Gary's Evo - 15-09-08 - Update!!!
25-01-2007, 10:27 AM
#85
Guys, sorry for the delay in updating here.
The Evo has been mapped for 1.7bar and has done a trackday at Snetterton, where it spanked everything on the track. We have no idea at this stage what power it has, but it feels fantastic. It must be around 500bhp. The lag that we expected just isn't there, it is still really nice and driveable.
Please see our media page for a video link to this trackday - http://www.ap-tuning.co.uk/media/VideoClips.asp
Sorry that it isn't the best view, we are still learning about the camcorder and mount also!!
We mapped it to 1.7 bar whilst it was running the Front-wheel-drive set-up and made the [wise] decision to stop there, as we didn't know how much more the FWD transmission would take!!
We had some minor issues with the turbo, but these are now resolved, however, we are getting some other bits-and-pieces sorted, such as an AIM MXL Pista dash.
This will do away with the need for separate gauges and has a really effective internal logging facility.
We will one day map it for more boost, but will wait until either we have a 4wd Dyno (a few months time) or we can use someone elses Dyno.
There is also an Evo RS rear diff conversion in the pipeline. For those that don't know, road-going AYC equipped Evo's suffer from weakness of the rear diff, Gary has already spanked one at a cost of Ł1000.
The RS conversion is virtually bullet-proof, so hopefully with that fitted, we can go launching!! The Gearbox is still a bit of a worry, but they do seem to run them in the US at more power and not have too many problems.
We had the chance to have a play with a Racelogic Driftbox over Xmas and with the roads being damp/cold and not trying really hard we managed a low 4-second 0-60. That was with all 4 wheels spinning and with the knowledge that the diff might explode, so it will be interesting to see what it will do once the transmission is beefed up a bit.
The Evo has been mapped for 1.7bar and has done a trackday at Snetterton, where it spanked everything on the track. We have no idea at this stage what power it has, but it feels fantastic. It must be around 500bhp. The lag that we expected just isn't there, it is still really nice and driveable.
Please see our media page for a video link to this trackday - http://www.ap-tuning.co.uk/media/VideoClips.asp
Sorry that it isn't the best view, we are still learning about the camcorder and mount also!!
We mapped it to 1.7 bar whilst it was running the Front-wheel-drive set-up and made the [wise] decision to stop there, as we didn't know how much more the FWD transmission would take!!
We had some minor issues with the turbo, but these are now resolved, however, we are getting some other bits-and-pieces sorted, such as an AIM MXL Pista dash.
This will do away with the need for separate gauges and has a really effective internal logging facility.
We will one day map it for more boost, but will wait until either we have a 4wd Dyno (a few months time) or we can use someone elses Dyno.
There is also an Evo RS rear diff conversion in the pipeline. For those that don't know, road-going AYC equipped Evo's suffer from weakness of the rear diff, Gary has already spanked one at a cost of Ł1000.
The RS conversion is virtually bullet-proof, so hopefully with that fitted, we can go launching!! The Gearbox is still a bit of a worry, but they do seem to run them in the US at more power and not have too many problems.
We had the chance to have a play with a Racelogic Driftbox over Xmas and with the roads being damp/cold and not trying really hard we managed a low 4-second 0-60. That was with all 4 wheels spinning and with the knowledge that the diff might explode, so it will be interesting to see what it will do once the transmission is beefed up a bit.
28-01-2007, 11:22 AM
#90
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That Manifold is very sexy 
. Although i just watched the video clip of you taking Gary on at Bruntingthorpe, its the funniest thing ive seen for ages 
P.S we are currently looking for a new venue for the Norfolk Group thrash, as you can probably guess we are now too noisy for thier runway!!!!! 
. Although i just watched the video clip of you taking Gary on at Bruntingthorpe, its the funniest thing ive seen for ages P.S we are currently looking for a new venue for the Norfolk Group thrash, as you can probably guess we are now too noisy for thier runway!!!!!
15-04-2007, 06:23 AM
#91
10K+ Poster!!
Christian and Beccy any recent updates?
the K1 crank Gary's using, is it 100mm stroke?
and is the head standard? and if he built the head himself, could you ask him if the lash adjusters can be done without removing the cams, as mine are starting to get a little tappy
the K1 crank Gary's using, is it 100mm stroke?
and is the head standard? and if he built the head himself, could you ask him if the lash adjusters can be done without removing the cams, as mine are starting to get a little tappy
27-04-2007, 04:26 PM
#92
Well, it's been ages since I updated this thread, so here is a little update for you!!
