Proper torque setting for headers
08-02-2001, 09:15 PM
#1
My other car is a 350Z
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Proper torque setting for headers
I have not had my Comptech headers re-torqued since they were installed. Does anyone know the proper setting? Is this info in the owner's manual or the Helms manual perhaps?
08-02-2001, 11:25 PM
#2
Suzuka Master
Page 9-4 in HELMS...
Self-locking nuts on manifold torque -> 23 lb-ft
Note: they don't refer to a retorque procedure, they just spec the 23 ft-lb for remove-replace -- OK...
Note2: Scalbert (Steve) has warned me about trusting the Helm's book for ALL of the torque values (he said some looked suspect..)
Self-locking nuts on manifold torque -> 23 lb-ft
Note: they don't refer to a retorque procedure, they just spec the 23 ft-lb for remove-replace -- OK...
Note2: Scalbert (Steve) has warned me about trusting the Helm's book for ALL of the torque values (he said some looked suspect..)
08-02-2001, 11:42 PM
#4
Suzuka Master
Originally posted by spiroh:
<STRONG>what happens if the headers are not torqued correctly?</STRONG>
<STRONG>what happens if the headers are not torqued correctly?</STRONG>
A few people have had to have their headers retorqued -- a rather simple operation... Just retorque the nuts to the proper torque.
(They reported a loss of power and I think a few noticed a light puffing sound from around the gaskets [I wouldn't bet my life on the puffing sound comment].)
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