0 registered members (),
366
guests, and 1
spider. |
Key:
Admin,
Global Mod,
Mod
|
|
Forums69
Topics113,769
Posts1,342,469
Members1,609
|
Most Online731 Jan 14th, 2020
|
|
|
Fiat Coupe race car Discussion thread
#1176214
24/02/2011 13:44
24/02/2011 13:44
|
Joined: Mar 2010
Posts: 106 Ireland
LiamM
OP
On a journey
|
OP
On a journey
Joined: Mar 2010
Posts: 106
Ireland
|
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1176223
24/02/2011 13:56
24/02/2011 13:56
|
Davie
Unregistered
|
Davie
Unregistered
|
Hey nice project, what have you got the weight down to out of interest?
Davie
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1176352
24/02/2011 17:38
24/02/2011 17:38
|
Joined: Oct 2008
Posts: 6,783 In the coupe.
magooagain
Club Member 259
|
Club Member 259
Forum is my life
Joined: Oct 2008
Posts: 6,783
In the coupe.
|
Looking good Liam. Keep us posted on your progress please.
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1176358
24/02/2011 18:03
24/02/2011 18:03
|
Joined: Oct 2008
Posts: 6,783 In the coupe.
magooagain
Club Member 259
|
Club Member 259
Forum is my life
Joined: Oct 2008
Posts: 6,783
In the coupe.
|
I am not that up on gearbox's etc. But to limit top speed to 120mph!! Then whats the point of trying to acheive 300hp? I was on track 2 weeks ago in my standard road coupe 2 up and touched 130mph on the back straight. I understand the need for acceleration Liam,but it seems your looking at a massive top speed loss. Someone with more know how should be along soon to give a better view hopefully.
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1176364
24/02/2011 18:15
24/02/2011 18:15
|
Joined: Mar 2010
Posts: 106 Ireland
LiamM
OP
On a journey
|
OP
On a journey
Joined: Mar 2010
Posts: 106
Ireland
|
There is one huge reason for the sacrifice in top end speed and thats this: Mondello park, the only circuit we have in Rep of Ireland very tight very technical, the most powerful car in last years ITCC was a 500+bhp Sierra Cosworth RS500 and the quickest he got on the pit straight all year was 112mph, Martin in the RS500 actually won the Championship last year but he had some serious competition from far lesser powered cars with close ratio 'boxes
Last edited by LiamM; 24/02/2011 18:17.
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1176372
24/02/2011 18:34
24/02/2011 18:34
|
Joined: Oct 2008
Posts: 6,783 In the coupe.
magooagain
Club Member 259
|
Club Member 259
Forum is my life
Joined: Oct 2008
Posts: 6,783
In the coupe.
|
Yes i thought that may be your reasons Liam. This is my local track. http://www.circuit-valdevienne.fr/ I am aiming for 350hp with a pure track suspension/braking set up. I hope to get to maybe 150 on the back straight one day. But i will only be doing track days. This track http://www.charade.fr/data/model.htm is fantastic,you would love it. We had a French Coupe club day there last August.
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1176928
25/02/2011 20:24
25/02/2011 20:24
|
Joined: Dec 2005
Posts: 10,728 N.E Scotland
mattB
Club member 6
|
Club member 6
I AM a Coop
Joined: Dec 2005
Posts: 10,728
N.E Scotland
|
Check with sparco - he's done a bit of work and got a set of.ratios he's happy with - based on knockhill so no massive speeds either.
Death-rattle-tastic
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1176985
25/02/2011 23:02
25/02/2011 23:02
|
sediciRich
Unregistered
|
sediciRich
Unregistered
|
Liam I agree with your speed choice, just need enough front grip to put the power down as torque will be massive, I guess you'll know what tyres and rim widths you can use. Just need a tall first and close ratio after that.
Best move - the fibre glass bits, weight saving all the way!!
Best of luck
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1178569
01/03/2011 15:40
01/03/2011 15:40
|
Joined: Feb 2006
Posts: 5,390 Essex
Trappy
Forum is my life
|
Forum is my life
Joined: Feb 2006
Posts: 5,390
Essex
|
Just a couple of observations...
Lowering the weight over the front wheels will decrease front end grip...
Widening tyres won't increase grip...
Shortening gear ratios on a 300bhp coop will end up leaving you on the downward turn chasing through the gears. Far better to have leggy gears if running a fast spooling, torque monster. You don't want to end up passed the peak power when changing up...
F****** b****** thing...
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: Trappy]
#1179772
03/03/2011 14:36
03/03/2011 14:36
|
Joined: Mar 2010
Posts: 106 Ireland
LiamM
OP
On a journey
|
OP
On a journey
Joined: Mar 2010
Posts: 106
Ireland
|
Just a couple of observations...