Where on earth do I start??!!
The EVO RS Rear Diff conversion is now fitted. This is a steel-cased diff with no gadgetry and is what is usually fitted to the high-horsepower car's with good results. Of course the car has a much more 'real' feel, so you know where you are with it, instead of the computer sorting it all out so-to-speak.
We have also just complete a full gearbox rebuild using a brand-new Evo 9 GT gearkit. This has diffierent ratio's from what was in the car. We found that on track and in some of the sprint classes (particularly 30-130mph) the transition from 4th to 5th gear had a huge drop-off, these improved ratio's should address this, though will cap the top speed to under 160mph.
At this time we decided to take a look at the clutch (we fitted an Exedy Twin Plate last year) and since it was in good condition it would have been rude to leave it there!! So we sold it!!
In it's place is an Exedy Hyper Compe-R Twin Plate unit. This features an Ultra Lightweight Low Inertia drilled flywheel, rigid Low Inertia discs and an Aluminium cover. The result is a fantastic clutch that is great to drive with and the whole thing weighs around 4kg less than the previous twin-plate.
LET'S GO LAUNCHING!!
Next up is the Engine bay. The standard Evo Breather system has it's inadequacies, so we have fitted a Weapon-R Breather Tank, which is designed to fit in the triangular gap in the factory Strut-Brace. However, this tank comes with small push-on type connectors. This just didn't cut it. So we hacked those off and had -10 Alloy connectors welded on. The Rocker Cover was also drilled and tapped for -10. This meant that we could pipe the entire breather system in -10 pipework with the appropriate fittings......
We also re-piped the Boost Control Valve with Steel-Braided Hose.....
Next up, we have finally fitted and got working the AIM Dash. This has been a bit of a mission as it requires all the warning lights to go through a re-think!! A good friend of Gary's made the Carbon-Fibre Binnacle too, which we are extremely impressed with!! You can also see the new Sparco Suede Steering Wheel and Quick Release Boss in these pics......
The new Sparco Pro 2000's now sit on Bride Runners, so have full sliding adjustment and there will be a set of Black Harnesses going in shortly. The rear interior is completely gone now too.
Also, as an update on the power side of things. We have seen almost 570bhp at under 1.8 bar of boost. 460bhp at the wheels. This is on V-Power and considering that the kit can easily run 2.2 bar, infact it could run 2.5 bar, though we won't go that far, I think our target of 600bhp should be easy to achieve. I will add some more information and graphs as and when we get time to get on with the mapping.
Where on earth do I start??!!
The EVO RS Rear Diff conversion is now fitted. This is a steel-cased diff with no gadgetry and is what is usually fitted to the high-horsepower car's with good results. Of course the car has a much more 'real' feel, so you know where you are with it, instead of the computer sorting it all out so-to-speak.
We have also just complete a full gearbox rebuild using a brand-new Evo 9 GT gearkit. This has diffierent ratio's from what was in the car. We found that on track and in some of the sprint classes (particularly 30-130mph) the transition from 4th to 5th gear had a huge drop-off, these improved ratio's should address this, though will cap the top speed to under 160mph.
At this time we decided to take a look at the clutch (we fitted an Exedy Twin Plate last year) and since it was in good condition it would have been rude to leave it there!! So we sold it!!
In it's place is an Exedy Hyper Compe-R Twin Plate unit. This features an Ultra Lightweight Low Inertia drilled flywheel, rigid Low Inertia discs and an Aluminium cover. The result is a fantastic clutch that is great to drive with and the whole thing weighs around 4kg less than the previous twin-plate.
LET'S GO LAUNCHING!!
Next up is the Engine bay. The standard Evo Breather system has it's inadequacies, so we have fitted a Weapon-R Breather Tank, which is designed to fit in the triangular gap in the factory Strut-Brace. However, this tank comes with small push-on type connectors. This just didn't cut it. So we hacked those off and had -10 Alloy connectors welded on. The Rocker Cover was also drilled and tapped for -10. This meant that we could pipe the entire breather system in -10 pipework with the appropriate fittings......
We also re-piped the Boost Control Valve with Steel-Braided Hose.....
Next up, we have finally fitted and got working the AIM Dash. This has been a bit of a mission as it requires all the warning lights to go through a re-think!! A good friend of Gary's made the Carbon-Fibre Binnacle too, which we are extremely impressed with!! You can also see the new Sparco Suede Steering Wheel and Quick Release Boss in these pics......
