Estimated Top speed for.....
21-12-2005, 09:48 PM
#161
dyno's should be left for development and running in process's only - all other times there not required , performace car MUST be checked LIVE and to their own ability in their own environment . the run of the mill cosworth engine does not need to be dynoed
22-12-2005, 07:14 AM
#162
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Originally Posted by Dingy
Dave's jayb's old car pulled the limiter on a t34 @ 7200 on 17's
22-12-2005, 07:29 AM
#163
Originally Posted by MADRod
Reading on this Topic that people are moaning over £350 det check before a Topspeed run. If you want your engine to last get it done.
Mine has done 19 Topspeed runs to date & its Det checked before & then during the run. Mark has come off the gas a couple of times cos he heard a minute crack of Det. Without this checking nothing would appear to be wrong until you drop a piston.
20 secs Flat out in 5th aint possible on the road its an extreme test.
Asked about this cars Topspeed i will be as honest as i can & its not a diss.
Correctly geared 450bhp will see around 174 with the wing off. However this car is lacking Torque to acclerate the car up to those Speeds & i suggest it will still be acclerating at the brake point @ around 170 tops.
I wont be wrong have done it too many times.
Rod
Mine has done 19 Topspeed runs to date & its Det checked before & then during the run. Mark has come off the gas a couple of times cos he heard a minute crack of Det. Without this checking nothing would appear to be wrong until you drop a piston.
20 secs Flat out in 5th aint possible on the road its an extreme test.
Asked about this cars Topspeed i will be as honest as i can & its not a diss.
Correctly geared 450bhp will see around 174 with the wing off. However this car is lacking Torque to acclerate the car up to those Speeds & i suggest it will still be acclerating at the brake point @ around 170 tops.
I wont be wrong have done it too many times.
Rod
!
22-12-2005, 09:55 AM
#164
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Originally Posted by Dingy
Dave's jayb's old car pulled the limiter on a t34 @ 7200 on 17's
..
..
Cams head zorst housing injectors c/r?
Also the exact tyre sizes??
std box and diff ratios??
22-12-2005, 09:57 AM
#165
Originally Posted by Damo V
Originally Posted by Dingy
Dave's jayb's old car pulled the limiter on a t34 @ 7200 on 17's
..
..
Cams head zorst housing injectors c/r?
Also the exact tyre sizes??
std box and diff ratios??
Jay's car also had the "delete wing" option...
. This is the one that Steven Fletcher now owns, so I'm sure you can get the full SP off him .
22-12-2005, 10:53 AM
#167
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What ever the final speed is Dave it should be quick-enough you cun't!
Out of curiosity what would the top speed of a stage 3 (330bhp) escos be??
Out of curiosity what would the top speed of a stage 3 (330bhp) escos be??
22-12-2005, 10:59 AM
#170
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Originally Posted by Simon Day
What ever the final speed is Dave it should be quick-enough you cun't!
Out of curiosity what would the top speed of a stage 3 (330bhp) escos be??
Out of curiosity what would the top speed of a stage 3 (330bhp) escos be??
about 155 i would imagine
22-12-2005, 11:16 AM
#171
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Originally Posted by Simon Day
What ever the final speed is Dave it should be quick-enough you cun't!
Out of curiosity what would the top speed of a stage 3 (330bhp) escos be??
Out of curiosity what would the top speed of a stage 3 (330bhp) escos be??
I once hit the limit in 5th in mine, on a LONG runway perfectly flat and straight
std tyre sizes and IIRC depending on where the limit actually was, that was a real speed of anywhere between 155-162MPH
22-12-2005, 11:21 AM
#172
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Originally Posted by markk
dyno's should be left for development and running in process's only - all other times there not required , performace car MUST be checked LIVE and to their own ability in their own environment . the run of the mill cosworth engine does not need to be dynoed
22-12-2005, 11:43 AM
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I once hit the limit in 5th in mine, on a LONG runway perfectly flat and straight std tyre sizes and IIRC depending on where the limit actually was, that was a real speed of anywhere between 155-162MPH
- thats not too bad then!Dave, Damo - have you got any top speed runs planned early next year then? and how long brfore you see full boost? - Damo - still some time in Jan?
22-12-2005, 05:09 PM
#175
Originally Posted by Mike Rainbird
Depends if you have a base map to work from that has already been on the dyno that you have a map for. When using different injectors / turbo etc, I would want the load points done accurately on the dyno for peace of mind.
