got the fd dynod today

[RotorHeid]

Wheel stands may happen if I get a PP turbo in there and some race fuel!!:D

Hello Grant, forget about pp turbo, go for semi-pp turbo and it\'ll blow off any thing on the dragstrip. canna explained why on this forum but know it too well
>>>>semi- pp turbo.<<<<<

[zeppelin101]

GT35r\'s are Over rated if you ask me, Good as a plug and play turbo yes but i have a Turbo thats comonly found and 10+ years old, ok its a bit tweaked and has a very good quality 360 bearing in it but it pulls the best Power curve i\'ve come across (450hp at the fly)

There are better units out there.

RE: The GT30, I did say mid-range torque machine Depends what you\'re after of course.

How anyone can claim flywheel horsepower with an arbitrary percentage increase though without sticking the engine on a proper engine dyno still defeats me, especially when the cars in question are old.

[Grant Monkhouse]

Hello Grant, forget about pp turbo, go for semi-pp turbo and it\'ll blow off any thing on the dragstrip. canna explained why on this forum but know it too well
>>>>semi- pp turbo.<<<<<

Too much complication in my eyes for semi pp, lots of fab work. Plus a full pp sounds epic.

Why can\'t you explain on here? Email me if you like. grant.monkhouse@hotmail.co.uk

[RotorHeid]

Too much complication in my eyes for semi pp, lots of fab work. Plus a full pp sounds epic.

Why can\'t you explain on here? Email me if you like. grant.monkhouse@hotmail.co.uk

Not complication to me and explaining in English is...

[Grizzly]

Semi p/p are great if you copy Logans design at Defined Autoworks but box off both Inlets and Turbo it  

Always going to be better if you can find a way to keep the Primary port away from the P/P keep the Velocity up for off boost driving (thats the biggest down fall of the P/P imho)

[Grizzly]

RE: The GT30, I did say mid-range torque machine Depends what you\'re after of course.

Hehe...... I want it ALL!!!

How anyone can claim flywheel horsepower with an arbitrary percentage increase though without sticking the engine on a proper engine dyno still defeats me, especially when the cars in question are old.

There are so many variables that its a pointless exercise so a smart man uses it as a guide not gospel. But its some thing to compair, you know your on the right path when your 70lbs of torque at the hubs at say 4500 (the dyno in\'t going to be that far off )

[zeppelin101]

It\'s inferred from a measurement :confused: So why start quoting an assumed value when there is an actual measured value there lol

Completely illogical!

[JayDee]

some dyno can be and some dyno operators change settings to make you see what you want!

Hehe...... I want it ALL!!! :
There are so many variables that its a pointless exercise so a smart man uses it as a guide not gospel. But its some thing to compair, you know your on the right path when your 70lbs of torque at the hubs at say 4500 (the dyno in\'t going to be that far off )

[Grant Monkhouse]

some dyno can be and some dyno operators change settings to make you see what you want!

Jay what would be your opinion on either a small single turbo on stock ports or the twins with all the complication. Not asking for any trade secrets, just what you would prefer.

What size turbo would you use etc?

[Will66]

Why do people get hung up on flywheel horsepower? The power at the wheels is what is driving you down the road.

[Grizzly]

It\'s inferred from a measurement :confused: So why start quoting an assumed value when there is an actual measured value there lol

Completely illogical!

Because a. Every one else\'s is too so easy to compair  b. because it looks better c. its only an Educated guess anyway so who cares? d. when you compair it to say a R35 or a stock super car there all in Fly figures.

All that Matters is you know if the HP qouted is Fly or Hubs, Fly is of course callculated from the hub figure but hey the hub figure is an educated guess too..So? A Chassis dyno is a Tool to set cars up the Figures are just a peice of paper you can show your mates

Will66, why don\'t you change your sig if you feel like that? or do you like the higher Fly figure?

[Grizzly]

some dyno can be and some dyno operators change settings to make you see what you want!

Don\'t i know it, every one is so hung up on Peak HP nowadays. So they give you what you want. Its why i use a Dyno i know reads lower than most other makes/models and i make sure its set the same for each run so i can compair and use what i\'ve lernt. I\'m sure my car is running on the rich side so could proberly get some more from it but i hit the number i was looking for so it has a safe map that i get 25mpg and a nice curve, is good for me. Now since it was set up i have run it on two other make Chassis dyno\'s localy and have both read higher numbers i have also run it with a V-Box which i was also happy with. So i\'m happy my goal hp is going to say min of 370rwhp on any calibrated Dyno i put the car on not many can say that.

[Grizzly]

Jay what would be your opinion on either a small single turbo on stock ports or the twins with all the complication. Not asking for any trade secrets, just what you would prefer.

What size turbo would you use etc?

At 350hp at the fly You have to have a target to go off? oviously 300hp will need a diffrent turbo to 500hp... I don\'t question anything over 350 needs a Single turbo what i am saying is under 350hp (and if all the vac assembly is in good order) twins make the better choice for a ROAD car.

[Will66]

In the case of my signature, it defines the model of the car.  I wouldn\'t ever bother taking it near a dyno, there\'s no point, it\'s a stock motor running a few bolt ons and its AFRs sit nicely around 12:1 on WOT throughout the rev range.  Whatever power it does have is fully exploitable by the chassis though

[zeppelin101]

All that Matters is you know if the HP qouted is Fly or Hubs, Fly is of course callculated from the hub figure but hey the hub figure is an educated guess too..So? A Chassis dyno is a Tool to set cars up the Figures are just a peice of paper you can show your mates

The flywheel figure is an arbitrary percentage based on the drivetrain layout a car has, hardly the height of educated guesswork!

A dyno is only as accurate as the data that is put into it. I know this from first hand experience doing emissions certification for an OEM.

You can usually tell how a dyno is run (ie, how much they "tinker") within the first five minutes of being there. The only place in the UK I would take my car for an even remotely honest dyno assessment is Surrey Rolling Road. Frankly though, if it feels fast then that is usually good enough. The majority of people can\'t quantify what a number feels like in terms of acceleration.

My mate tells me regularly he drives a 440hp vehicle. It just so happens it\'s a HGV lol