I know this topic has been discussed before in previous threads as I have just done a search on spring rates and colour codes. The information gleaned so far has been very patchy and inconclusive. I like the idea proposed by I think it was Thanos, though I'm not too sure, that we start a database of front and rear springs and their specifications for rear wheel drive Peugeots.
The format could perhaps be as follows:
Year 1982
Model 505
Variant GR (Sedan/Estate)
Front or rear spring (f/r) Rear
Colours on spring (COS) Red Yellow Yellow
Free spring height (FSH) 419mm
Number of coils (NOC) 7
Coil diameter (CD) 15.5mm
Spring rate (SR) not calculated
Spring rate could be calculated by the formula provided by Thanos:
I could see this as being very useful for those who want to know what springs are on their car and what they could be upgraded to. This topic regularly surfaces on AF when members ask questions about modifying their car's suspension. All information will be usefull if enough of it was provided to building up the overall picture So if any of you have some springs up in you shed, grab your calipers and start measuring! Also have a look at what is fitted to your car, you can still get info on colour codes and coil diameter which will be helpful although free length and number of coils will be impossible to measure. Here's my contribution to start the ball rolling:
1982
505
GR Sed
Rear
COS Red Yellow Yellow
FSH 419
NOC 7
CD 15.5
SR not calculated (I'm still trying to figure out the formula provided)
1983
505
GR Sed
Rear
COS Yellow White
FSH not measured, on car
NOC not measured, on car
CD 15.8
SR not calculated
1985
505
GTi Sed
Rear
COS Red Red Yellow
FSH not measured, on car
NOC not measured, on car
CD 15.5
SR not calculated
1984
505
SR Sed
Rear
COS Red
FSH not measured, on car
NOC not measured, on car
CD 14.7
SR not calculated
If there is enough interest shown and the specs are posted, I'll collate them into a database and publish it here on AF for all to enjoy. I'll post more as time permits.
Cheers,
Matt.
The format could perhaps be as follows:
Year 1982
Model 505
Variant GR (Sedan/Estate)
Front or rear spring (f/r) Rear
Colours on spring (COS) Red Yellow Yellow
Free spring height (FSH) 419mm
Number of coils (NOC) 7
Coil diameter (CD) 15.5mm
Spring rate (SR) not calculated
Spring rate could be calculated by the formula provided by Thanos:
Spring rate in lbs/inch = 11500000 times the coil thickness in inches to the fourth power divided by the coil diameter in inches to the third power, divided by eight, divided by the number of active coils.
I could see this as being very useful for those who want to know what springs are on their car and what they could be upgraded to. This topic regularly surfaces on AF when members ask questions about modifying their car's suspension. All information will be usefull if enough of it was provided to building up the overall picture So if any of you have some springs up in you shed, grab your calipers and start measuring! Also have a look at what is fitted to your car, you can still get info on colour codes and coil diameter which will be helpful although free length and number of coils will be impossible to measure. Here's my contribution to start the ball rolling:
1982
505
GR Sed
Rear
COS Red Yellow Yellow
FSH 419
NOC 7
CD 15.5
SR not calculated (I'm still trying to figure out the formula provided)
1983
505
GR Sed
Rear
COS Yellow White
FSH not measured, on car
NOC not measured, on car
CD 15.8
SR not calculated
1985
505
GTi Sed
Rear
COS Red Red Yellow
FSH not measured, on car
NOC not measured, on car
CD 15.5
SR not calculated
1984
505
SR Sed
Rear
COS Red
FSH not measured, on car
NOC not measured, on car
CD 14.7
SR not calculated
If there is enough interest shown and the specs are posted, I'll collate them into a database and publish it here on AF for all to enjoy. I'll post more as time permits.
Cheers,
Matt.