performance??
#1
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pleased with the power my car made by going gotech - 233 bhp with 234 lbs torque! only engine mod is my newman cam lol. peaking 19psi.
what sort of performance figures am I looking at with this power (0-60, 0-100, 1/4 mile ect) with full standard interior, uprated suspension / bushes - nothing special.
how would I compare drag racing a stage 1 cossie??
cheers
what sort of performance figures am I looking at with this power (0-60, 0-100, 1/4 mile ect) with full standard interior, uprated suspension / bushes - nothing special.
how would I compare drag racing a stage 1 cossie??
cheers
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I mean you can put in program everything ( height, widht, power , rpm, tyres ..........) and you will get your 0-60 times and much more. U just download from web free program who works in DOS.
#7
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i would say at its best, if those bhp figures are accurate.
on good road tyres, and V- good driver, 13.8 @ 104 mph ish.
and 0-60 in 5.5, 0-100 in 13 seconds
on good road tyres, and V- good driver, 13.8 @ 104 mph ish.
and 0-60 in 5.5, 0-100 in 13 seconds
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http://www.cartestsoftware.com/cartest4.5/index.html
at the end of page u can download.
All data you will find here : www.carfolio.com (search:escort)
at the end of page u can download.
All data you will find here : www.carfolio.com (search:escort)
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#9
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Originally Posted by Hrsturbo
pleased with the power my car made by going gotech - 233 bhp with 234 lbs torque! only engine mod is my newman cam lol. peaking 19psi.
what sort of performance figures am I looking at with this power (0-60, 0-100, 1/4 mile ect) with full standard interior, uprated suspension / bushes - nothing special.
how would I compare drag racing a stage 1 cossie??
cheers
what sort of performance figures am I looking at with this power (0-60, 0-100, 1/4 mile ect) with full standard interior, uprated suspension / bushes - nothing special.
how would I compare drag racing a stage 1 cossie??
cheers
u using standard gearbox and clutch on that aswell?
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soz about the questions but would love that sort of power
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#10
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out of curiousity is this power measured at the wheels or flywheel and what about cooling mods are you running the standard intercooler and what about turbo? is that standard and how much boost are you running
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using standard turbo / enigine apart from my newman cam and solid followers I fitted.
Got a radtech frontmount intercooler with stage 1 gearbox, AP paddle clutch. Vibratechnic gearbox mounts, silicon hoses.
greddy electronic boost controller set at 19psi.
Made 205bhp on rolling road with standard mfi setup at 16psi, got gotech fitted and boost increased to 19psi and made 233bhp on rolling road.
Its flywheel figures I think. pretty sure they work out losses through the transmission on the rolling road.
next to come is head work which should release some more bhp before touching the engines internals to up the boost lol
Got a radtech frontmount intercooler with stage 1 gearbox, AP paddle clutch. Vibratechnic gearbox mounts, silicon hoses.
greddy electronic boost controller set at 19psi.
Made 205bhp on rolling road with standard mfi setup at 16psi, got gotech fitted and boost increased to 19psi and made 233bhp on rolling road.
Its flywheel figures I think. pretty sure they work out losses through the transmission on the rolling road.
next to come is head work which should release some more bhp before touching the engines internals to up the boost lol
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yeah jamsport, why are they meant to be out?? or are they fairly accurate?? when it was rolling roaded at 205bhp it was on power engineering rollers and feels a lot quicker now
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I know PE rollers over read, of what i've seen & raced.
Not sure about Jamsport RR, But Pf Nicks 260 bhp car, only done terminal times of a 220bhp car.
Not sure about Jamsport RR, But Pf Nicks 260 bhp car, only done terminal times of a 220bhp car.
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I know all rolling roads are going to be slightly different but surely they wouldnt be as much as 40bhp out??
looks like I'm going to santa pod in summer lol
looks like I'm going to santa pod in summer lol
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It will be if thay use different mao for a RR readout, and one for the road.
i believe the only Real accurate RR's are really Dyno Dynamics RR.
i believe the only Real accurate RR's are really Dyno Dynamics RR.
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dnt think so, like I said rolling roaded at 205bhp at power engineering then change management and up boost, feels a lot quicker and graph shows 233bhp at jamsport.
unless there both into it lol
unless there both into it lol
#20
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I recon at a guess you'd see 60 in about 6.5, 100 in about 14 and quarters in about 14.5 at just over 100mph (all rough estimates in my opinion)
Cheers
Paul
Cheers
Paul
#21
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No, i'm saying nothing against Jamsport in anyway.
Just PF Nicks car might of been mapped on the RR to get the figure, and gets used on the road on a different map.
Just PF Nicks car might of been mapped on the RR to get the figure, and gets used on the road on a different map.
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Originally Posted by Andy_R
Originally Posted by Fiecos Dan
i believe the only Real accurate RR's are really Dyno Dynamics RR.
Dont believe the hype
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#25
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Gary, I wouldnt go as far as to say that they were "the only real accurate RR" they are a damn sight better than most though ![Pthbbbb](https://passionford.com/forum/images/smilies/smile045.gif)
I recall at a recent RR day attended by Ben & Nick from Performance Ford, they both commented on "how good a set up AVA had, compaired with others"
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I recall at a recent RR day attended by Ben & Nick from Performance Ford, they both commented on "how good a set up AVA had, compaired with others"
#27
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i have been to Rolling roads where the operator doesnt even check the oil
the RR i only as good as the operator..
i have been to places with brand new dyno dynamics set ups where it is very clear that the owner has no clue what they are doing...
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the RR i only as good as the operator..