Lowering the weight over the front wheels will decrease front end grip...
Widening tyres won't increase grip...
Shortening gear ratios on a 300bhp coop will end up leaving you on the downward turn chasing through the gears. Far better to have leggy gears if running a fast spooling, torque monster. You don't want to end up passed the peak power when changing up... Lowering the weight up front will decrease the force that gravity exerts downwards on the tyres, yes. But it will also decrease the lateral forces in cornering, and its not as if the coupe is light up front to start with anyway. At present I've taken 40kgs out of the front end and the differance it made to turn in to corners was huge, there is another 40+kgs to go soon with the wiring loom and abs system and a few other bits and pieces to go into the bin. As for the gearing, it its worth trying, its very easy to return it to standard if it doesn't work
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1180118
03/03/2011 22:07
03/03/2011 22:07
|
sediciRich
Unregistered
|
sediciRich
Unregistered
|
Sorry Trappy but everything you wrote is wrong and Liam has it covered.
Lowering front end weight doesnt decrease grip, it lowers the requirement for grip or increases the speed at which it is lost. A lighter car will corner faster then the heavy car due to the reduction in moment tryingto resist turning.
Wider tyres do increase grip, dont be confused with pressure exerted, with the right compound a larger contact patch will offer more grip.
As for gearing no, you go shorter ratio and lower final drive, the point of going to far is if you max it out on every stright long before the corner or it wheel spins every gear and goes no where. Aside from that ensuring the maximum acceleration is the goal and the spacing in road boxes and road FD's are too large and too high respectively.
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1186592
16/03/2011 19:21
16/03/2011 19:21
|
Joined: Oct 2008
Posts: 6,783 In the coupe.
magooagain
Club Member 259
|
Club Member 259
Forum is my life
Joined: Oct 2008
Posts: 6,783
In the coupe.
|
Liam.Is it you thats running a straight through exhaust from the turbo ? If so do you know the Decibels its producing please ? And do you or anyone else know if a straight through is safe for the engine/turbo ?
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1186627
16/03/2011 20:52
16/03/2011 20:52
|
tim42
Unregistered
|
tim42
Unregistered
|
Liam, this sounds like good fun! Good luck.. not a racer myself, but it would be fun if you could come to a track day in the UK once the beast is ready . Just like the Cheltenham Festival; an Irish invasion to steal the English crown jewels. Where in Ireland are you based? I only know Cork and the peninsula down towards Clonakilty etc. Tim
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: ]
#1198681
08/04/2011 13:42
08/04/2011 13:42
|
Joined: Mar 2010
Posts: 106 Ireland
LiamM
OP
On a journey
|
OP
On a journey
Joined: Mar 2010
Posts: 106
Ireland
|
Liam.Is it you thats running a straight through exhaust from the turbo ? If so do you know the Decibels its producing please ? And do you or anyone else know if a straight through is safe for the engine/turbo ? yeah its a 3" custom exhaust straight from the turbo to the rear end, no idea what db it is, its actually not that loud at all. Liam, this sounds like good fun! Good luck.. not a racer myself, but it would be fun if you could come to a track day in the UK once the beast is ready . Just like the Cheltenham Festival; an Irish invasion to steal the English crown jewels. Where in Ireland are you based? I only know Cork and the peninsula down towards Clonakilty etc. Tim I'd love to bring it over sometime! I'm based in Mullingar, right in the centre of the country. It started last night, and ran (badly) for a bit before dying, nearly there now, just have to get it ticking over property before bringing it to get mapped on the rolling road. My aim is to get the car out for a track day in Mondello on the 25th of April
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1209992
04/05/2011 11:57
04/05/2011 11:57
|
Joined: Oct 2008
Posts: 6,783 In the coupe.
magooagain
Club Member 259
|
Club Member 259
Forum is my life
Joined: Oct 2008
Posts: 6,783
In the coupe.
|
Loving that colour liam. I will get over and see the car in action next year. I am normally in Waterford area once or twice a year.
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1212348
09/05/2011 22:49
09/05/2011 22:49
|
stuart
Unregistered
|
stuart
Unregistered
|
looks great how much weight do you think you have stripped out
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1236400
11/07/2011 13:07
11/07/2011 13:07
|
Joined: Oct 2008
Posts: 6,783 In the coupe.
magooagain
Club Member 259
|
Club Member 259
Forum is my life
Joined: Oct 2008
Posts: 6,783
In the coupe.
|
Looking good Liam,another bumble bee. I did like the green though. How's she running ?
