V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

valve spring size?

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Old 02-19-2006, 08:09 PM
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Car: 1998 Camaro Z28
Engine: 6.0L
Transmission: 4L60E
Axle/Gears: 3.73
valve spring size?

im going to be ordering a Melling MTC-5 cam, lifters and springs, but i cant find what the proper size O/D our springs are to order. from what ive found it seems to be 1.230. is this correct? does anyone have any springs w/ part numbers they recommend?
Old 02-19-2006, 10:54 PM
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Car: 91 Camaro
Engine: 3.1...not hardly stock
Transmission: 700r4....not stock either
Axle/Gears: 3.73
V8 "Z28" springs. good to like .550" lift or so. don't remember if you HAVE to machine the spring seats or not (for the OD).
Old 02-20-2006, 10:01 AM
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Car: 1998 Camaro Z28
Engine: 6.0L
Transmission: 4L60E
Axle/Gears: 3.73
id like to stay away from any machining if possible. anyone else know?
Old 02-20-2006, 10:20 AM
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Car: 1988 Chevy Camaro Hardtop
Engine: Turbocharged/Intercooled 3.1
Transmission: World Class T5 5 Speed
I used Melling VS-380 springs, but they are almost impossible to find now... I've got an appropriate Sealed Power part number (Advance Auto can order them) but I'll have to post it when I get home....

You might call up Northern Auto Parts, and see if they can get a set of 12 Melling VS-380 (should be dual springs!) valve springs for you, that is exactly what I did!
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