The new Sparco Pro 2000's now sit on Bride Runners, so have full sliding adjustment and there will be a set of Black Harnesses going in shortly. The rear interior is completely gone now too.
Also, as an update on the power side of things. We have seen almost 570bhp at under 1.8 bar of boost. 460bhp at the wheels. This is on V-Power and considering that the kit can easily run 2.2 bar, infact it could run 2.5 bar, though we won't go that far, I think our target of 600bhp should be easy to achieve. I will add some more information and graphs as and when we get time to get on with the mapping.
27-04-2007, 11:28 PM
#103
10K+ Poster!!
Originally Posted by Christian and Beccy
Where on earth do I start??!!
Garys Evo's looking ace now, some real nice touches, must be a right weapon out on the road
28-04-2007, 02:22 PM
#105
Originally Posted by Red16
Christian and Beccy
the K1 crank Gary's using, is it 100mm stroke?
and is the head standard? and if he built the head himself, could you ask him if the lash adjusters can be done without removing the cams, as mine are starting to get a little tappy
the K1 crank Gary's using, is it 100mm stroke?
and is the head standard? and if he built the head himself, could you ask him if the lash adjusters can be done without removing the cams, as mine are starting to get a little tappy
)
28-04-2007, 09:33 PM
#106
10K+ Poster!!
Originally Posted by Christian and Beccy
Originally Posted by Red16
Christian and Beccy
the K1 crank Gary's using, is it 100mm stroke?
and is the head standard? and if he built the head himself, could you ask him if the lash adjusters can be done without removing the cams, as mine are starting to get a little tappy
the K1 crank Gary's using, is it 100mm stroke?
and is the head standard? and if he built the head himself, could you ask him if the lash adjusters can be done without removing the cams, as mine are starting to get a little tappy
)
29-04-2007, 09:43 AM
#107
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Looking good Christian...
With regards the capping of the top speed through using the Evo 9 ratios - have you considered a HKS Kansai Final Drive?
How have you found the AMS stuff - i know the coating they use on their exhaust manifolds is like nothing else on earth!
Be good to see it up close and personal used in anger sometime
With regards the capping of the top speed through using the Evo 9 ratios - have you considered a HKS Kansai Final Drive?
How have you found the AMS stuff - i know the coating they use on their exhaust manifolds is like nothing else on earth!
Be good to see it up close and personal used in anger sometime
29-06-2007, 03:44 PM
#109
Well, Gary's Evo had made 480 @ the wheels, 607bhp (estimated) @ the flywheel, on pump fuel, but of course that just isn't enough. 
So, whats the answer?? Headwork. Obviously.
So, off came the head and it underwent some fettling......
Oversized Stainless Inlet Valves and Oversized Inconel Exhaust Valves......
It's now back on the car and awaiting the final few bits to go back on. Wonder what the result will be?.....
So, whats the answer?? Headwork. Obviously.
So, off came the head and it underwent some fettling......
Oversized Stainless Inlet Valves and Oversized Inconel Exhaust Valves......
It's now back on the car and awaiting the final few bits to go back on. Wonder what the result will be?.....
30-06-2007, 07:12 PM
#113
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Very very nice
Only the VII's had Evoloution on the cam covers i think 
Mines has anyway and my mates 8 does not.
Originally Posted by cbp
Which EVO's actually have the phrase "EVOLUTION" written on the camcover? Most of the ones i have seen have "DOHC 16VALVE" on them.
Mines has anyway and my mates 8 does not.
05-07-2007, 06:48 PM
#117
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Just what I love to see, before and after power runs! Sounds like you have more changes to make though - it would've been great to see a direct pre/post-headwork comparison. It looks like a great development piece 
06-07-2007, 09:12 AM
#118
Well, the head is on and we have run it on the dyno (made no more power than before), but we have the distinct feeling that the cams are now holding it back, so there is a set of slightly wilder Jun's on order.
My god this car has had more cams than mine!!
My god this car has had more cams than mine!!
06-07-2007, 11:59 AM
#120
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Originally Posted by Christian and Beccy
Well, the head is on and we have run it on the dyno (made no more power than before), but we have the distinct feeling that the cams are now holding it back, so there is a set of slightly wilder Jun's on order.
Interesting find though. Will the Jun cams give any more lift?