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1237332
13/07/2011 14:12
13/07/2011 14:12
|
sediciRich
Unregistered
|
sediciRich
Unregistered
|
Liam where in Ireland are you based roughly
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: ]
#1239037
19/07/2011 00:45
19/07/2011 00:45
|
Joined: Mar 2010
Posts: 106 Ireland
LiamM
OP
On a journey
|
OP
On a journey
Joined: Mar 2010
Posts: 106
Ireland
|
Liam where in Ireland are you based roughly Mullingar mate, right in the centre!
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1239814
20/07/2011 22:09
20/07/2011 22:09
|
sediciRich
Unregistered
|
sediciRich
Unregistered
|
Ok I was working in Dublin for a week, would have said Hi.
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1290064
18/11/2011 09:20
18/11/2011 09:20
|
sparco
Unregistered
|
sparco
Unregistered
|
Looks great Liam nice to see someone else having a go at the racing lark with the trusty coupe. Well done mate most people don;t know how hard it is to get a coupe ready to race and hpw much effort and time it takes. Most of my bits have been made from scratch.
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1290066
18/11/2011 09:21
18/11/2011 09:21
|
sparco
Unregistered
|
sparco
Unregistered
|
Liam again well done mate. I'll be watching with interest and if you need any info then i'll be happy to help.
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1291575
23/11/2011 19:12
23/11/2011 19:12
|
Plank
Unregistered
|
Plank
Unregistered
|
Liam, Did you get your fibreglass bootlid? If so was it any good and if so where can I get one? Marco, do you have a fibreglass bootlid? I'd like to lighten my race coupe for next year. Ta Jason
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1292058
25/11/2011 16:43
25/11/2011 16:43
|
sparco
Unregistered
|
sparco
Unregistered
|
No i don't think it will save that much weight as they are not that heavy anyway. I also have a rear wing on and grp/carbon bootlids need to be made properly if they are to support a wing (that works and creates downforce that is!)
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1292478
27/11/2011 11:33
27/11/2011 11:33
|
Plank
Unregistered
|
Plank
Unregistered
|
Good points, I hadn't actually weighed the boot lid but as you can't run a rear spoiler in the Classic Sports Car Club it was the next unstructural lump that I could target. I've got the weight down to 1190kg which for a road legal car with a full roll cage is probably quite good?
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1293050
29/11/2011 13:44
29/11/2011 13:44
|
sparco
Unregistered
|
sparco
Unregistered
|
Yes it is. I'm sure we've had mine under the 1100 kg mark but i'll have to weigh it again before the beginning of the season and see where we are now.
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1321310
02/03/2012 13:35
02/03/2012 13:35
|
Joined: Mar 2010
Posts: 106 Ireland
LiamM
OP
On a journey
|
OP
On a journey
Joined: Mar 2010
Posts: 106
Ireland
|
Cheers guys, I've been trying to find as much info as possible on your car and how its set up Sparco!! I'm not stalking, I swear! The car hasn't been touched in over 6 months, as I've been concentrating on getting my road going Coupe going again (blown engine) Its now running sweetly so the Yellow race car is gonig back into the workshop today, re the bootlid, I have the GRP bootlid sitting ready to bolt on, to be honest its only a few kgs lighter than standard to i dont know if its really worth the expence, I'm limited to 1000kgs for car and driver in my class and thats my aim! The two doors are 40kgs each, the replacements are less than 10kgs! Plank, I can get a price for you if you like? a mate of mine makes them for me, and the molds are made from my panels
Last edited by LiamM; 02/03/2012 13:46.
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1321346
02/03/2012 15:18
02/03/2012 15:18
|
Joined: Jun 2006
Posts: 141 Germany - Berlin
plasticomnium
On a journey
|
On a journey
Joined: Jun 2006
Posts: 141
Germany - Berlin
|
1000 kgs only with car, driver and cage car with all liquids / petrol ?? do you have to use a FIA tank?? do you have to have a minimum size ?? Interesting project btw
Bravo 20VT Plus, Gtech1, K&N57i, Blueflame 2.75+race cat, OMP strut hi+lo, BC coils, AP brake 328x28
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1321403
02/03/2012 19:59
02/03/2012 19:59
|
Joined: Oct 2008
Posts: 6,783 In the coupe.
magooagain
Club Member 259
|
Club Member 259
Forum is my life
Joined: Oct 2008
Posts: 6,783
In the coupe.
|
Liam, I would be up for a set of lightweight doors also. So yes i am interested in a price from your pal.
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: magooagain]
#1344316
18/05/2012 15:01
18/05/2012 15:01
|
Joined: Mar 2010
Posts: 106 Ireland
LiamM
OP
On a journey
|
OP
On a journey
Joined: Mar 2010
Posts: 106
Ireland
|
Liam, I would be up for a set of lightweight doors also. So yes i am interested in a price from your pal. I'll be talking to him next week, I will get a price for you The issue of gearing has cropped up again, I can manage 98mph on the main straight in Mondello Park, which means that I never get to use 4th or 5th! The Honda's with their short gearing will eat me alive under acceleration even though I have nearly 100bhp more than some of them, Shorter gearing needed!!
