has anyone fitted a pair of rear 911/930 coil-overs onto a 914?
refering to bilstein rsr/race coil-overs. i know that 914's have coil-overs but the valving on the bilstein sports is no where as aggressive as many of the 911/930 race cars running rsr rear coil-overs. since i will be running bilstein rsr coil-overs up front i would like to match the rear as well.
its been done before....
iiirc - lots of reinforcerment and camber boxes upfront to handle a load that the shock towers were never designed to do....
I have Bilstein RSR shock in all 4 corners of my 914. You need to have the shocks revalved to suit the 914 though. They come valved for a 911 weight bias 60/40, where a 914 is 50/50. The best way to get the shocks set up is to scale your car, then send all four shocks to Bilstein to have them valved properly. You will need to supply corner weight and HP info
THE CHASSIS TUBE FRAMED FROM THE FIRE WALLS OUT. WEIGHED IN AT 1600 LBS WITH THE STEEL BODY. NOW WILL HAVE SHERIDANS WIDE BODY ON IT. RUNNING A 2.5 LITER 300HP SIX. WHAT WOULD THE BEST VALVING SET-UP BE? I WOULD HAVE ASSUMED TO RUN STANDARD RSR VALVING AND PLAY WITH SPRING RATES.
You're all nuts.
Most shocks that you buy for racers now-a-days are "Racer Reparable/Rebuildable"
Buy shocks you like in the brand you like. I like QA1 (shameless plug) OR Ohlins or Penske. They all use the same sized body tubes (for the most part.)
Get 2-port Digressive/Linear valves for the front and 3-port High frequency valves on the rear.
Adjust shim stacks for your appropriate corner weights/ desired results.
Alpha knows something!
QUOTE (kevgentile @ Mar 18 2006, 09:40 PM) |
THE CHASSIS TUBE FRAMED FROM THE FIRE WALLS OUT. WEIGHED IN AT 1600 LBS WITH THE STEEL BODY. NOW WILL HAVE SHERIDANS WIDE BODY ON IT. RUNNING A 2.5 LITER 300HP SIX. WHAT WOULD THE BEST VALVING SET-UP BE? I WOULD HAVE ASSUMED TO RUN STANDARD RSR VALVING AND PLAY WITH SPRING RATES. |
QUOTE |
WHAT WOULD THE BEST VALVING SET-UP BE? |
QUOTE |
You're all nuts. |
QUOTE (J P Stein @ Mar 18 2006, 09:46 PM) |
Has Alpha ever spent his own money on Penske shocks? Has Alpha spent his own money for a shock dyno? Is Alpha a jerk? |
Adjustable shocks are a compromise too. You just have an easy way to change the operating range on the track. This is really good if you don't know what is fast. Not so good if you do.
And it's extra $$$.
QUOTE (J P Stein @ Mar 18 2006, 10:00 PM) |
A lot of words, but no money. Revalving is chicken feed compared to buying the things. Guys do stuff they can afford.....does that make then nuts? Guys that don't do shit on their own dime run their mouths. |
QA1s are cheaper than Bilstien. Just for the record.
QUOTE (kevgentile @ Mar 18 2006, 10:40 PM) |
THE CHASSIS TUBE FRAMED FROM THE FIRE WALLS OUT. WEIGHED IN AT 1600 LBS WITH THE STEEL BODY. NOW WILL HAVE SHERIDANS WIDE BODY ON IT. RUNNING A 2.5 LITER 300HP SIX. WHAT WOULD THE BEST VALVING SET-UP BE? I WOULD HAVE ASSUMED TO RUN STANDARD RSR VALVING AND PLAY WITH SPRING RATES. |
The standard Bilstein HDs are 219/32 (compression/rebound). The guys at Bilsten in San Diego recommended 300/100 for my 914 track car.
P.S. I have a pair of Bilstien RSR rear coilovers if anyone is interested. They came off my 914.
QUOTE (brant @ Mar 18 2006, 10:10 PM) |
regarding shocks. I had some Carrerra's custom valved and at a custom length for mine.. mostly because they were a fraction of the cost of the penske's and the other's mentioned above... brant |
Sorry about your thread, pardner.
i assume that the carrera/qa1 shocks some of you are using are designed to drop into a bilstein front strut housing, or are mods neccessary to make them work?
QUOTE (Wild 6 @ Mar 18 2006, 10:13 PM) |
The standard Bilstein HDs are 219/32 (compression/rebound). The guys at Bilsten in San Diego recommended 300/100 for my 914 track car. |
QUOTE (kevgentile @ Mar 18 2006, 11:18 PM) |
i assume that the carrera/qa1 shocks some of you are using are designed to drop into a bilstein front strut housing, or are mods neccessary to make them work? |
QUOTE (alpha434 @ Mar 18 2006, 10:40 PM) |
Alpha knows something! ![]() |
QUOTE (alpha434 @ Mar 18 2006, 09:40 PM) |
You're all nuts. Most shocks that you buy for racers now-a-days are "Racer Reparable/Rebuildable" |
so are the 911 rear shocks the same length as 914 shocks (open/compressed) ?
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