62 Torque on 327 exhaust manifold

[Ed P.]

1962 327 300hp I just put on Hooker headers, what is the torque on the bolts? PLEASE

[Jimmy G.]

Re: 62 Torque on 327 exhaust manifold

This should help

DANSMC BOLT TORQUEGUIDE

Useas a Very Loose & Gooey guide only.
For best results
Check your Shop Manual !

US Bolts Maximum Torque, in foot-pounds, for clean, dry threads
Bolt size - Thread pitch	Grade 2	Grade 5	Grade 8
1/4-20	6	10	12
1/4-28	7	12	15
5/16-18	13	20	24
5/16-24	14	22	27
3/8-16	23	36	44
3/8-24	26	40	48
7/16-14	37	52	63
7/16-20	41	57	70
1/2-13	57	80	98
1/2-20	64	90	110
9/16-12	82	120	145
9/16-18	91	135	165
5/8-11	111	165	210
5/8-18	128	200	245
3/4-10	200	285	335
3/4-16	223	315	370

[Joe L.]

Re: 62 Torque on 327 exhaust manifold

1962 327 300hp I just put on Hooker headers, what is the torque on the bolts? PLEASE

Ed-------

End runner bolts------20 lb/ft

Center bolts-----------30 lb/ft

[Ed P.]

Re: 62 Torque on 327 exhaust manifold

Thank you thank you both very much
Gona do that tomorrow