Last edited by LiamM; 18/05/2012 15:01.
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1438297
17/07/2013 11:43
17/07/2013 11:43
|
Joined: Mar 2010
Posts: 106 Ireland
LiamM
OP
On a journey
|
OP
On a journey
Joined: Mar 2010
Posts: 106
Ireland
|
Holy thread revival Batman!! I've been away from home with work for the best part of a year now, and haven't done much work with any of my cars. Slowly but surely over the last wee while things have started to move again. Coupe is just home from mapping, 290bhp @ 1.2 bar. It's a little bit lazy, and needs 5 new coils and then she will run @ 1.4 bar. She is booked in for a trackday on the 26th of the month. The next job is applying some graphics, this is pretty much what we have in mind:
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1438401
17/07/2013 22:41
17/07/2013 22:41
|
Pondman
Unregistered
|
Pondman
Unregistered
|
Interesting, invisible graphics/car, they'll never see you coming up the inside
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1445334
28/08/2013 18:12
28/08/2013 18:12
|
stuart
Unregistered
|
stuart
Unregistered
|
Im interested it the door
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1445377
28/08/2013 21:27
28/08/2013 21:27
|
KBT
Unregistered
|
KBT
Unregistered
|
GRP door in the picture? Skint but still interested to know the cost. Keep up the good work!
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1445788
30/08/2013 23:11
30/08/2013 23:11
|
gscozzari
Unregistered
|
gscozzari
Unregistered
|
Got more pics of the rest of the car?
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: ]
#1446067
02/09/2013 06:48
02/09/2013 06:48
|
Pondman
Unregistered
|
Pondman
Unregistered
|
More likely GRP bonnet
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1461212
02/12/2013 17:50
02/12/2013 17:50
|
KBT
Unregistered
|
KBT
Unregistered
|
Not a bad price, as a door can`t be easy to do in GRP! I think what your car needs most is some yellow smiley dust caps.
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1461308
03/12/2013 10:55
03/12/2013 10:55
|
Joined: Mar 2010
Posts: 106 Ireland
LiamM
OP
On a journey
|
OP
On a journey
Joined: Mar 2010
Posts: 106
Ireland
|
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1461309
03/12/2013 11:01
03/12/2013 11:01
|
Joined: Mar 2010
Posts: 106 Ireland
LiamM
OP
On a journey
|
OP
On a journey
Joined: Mar 2010
Posts: 106
Ireland
|
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1461334
03/12/2013 13:44
03/12/2013 13:44
|
dazs78
Unregistered
|
dazs78
Unregistered
|
How did it perform on track?
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1474934
18/02/2014 16:37
18/02/2014 16:37
|
Joined: Mar 2010
Posts: 106 Ireland
LiamM
OP
On a journey
|
OP
On a journey
Joined: Mar 2010
Posts: 106
Ireland
|
So, the car is in the workshop again, 15" wheels almost fitted, just waiting on 30mm spacers for the front wheels to help the rims clear the standard calipers. Also the newly built gearbox is almost ready to drop in. We have dropped the innards of a 2.5V6 Alfa 6 speed gearbox into the coupe 5 speed box casing, works a treat! gearing should be something like below: This should make a massive difference, as I struggle to get out of third gear in Mondello park!
Last edited by LiamM; 18/02/2014 16:38.
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1474971
18/02/2014 19:38
18/02/2014 19:38
|
Joined: Oct 2008
Posts: 6,783 In the coupe.
magooagain
Club Member 259
|
Club Member 259
Forum is my life
Joined: Oct 2008
Posts: 6,783
In the coupe.
|
I bet thats fun to drive Liam. Good work going on.
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1492114
04/06/2014 19:09
04/06/2014 19:09
|
Joined: Oct 2008
Posts: 6,783 In the coupe.
magooagain
Club Member 259
|
Club Member 259
Forum is my life
Joined: Oct 2008
Posts: 6,783
In the coupe.
|
Thats good news Liam. Let us know how you do on the straight at Mondello please.
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1492193
05/06/2014 00:52
05/06/2014 00:52
|
dazs78
Unregistered
|
dazs78
Unregistered
|
|
|
|
Re: Fiat Coupe race car Discussion thread
[Re: LiamM]
#1492454
06/06/2014 12:46
06/06/2014 12:46
|
goose
Unregistered
|
goose
Unregistered
|
Good to see someone else messing with gearing etc to make differences. Ive messed with it for years on my BMW M3 drift competition car. got it down to nigh on perfect now. 140mph and it will hit the limiter but damn does it get there quick.
|
|
|
|