as above.

Whats the point. Why not just chip it, then get it live mapped on the road or air strip etc???

Surely, with the engine out of the car you cant create the exact conditions of when the engine is in the car on the road.

 

how many places in the UK can you LEGALLY livemap a 500+bhp cossie with a 180+mph topspeed?

also how many tuners have testicles made from un-obtainium

 

the M4

 

lol,

or brunters or the like.

anyway, surely that cant be the reason for an engine dyno.

 

With a livemap, how are you going to have the graphs to back up figures in your sigs???????? Live maps don't win the pub talk wars either....

 

 

You don't need to map in top gear, so you don't need to do 180 mph to map the high end.

 

on a dyno it is easier to monitor whats going on inside the engine I should think as you aint got to dodge low flying birds etc etc

Plus its a dam sight safer pmsl

plus you can hold the engine at high revs for as long as you want.

 

Brunters aint that expensive to hire, about Ł50 an hour for testing I think?

Personally I think the only reason to dyno engines (other than the afforementioned pub figures & people wanting to know they've got what they've paid for) is maybe for a new spec of engine that's not been done before?

 

ok, that makes a bit more sense Benn

Would rather just put my tuners life in my hands than pay for my engine to be dyno'd though, fpmsl

 

Very true, according to Stu when he was setting up my car he holds the car on the brakes flat out in 4th up to the limiter (on a private test track of course ). This is very close to the load's experienced on the engine in top up a steep hill according to him

 

ah 4th gear

so only 120-150mph then

just what you need in rush hour on the M25

 

we use for testing purposes

i cudnt give a toss about power, times will show that

 

There's no rain in a dyno room either - may not need to do live map in top gear, but I guess live mapping is difficult if the wheels are spinning.... 500bhp RWD saph, and traction in 1st, second, and third gears don't go togethor .....

 

or 164 in Mike R's old saff

 

With an engine dyno you can tune at a set load and RPM for long lengths of time which will help get your A/F ratio in check without worrying about whether your A/F monitor is sampling fast enough. It also takes out uncontrolable veriables like hills and such.

 

You can replicate load points run after run to check and test fuelling / ignition at each rpm point. You STILL need to check the engine once in the car as well, but this will be minor tweaking by comparison.

In my own mind, I would NEVER dare max out a car in fifth that had only been mapped in fourth. I would want piece of mind to know that it had been checked in it's worse case scenario, as shit happens at 7500rpm in fifth .

 

Is it the norfolk meet tonight??

 

good post this one!