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

Need some LT1 bolt sizes

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Old Jul 4, 2014 | 10:07 AM
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Default Need some LT1 bolt sizes

Intake manifold

Thermostat housing

TB to intake

Metric Im guessing, been awhile

Anyone?
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Old Jul 4, 2014 | 10:30 AM
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Originally Posted by cuisinartvette
Intake manifold

Thermostat housing

TB to intake

Metric Im guessing, been awhile

Anyone?
No they're not "all" metric - did you want the correct lengths and stud information also for those that aren't bolts or just thread/pitch?

TB to intake M8 X 1.25 X 65 I believe, intake 3/8-16 X 1 3/8, should be maybe 1 single stud, water outlet M6 X 1.0 X 25,

Last edited by WVZR-1; Jul 4, 2014 at 10:37 AM.
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Old Jul 4, 2014 | 10:32 AM
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..... Intake to cylinder head is 3/8ths x 16 ... thermo hsg may be metric on an LTx ... Throttle body to intake is metric ...... sorry , I can't give thread pitch or diameter on the metrics ......
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Old Jul 4, 2014 | 10:37 AM
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Thread/pitch length if possible
I guess intake manifold and TB to intake the biggies

Thanks
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Old Jul 8, 2014 | 03:41 PM
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Coudnt remember if there was 1 stud or more on the intakes anyone know? Same length or?
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Old Jul 8, 2014 | 03:51 PM
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Coudnt remember if there was 1 stud or more on the intakes anyone know? Same length or?
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Old Jul 8, 2014 | 05:22 PM
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Originally Posted by cuisinartvette
Coudnt remember if there was 1 stud or more on the intakes anyone know? Same length or?
3 I believe all the same length
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