Cosworth YB Standard engine max BHP
#1
Cosworth YB Standard engine max BHP
I'm wondering what sort of power figures could I run with a standard cossie 4x4 engine I don't mind a turbo change etc to a T34 but will it work ok with a standard head
Last edited by damien roe; 19-04-2015 at 05:42 PM.
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damien roe (19-04-2015)
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Mark
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I have a std engine running exactly that amount that Mark mapped for me and put together the externals, it trashed the gearbox in no time but made the numbers. It is super responsive and almost feels slower than the laggy t34 I had due to the fast spool.
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Happy days if a hart inlet releases 60bhp. I do not think it will?
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A GOOD standard YB, a quality T38 and a set of decent injectors and strong head gasket will often yield up around the 450 mark.
The most I have seen on the dyno live mapping a T38 was 463 at 2.3bar but I suspect that was higher than standard compression as it also made unusually good low end power.
The most I have seen on the dyno live mapping a T38 was 463 at 2.3bar but I suspect that was higher than standard compression as it also made unusually good low end power.
Last edited by Stu @ M Developments; 23-04-2015 at 01:58 PM.
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cosvgl (24-04-2015)
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What spec is this MAD inlet cam?
which BD cam is it equivalent to, or is it a completely different spec?
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If everyone knew its Spec then it would not be a MAD Spec. I know from my own cams that Mark talks long & hard to a certain cam company getting exactly what he wants.
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natehall (19-02-2016)
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Random call from Tuner X.
"Hi Stu... we cant get more than 260bhp. What boost, spark advance and torque profile are you using? Are you desensitising the engine roughness tables? How do you get round the 1.6bar boost limits?"
Id be too embarassed to ask somethingh like that!
Last edited by Stu @ M Developments; 19-02-2016 at 02:53 PM.
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Same here on our 320bhp conversion for the Fiesta 1.6 Ecoboost.
Radom call from Tuner X.
"Hi Stu... we cant get more than 260bhp. What boost, spark advance and torque profile are you using? Are you desensitising the engine roughness tables? How do you get round the 1.6bar boost limits?"
Id be too embarassed to ask somethingh like that!
Radom call from Tuner X.
"Hi Stu... we cant get more than 260bhp. What boost, spark advance and torque profile are you using? Are you desensitising the engine roughness tables? How do you get round the 1.6bar boost limits?"
Id be too embarassed to ask somethingh like that!
Mark
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Drives me crackers mate, so many dissrespectful backstabbing tossers in our industry.
Most of whom genuinely wouldnt pass my little 2 page tuning exam that I give prospective employees before they can open a customers bonnet here.
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Wouldnt it be lovely to work in an industry where tradesmen respected each other and just did their own thing?
Drives me crackers mate, so many dissrespectful backstabbing tossers in our industry.
Most of whom genuinely wouldnt pass my little 2 page tuning exam that I give prospective employees before they can open a customers bonnet here.
Drives me crackers mate, so many dissrespectful backstabbing tossers in our industry.
Most of whom genuinely wouldnt pass my little 2 page tuning exam that I give prospective employees before they can open a customers bonnet here.
Mark
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So does that mean i cannot have your cam specs then Mark and those spark advance tables from you Stu?
Lmfao.
I get the same at work with joe public asking how we do things trouble is there is only so many ways to tell them to bring it to us.
At least now there are tuners like you both who do your own development work and turn out some cracking results. Unlike the days of copied dodgy chips.
Lmfao.
I get the same at work with joe public asking how we do things trouble is there is only so many ways to tell them to bring it to us.
At least now there are tuners like you both who do your own development work and turn out some cracking results. Unlike the days of copied dodgy chips.
#33
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i understand your point, but it would be good to have a general idea as to lift and duration so it could be compared to other cam specs.
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