Who's installed longer rear spring bolts to lower the back end??
12-15-2016, 08:21 PM
#41
Melting Slicks
In my normal Job I deal with Nuts and Bolts from most of the Vendors in the Seattle area daily. Recently I found it odd just how hard it is to find Grade 8 9/16"NF x 10" or 12" bolts. Special order at best. Fastenal could order them in at $37.00 a bolt ! I found that VB&P had them in stock and in realistic prices was my best source. Just a note the C4 uses bolts that are 2" longer than the C3, they are Metric but everybody uses the same 9/16" when they get replaced.
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SpeedRacerMach (06-14-2017)
12-15-2016, 11:11 PM
#42
Race Director
In my normal Job I deal with Nuts and Bolts from most of the Vendors in the Seattle area daily. Recently I found it odd just how hard it is to find Grade 8 9/16"NF x 10" or 12" bolts. Special order at best. Fastenal could order them in at $37.00 a bolt ! I found that VB&P had them in stock and in realistic prices was my best source. Just a note the C4 uses bolts that are 2" longer than the C3, they are Metric but everybody uses the same 9/16" when they get replaced.
measure a factory bolt, not the thread but the actual shaft of the bolt
12-16-2016, 07:17 PM
#43
Race Director
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St. Jude Donor '12-'13, '15- '16-'17-'18-'19, '21
Or....go with coil overs and eliminate the leaf.
The coil springs allow you dial in the height you want.
Just costs money.....that's all.
The coil springs allow you dial in the height you want.
Just costs money.....that's all.
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JeffWhite73 (12-16-2016)
12-16-2016, 09:51 PM
#44
Melting Slicks
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St. Jude Donor '05-'06,'11,'13-'14,'16,'18,'19
I didn't like how close the spring/bolt was to the rear tire after going with longer bolts so I pulled the spring and brought it to the spring shop and had them take some of the arch out of the spring so I could use shorter bolts (spring and bolt now fit inside the wheel). I had the spring rebuilt and added a leaf to increase spring rate while I had it at the shop. If I remember correctly I spent around $80.
Neal
Neal
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JeffWhite73 (12-16-2016)
12-16-2016, 11:05 PM
#45
If I recall correctly, the 4th gen Vettes used 10" bolts, ordered from Ecklers. Like the others mentioned, the end of the bolt ends up real close to the ground. Get a flat, and real ugly situation. I kept the nut above the sidewall level, and cut off the rest of the bolt. I also wonder, how important is it for the half shafts to be level? Mine are a bit out of level. Opinions on this? Thanks guys.