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Author Topic: Need help on GM intake manifold  (Read 4299 times)

VINCE Z28

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Need help on GM intake manifold
« on: September 01, 2018, 10:42:52 PM »
Can anyone tell me what this GM intake manifold was used on, motor wise? The part number is 346249 with a five under the 6 and 2. the date looks like L 8 10.
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Tx-Z 302

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Re: Need help on GM intake manifold
« Reply #1 on: September 02, 2018, 01:09:45 AM »
L48/L82 350
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Chris W

bertfam

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Re: Need help on GM intake manifold
« Reply #2 on: September 02, 2018, 01:10:58 AM »
The 346249 was a cast iron intake used on all Chevrolet 350 and 400 engines from 1975 through 1978. Can you post a picture of the date code? That doesn't seem right.

Ed
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VINCE Z28

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Re: Need help on GM intake manifold
« Reply #3 on: September 02, 2018, 02:22:23 AM »
 Thanks Ed, can I send them to you? I'm having problems resizing the pictures on windows 10. There is a 5 cast under the casting number between the 6 and 2.
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bertfam

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Re: Need help on GM intake manifold
« Reply #4 on: September 02, 2018, 02:55:33 AM »
Sure. My email address is in my signature.

Ed
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VINCE Z28

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Re: Need help on GM intake manifold
« Reply #5 on: September 02, 2018, 01:18:36 PM »
The date could be 01 8 7. I may be reading it upside down. Pictures sent Ed.  Could this be for a Pontiac 400 1978 Trans Am?
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bertfam

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Re: Need help on GM intake manifold
« Reply #6 on: September 02, 2018, 04:09:52 PM »
I haven't received your email, but I know very little about the Pontiac lines. I don't think Chevy engines were being installed in the other GM divisions until the late 1970's, so probably not?

Ed
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69Z28-RS

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Re: Need help on GM intake manifold
« Reply #7 on: September 02, 2018, 08:11:17 PM »
The 1977 model year was the first year that other GM divisions began using the Chevy small block...
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bertfam

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Re: Need help on GM intake manifold
« Reply #8 on: September 03, 2018, 03:30:29 AM »
Ok, got the picture and it's D-16-7.

Ed
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VINCE Z28

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Re: Need help on GM intake manifold
« Reply #9 on: September 03, 2018, 05:02:37 AM »
Thanks Ed so April 16th 1977 ? Could this be for a 400 Pontiac?
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