C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Heads

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Old

Jan 20, 2023 | 10:24 PM

#1

jseremba

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Heads

I received my heads from the machine shop. The rocker arm studs are not in the heads. What torque do I use for the studs and guide plates.

Thank you

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Old

Jan 20, 2023 | 11:49 PM

#2

78blueta

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From: Christiansburg Va

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50 ft lbs with threads lubricated with engine oil

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Old

Jan 21, 2023 | 08:44 AM

#3

jseremba

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Thank you. Do you use locktite

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Old

Jan 21, 2023 | 10:18 AM

#4

htrdbmr

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From: Apollo Beach. Fla

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Quote:

Originally Posted by jseremba

I received my heads from the machine shop. The rocker arm studs are not in the heads. What torque do I use for the studs and guide plates.

Thank you

If the intake stud holes go through into the port, use a thread sealant 50 lb/ft sounds right.

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Old

Jan 21, 2023 | 10:21 AM

#5

jseremba

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Thank you. The service manual says 50. It just seems high.
THe machine shop disassembled the heads. There are short 10 mm bolts. I think I know where they go. Do they hold anything on place

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