22-12-2005, 05:26 PM
#176
Originally Posted by Mike Rainbird
Nice to see that the two people with the most experience on this thread of high speed runs agree TOTALLY (even down to the speed for Dave's car) !
!It was Mike that got me started on this Topspeed Lark.
He turned up did two 180 runs & then went home, i was well impressed, but as a member of the enemy (at the time) could not admit it.
The MAD team were not as expierienced at that time & it took us all day to beat Mikes times. I then realised just how much previous experience counted & i decided to get to grips with it. Would loved to have had Mike in the battle for 200+ that would have been epic, but he turned into a Pansy & bought an Escort.
22-12-2005, 06:03 PM
#179
Originally Posted by Ryan
markk, glad you agree with me mate about the dyno threory.
maybe its just me ? but i dont think so - i too would be gutted if id payed £xxx for a motor of a 400 ish spec and had to pay for dyno time and live mapping time as well.
22-12-2005, 06:17 PM
#181
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Originally Posted by Bosch-Man
Markk why dyno even Martins when a decent ECU can autotune? (assuming he on a decent ECU!)
Its a little more complicated than that when biuld big engine,s but also you need to see what HP and TQ and where, This will pay divedens when doing Topspeed runs to know what and were max power is,
I recomend Dyno'ing all big engines mainly for the graph and safety mapping it,
I can tweak a big engine at brunters in 2 goes and you know its just about right, If it has not been on the dyno then you are looking at 5 to 10 goes,
Then if it is a unknow spec and mapping from scratch then you can double that easly and you also double the danger to you and the engine.
Mark
22-12-2005, 06:20 PM
#183
Originally Posted by Bosch-Man
Markk why dyno even Martins when a decent ECU can autotune? (assuming he on a decent ECU!)
This car will work properly like mine cos he dont cut corners & knows what he is doing.
22-12-2005, 07:24 PM
#186
Originally Posted by madevelopments
Originally Posted by Bosch-Man
Markk why dyno even Martins when a decent ECU can autotune? (assuming he on a decent ECU!)
Its a little more complicated than that when biuld big engine,s but also you need to see what HP and TQ and where, This will pay divedens when doing Topspeed runs to know what and were max power is,
I recomend Dyno'ing all big engines mainly for the graph and safety mapping it,
I can tweak a big engine at brunters in 2 goes and you know its just about right, If it has not been on the dyno then you are looking at 5 to 10 goes,
Then if it is a unknown spec and mapping from scratch then you can double that easly and you also double the danger to you and the engine.
Mark
.Markk,
Given that the T38 is a relatively new turbo on the market, there aren't ANY off the shelf maps for it
.
22-12-2005, 10:43 PM
#192
Originally Posted by Mike Rainbird
Originally Posted by madevelopments
Originally Posted by Bosch-Man
Markk why dyno even Martins when a decent ECU can autotune? (assuming he on a decent ECU!)
Its a little more complicated than that when biuld big engine,s but also you need to see what HP and TQ and where, This will pay divedens when doing Topspeed runs to know what and were max power is,
I recomend Dyno'ing all big engines mainly for the graph and safety mapping it,
I can tweak a big engine at brunters in 2 goes and you know its just about right, If it has not been on the dyno then you are looking at 5 to 10 goes,
Then if it is a unknown spec and mapping from scratch then you can double that easly and you also double the danger to you and the engine.
Mark
.Markk,
Given that the T38 is a relatively new turbo on the market, there aren't ANY off the shelf maps for it
. oh and i believe this is for you
23-12-2005, 12:02 AM
#193
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The fucking bullshit a tuner will go to in order to make cash from a punter. £700 for a dyno session that is not needed. LOL at the special T38 from SCS, I bet there is nothing special about it at all - just bollocks to generate interest and in turn victims. Stick the engine in the bin and get a proper engine from someone else I say!!
23-12-2005, 12:22 AM
#194
wtf is "--" talking about.
Dyno an engine, then Rolling road it to understand the changes once its in a car and has all the restrictions, then final testing on the road. Should result in very few risks to car or owner as most of the uber stressful stuff happens on the r/r
Cheers
RW
Dyno an engine, then Rolling road it to understand the changes once its in a car and has all the restrictions, then final testing on the road. Should result in very few risks to car or owner as most of the uber stressful stuff happens on the r/r
Cheers
RW
23-12-2005, 12:26 AM
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Originally Posted by Steven_RW
wtf is "--" talking about.
