AFR Springs
03-14-2004, 01:04 PM
#1
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Car: 84 Z28 Convertible 2 Seater
Engine: Dart Little-M SBC 400
Transmission: Pro-built Automatics 700R4
Axle/Gears: Strange Engineering 3:73
AFR Springs
I just received my AFR heads after a 6 weeks wait and have a question bout the spring set up. The Lunati cam recomended 125-135 seat and 330-350 open. No the specs on the springs that I received from AFR are:
Part# 8016
Size: 1.550 OD
.750 ID
Pressure 140# @ 1.930
365# @ 1.380
Coil Bind: 1.140
I think these springs are a tab too much for my Solid cam. plus AFR spring vary plus or minus 5% either way, so they can be stronger or weaker. I guess its best to have them tested and get all the exact spec by a local machine shop.
Part# 8016
Size: 1.550 OD
.750 ID
Pressure 140# @ 1.930
365# @ 1.380
Coil Bind: 1.140
I think these springs are a tab too much for my Solid cam. plus AFR spring vary plus or minus 5% either way, so they can be stronger or weaker. I guess its best to have them tested and get all the exact spec by a local machine shop.
03-14-2004, 03:26 PM
#2
Performa a search for " AFR valve spring" and you may reveal a few posts. As I recall, there have been several discussions about their "standard supplied" springs and the problems with them.
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