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post #1 of 27 (permalink) Old 09-28-2014, 09:37 AM Thread Starter
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centerline springs

Anyone know the uncompressed length of Centerline's rear performance springs for a Spider? I just completed installing their springs on the front and rear and the rear end sits bottomed out on the rubber axle bumpers. The front actually sits 1" higher measured at the wheel arch than it did with the old springs. I guess my old front springs have seen better days. The uncompressed length of the rears that they sent me are 11 3/4" long. They looked really short compared to the originals, much more so than the shortness of the front springs compared to the originals.

1987 Red Spider Veloce parts car
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Last edited by BobHalfa; 09-28-2014 at 09:47 AM. Reason: clarity
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post #2 of 27 (permalink) Old 09-28-2014, 10:12 AM Thread Starter
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I can't find any specs. anywhere other than compression rate. They obviously sent me the wrong springs, the ones they sent have 6 coils as shown in their catalog that I have, but on their website they show to have 14 coils.

1987 Red Spider Veloce parts car
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post #3 of 27 (permalink) Old 09-28-2014, 07:18 PM
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Give us a call tomorrow and we'll figure out what's going on.

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post #4 of 27 (permalink) Old 09-28-2014, 09:11 PM
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And that is why I like doing business with centerline.
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post #5 of 27 (permalink) Old 09-29-2014, 02:23 PM
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Yep. Joe is great to work with.

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post #6 of 27 (permalink) Old 09-30-2014, 12:28 PM
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also speedway motors have springs.. any rates and 39.95-59.954 each..

anyone can buy a Porsche, only Drivers drive a Alfa Romeo
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post #7 of 27 (permalink) Old 09-30-2014, 04:17 PM
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Quote:
also speedway motors have springs.. any rates and 39.95-59.954 each..
Have you modified the rear spring cups to use these springs? The springs that I have seen advertised are a different diameter from the ones used in Alfa Spiders.

Ed Prytherch
79 Spider
85 GTV6 3L
76 Suzuki GT500
2011 Jaguar XKR

A little government and a little luck are necessary in life, but only a fool trusts either of them. - P.J. O'Rourke
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post #8 of 27 (permalink) Old 10-01-2014, 04:37 AM Thread Starter
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Joe at Centerline has sent me replacement springs which will arrive on Friday. The springs that I originally received had 6 coils and the correct ones should have 8 coils. I'll post about how they feel after I install them this weekend. Joe was real easy to work with, mistakes happen. I'm really curious to see how high the car will sit seeing as the new front springs raised the front of my car 1" instead of lowering it 1".

1987 Red Spider Veloce parts car
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post #9 of 27 (permalink) Old 10-01-2014, 12:11 PM
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the speedway front springs that you want are 5.5" dia.not to put centerline down but speedway have many more options on spring,, and they spring the spring rate. I found that 1150"/lbs on the front and 180"/lbs work really well not a harsh ride. but great control.

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post #10 of 27 (permalink) Old 10-01-2014, 07:19 PM
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Quote:
the speedway front springs that you want are 5.5"
I know about the front springs but it is the rears that I am interested in. It looks to me that Speedway Motors do not sell a spring that is the same diameter as the Alfa rear. How did you install the Speedway springs in the rear?

Ed Prytherch
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76 Suzuki GT500
2011 Jaguar XKR

A little government and a little luck are necessary in life, but only a fool trusts either of them. - P.J. O'Rourke
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post #11 of 27 (permalink) Old 10-01-2014, 07:22 PM
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5" diameter spring will work just fine... trust me I sell cars

anyone can buy a Porsche, only Drivers drive a Alfa Romeo
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post #12 of 27 (permalink) Old 10-02-2014, 07:46 AM
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I have a set of the 8 coil yellow Centerline rear springs and they make great boat anchors. When I put them on my 74 spider the rear end looked like I had the trunk full of sakcrete, the 80lb bags. They are in my junk pile which is why it was so easy to go out to the shop and count the # of coils. All I can say is I hope they work better for you than they did me.

The passenger seat is 15 miles an hour faster than the drivers seat.

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the ones that got away:
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1962 Giulietta Spider normale
1965 Giulia Sprint normale
1972 GTV
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post #13 of 27 (permalink) Old 10-02-2014, 08:43 AM
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Quote:
5" diameter spring will work just fine... trust me I sell cars
Which ones have you used? They sell 125 lb/in with 16" free length. That sounds promising for a Spider

Ed Prytherch
79 Spider
85 GTV6 3L
76 Suzuki GT500
2011 Jaguar XKR

A little government and a little luck are necessary in life, but only a fool trusts either of them. - P.J. O'Rourke
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post #14 of 27 (permalink) Old 10-02-2014, 10:07 AM Thread Starter
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Gigem: if they are easy to get to could you measure the unsprung length for me?

1987 Red Spider Veloce parts car
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post #15 of 27 (permalink) Old 10-02-2014, 11:43 AM
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yes .. 5x16 but in the 180 pound setting

anyone can buy a Porsche, only Drivers drive a Alfa Romeo
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