Dyno an engine, then Rolling road it to understand the changes once its in a car and has all the restrictions, then final testing on the road. Should result in very few risks to car or owner as most of the uber stressful stuff happens on the r/r
Cheers
RW
Dyno an engine, then Rolling road it to understand the changes once its in a car and has all the restrictions, then final testing on the road. Should result in very few risks to car or owner as most of the uber stressful stuff happens on the r/r
Cheers
RW
What other tuners would try and get a punter to do this ?
NONE I bet - it just need re-mapping on the road or better still at brunters...
23-12-2005, 08:29 AM
#196
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No one says it needs to go on a dyno.
i wouldn't take my engine out to run it on a dyno (for a new turbo or cams) I would remap it, and then take it to a good Rolling road for a power graph.
but i agree with puttin a fresh engine on the dyno, cos
1 can run the engine in easy. whilst doin that part throttle and loads can be mapped.
2 can check engine even wen held at load ( cant get out your car at 80mph and look under the bonnet)
3 will see any leaks or problems if any.
4 then it can be mapped at different boost/ rpm's.
5 then mapped for full boost all the way thro rev range.
6 Then ACT's can be changed if on good dyno, for ign and fuel changes.
7 then cam timin can be tweeked to see if their any advantages in doin so.
8 AT the end of it you have a power graph Which 1 is good for the pub, and 2 as very important wen usin the car in anger, where the power and torque is ( as no point holdin a gear to the redline if powers dropped off)
9 also fuel can be changed easy, to have a remap on different fuel, or even nos,
Then most importantly is once engines fitted in the car, Check and tweek where needed.
most of the above i thinks been mentioned already.
Also a engine dyno is the MOST accurate way to measure the power at the fly wheel ( if dyno's set up right and run as it should be)
i looked at it as if you dont go on the dyno, you will need the car mapped any way before you run it in, as if not mapped right (and over fuelin) the engine wont run in probertly. and then it WILL need a remap once runnin full power,
So really it not that much dearer to put a engine on a dyno.
i wouldn't take my engine out to run it on a dyno (for a new turbo or cams) I would remap it, and then take it to a good Rolling road for a power graph.
but i agree with puttin a fresh engine on the dyno, cos
1 can run the engine in easy. whilst doin that part throttle and loads can be mapped.
2 can check engine even wen held at load ( cant get out your car at 80mph and look under the bonnet)
3 will see any leaks or problems if any.
4 then it can be mapped at different boost/ rpm's.
5 then mapped for full boost all the way thro rev range.
6 Then ACT's can be changed if on good dyno, for ign and fuel changes.
7 then cam timin can be tweeked to see if their any advantages in doin so.
8 AT the end of it you have a power graph Which 1 is good for the pub, and 2 as very important wen usin the car in anger, where the power and torque is ( as no point holdin a gear to the redline if powers dropped off)
9 also fuel can be changed easy, to have a remap on different fuel, or even nos,
Then most importantly is once engines fitted in the car, Check and tweek where needed.
most of the above i thinks been mentioned already.
Also a engine dyno is the MOST accurate way to measure the power at the fly wheel ( if dyno's set up right and run as it should be)
i looked at it as if you dont go on the dyno, you will need the car mapped any way before you run it in, as if not mapped right (and over fuelin) the engine wont run in probertly. and then it WILL need a remap once runnin full power,
So really it not that much dearer to put a engine on a dyno.
24-12-2005, 03:30 PM
#198
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Originally Posted by _
The fucking bullshit a tuner will go to in order to make cash from a punter. £700 for a dyno session that is not needed.
No, if you want that particular turbo, then it only comes with a dyno session currently. No different to other tuners who only sell certain parts if bought with certain other parts/package. Of course it'd be cool if Harvey did R&D and then gave all that hard earned info away for free 
LOL at the special T38 from SCS, I bet there is nothing special about it at all - just bollocks to generate interest and in turn victims.
You REALLY want to bet on that?
Stick the engine in the bin and get a proper engine from someone else I say!!
You're not by chance a bitter, Ex-SCS customer are you, who f*cked his own engine?
No, if you want that particular turbo, then it only comes with a dyno session currently. No different to other tuners who only sell certain parts if bought with certain other parts/package. Of course it'd be cool if Harvey did R&D and then gave all that hard earned info away for free
LOL at the special T38 from SCS, I bet there is nothing special about it at all - just bollocks to generate interest and in turn victims.
You REALLY want to bet on that?
Stick the engine in the bin and get a proper engine from someone else I say!!
You're not by chance a bitter, Ex-SCS customer are you, who f*cked his own engine?
