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Old Sep 29, 2021 | 06:21 AM
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Default L 46 engine
Did any L46 motors use the HW block and did any come with solid lifters?
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Old Sep 29, 2021 | 07:34 AM
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No solid lifters and what is an "HW" block? if you are speaking of the suffix code, HW is correct for a 69' Corvette 4spd. 350/350.

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Last edited by Jebbysan; Sep 29, 2021 at 07:36 AM.
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Old Sep 29, 2021 | 10:28 PM
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so is the 964 cam a hyd cam ?
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Old Sep 29, 2021 | 10:34 PM
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Originally Posted by DaleAlan
so is the 964 cam a hyd cam ?
GM# 3896964 is the 350/350 hydraulic flat tappet cam.

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Last edited by Jebbysan; Sep 29, 2021 at 10:34 PM.
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Old Sep 29, 2021 | 10:37 PM
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Originally Posted by DaleAlan
so is the 964 cam a hyd cam ?
3896962 is the GM part number for a 350/350 Hydraulic cam. Are you seeing a casting number of 964 ?
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Old Sep 29, 2021 | 10:49 PM
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Originally Posted by Barry's70LT1
3896962 is the GM part number for a 350/350 Hydraulic cam. Are you seeing a casting number of 964 ?
You are correct. 3896964 is the casting number for the cam core….350/350 my oops.

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Old Sep 30, 2021 | 07:17 AM
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OK guys , the 964 number I’m seeing is a cast number not a part number, thanks for the info.

but that’s the only number I see. . Is there a date code ? And do the lifters have a part number on them?
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Old Sep 30, 2021 | 11:02 AM
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Originally Posted by DaleAlan
OK guys , the 964 number I’m seeing is a cast number not a part number, thanks for the info.

but that’s the only number I see. . Is there a date code ? And do the lifters have a part number on them?
no date code or part number
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