than dyno figures.
So TB are you going to post the power output?
hmmm, nah, i might leave it up to you 'calculate' my power output from my 1/4 ET, MPH and vehicle weight? fair deal?
B20VTEC - since 2002
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Originally Posted by tinkerbell
hmmm, nah, i might leave it up to you 'calculate' my power output from my 1/4 ET, MPH and vehicle weight? fair deal?
Deal!
I'll need weight of your car, friction of your tyres, what sort of raod base used on the 1/4 mile, wind factors, gear ratios, shift speeds (hope you timed yourself otherwise it might be hard to get an accurate calculation), and last but not least your MPH.
(not serious, just taking the piss out of it)
1/4 mile times are silly to try and calculate numbers, you don't know what's been done in terms of weight reduction, aerodynamics, ect.
We're doing it for the children.
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Originally Posted by newpaddy3
1/4 mile times are silly to try and calculate numbers,
doh! so how do we work out who has the largest penis then?
B20VTEC - since 2002
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Originally Posted by tinkerbell
doh! so how do we work out who has the largest penis then?
ummm... engine displacement?
We're doing it for the children.
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hmmm, perhaps BMEP might be worth a look?
B20VTEC - since 2002
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I'd support that, on a side note to back that up the Zonda R has a 6L engine making 750HP and Holden have a 6L engine making 360HP.
And to keep this thread related I'm thinking I might go ls/vtec, seems cheaper than an engine conversion plus I can keep the same engine number too.
We're doing it for the children.
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the B20VTEC principles all equally apply to LSVTEC, and the two benefits you list are pretty good for those on a budget...
you say no engine 'swaps', but i still would recommend doing it by removing the engine from the car to build it...
B20VTEC - since 2002
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Yeah I understand there is a lot of work needed to prep the block.
I don't say no to engine swaps, I just think sometimes it's cheaper to work with what you got. Not all the time though.
If I was to get a slighty higher compression piston would I have to upgrade anything else? Bolts ect?
And what's the danger of going to high a compression? Piston to valve contact? If there is enough clearance would anything else be an issue?
We're doing it for the children.
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what CR are you planning?
B20VTEC - since 2002
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Well I'm not really sure to be honest, I'd like to extract a decent amount of power out of it yet I still want it to be reliable because it's a daily driver.
It's a B18B so it has a compression ratio of 9.2:1 and I understand that changing the vtec head over will affect the compression ratio.
We're doing it for the children.
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B20VTEC - since 2002
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My Old EG back in the days with a internally OEM B18cR motor with Intake, headers, exhaust and tune ran 13.6@103mph. This was on road tyres.
Power figures between different dyno's are irrelevant. 120kw from dyno A can mean 140kw at dyno B. The real result is on the circuit and 1/4mile. Track Times do the talking, dyno numbers are just to wank over
*DLO01 Edit* removed detail to keep the peace
Last edited by DLO01; 07-09-2010 at 09:20 PM.
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