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i have been to places with brand new dyno dynamics set ups where it is very clear that the owner has no clue what they are doing...
#29
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Originally Posted by Andy_R
Originally Posted by Fiecos Dan
i believe the only Real accurate RR's are really Dyno Dynamics RR.
Dont believe the hype
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Sorry, But thats may belief, after using a few RR's, the DD RR seem'd best. and i aint the only one saying it, so are alot of TOP tuners.
But As Euan said, a RR only as good as the operator.
#30
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one problem i have found with DD rolling roads are the small retarders..
this caps top speed on the rollers to 120mph...
makes it very hard to test the car properly...
this caps top speed on the rollers to 120mph...
makes it very hard to test the car properly...
#32
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Originally Posted by Fiecos Dan
I know PE rollers over read, of what i've seen & raced.
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Originally Posted by rapidcossie
one problem i have found with DD rolling roads are the small retarders..
this caps top speed on the rollers to 120mph...
makes it very hard to test the car properly...
this caps top speed on the rollers to 120mph...
makes it very hard to test the car properly...
and its 150mph actually
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Originally Posted by LEE-RS
sometimes lower power is quicker to 100 because you have less issues with not getting traction ![Big Grin](https://passionford.com/forum/images/smilies/icon_mrgreen.gif)
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#35
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Originally Posted by Gary @ APT
Originally Posted by rapidcossie
one problem i have found with DD rolling roads are the small retarders..
this caps top speed on the rollers to 120mph...
makes it very hard to test the car properly...
this caps top speed on the rollers to 120mph...
makes it very hard to test the car properly...
and its 150mph actually
i mean its hard to test a powerful car properly due to the load that has to be put on the rollers to contain the torque of the car.
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Originally Posted by rapidcossie
Originally Posted by Gary @ APT
Originally Posted by rapidcossie
one problem i have found with DD rolling roads are the small retarders..
this caps top speed on the rollers to 120mph...
makes it very hard to test the car properly...
this caps top speed on the rollers to 120mph...
makes it very hard to test the car properly...
and its 150mph actually
i mean its hard to test a powerful car properly due to the load that has to be put on the rollers to contain the torque of the car.
#37
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As Gary said, i think wheel spin will only be the factor, But if strap'd down correctly, i've seen a DD RR take 1200 bhp on RWD muscle car, with NO wheel spin.
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to make sure you guys are not getting wheel spin on the dyno ask the operater to measure engine rpm at the engine not calculated from roller speed and then after a run get them to plot engine speed against road speed,
the line should be straight if theres no wheel spin,ill get a printout if i think of it and show you
beware though if they do measure engine rpm from rollers line will also be straight so insist they use a engine rpm pick up
the line should be straight if theres no wheel spin,ill get a printout if i think of it and show you
beware though if they do measure engine rpm from rollers line will also be straight so insist they use a engine rpm pick up
#39
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Gary,
What happens to the power and torque,
if say the speed to gear is not correct,
if wheel spin happens,
and also the difference if run up in 3rd or 4th?
Will it read over or under?
What happens to the power and torque,
if say the speed to gear is not correct,
if wheel spin happens,
and also the difference if run up in 3rd or 4th?
Will it read over or under?
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If you look at these graphs, the axis' represent actual speed and RPM. For those that don't understand the technical aspect of RR runs, let me clarify.
If a car is accelerating, whether it be on the Rollers or on the road, in relation to the Speed, the RPM must rise in a linear fashion, in other words, the speed and RPM rise proportionally.
If the RPM rises, but the speed doesn't follow a similar linear pattern, then traction has been lost. Imagine what it is like on the road, you plant your foot in second, it breaks traction and the RPM shoots right round, but you don't really go much faster.
The first graph shows a successful run, where the Speed vs RPM plot is a straight line, rising in a proportional manner (otherwise known as 'linear'). There was categorically no wheelspin on this run......
![](https://i5.photobucket.com/albums/y152/APT/SpeedVSRPM001.gif)
This graph shows a glitch at around 4600rpm, which is about when peak torque is produced on this car. Traction was lost here. That run should be disregarded.......
![](https://i5.photobucket.com/albums/y152/APT/SpeedVSRPM002.gif)
Of course it is important to measure RPM accurately too. Alot of RR operators for ease just use the car's RPM gauge, but these are notoriously innacurate. The best way is to probe an ECU pin or use an HT pickup.
I hope this helps people understand a bit about loss of traction on the dyno and the significance of it in relation to the accuracy of the results.
If a car is accelerating, whether it be on the Rollers or on the road, in relation to the Speed, the RPM must rise in a linear fashion, in other words, the speed and RPM rise proportionally.
If the RPM rises, but the speed doesn't follow a similar linear pattern, then traction has been lost. Imagine what it is like on the road, you plant your foot in second, it breaks traction and the RPM shoots right round, but you don't really go much faster.
The first graph shows a successful run, where the Speed vs RPM plot is a straight line, rising in a proportional manner (otherwise known as 'linear'). There was categorically no wheelspin on this run......
![](https://i5.photobucket.com/albums/y152/APT/SpeedVSRPM001.gif)
This graph shows a glitch at around 4600rpm, which is about when peak torque is produced on this car. Traction was lost here. That run should be disregarded.......
![](https://i5.photobucket.com/albums/y152/APT/SpeedVSRPM002.gif)
Of course it is important to measure RPM accurately too. Alot of RR operators for ease just use the car's RPM gauge, but these are notoriously innacurate. The best way is to probe an ECU pin or use an HT pickup.
I hope this helps people understand a bit about loss of traction on the dyno and the significance of it in relation to the accuracy of the results.