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Old 06-18-2018, 03:40 AM   #1
68Saddle
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Stock intake manifold for a 396

Hello everyone,
My name is Julio and I'm the owner of a 1968 C10 that the SPID says it's an original V8 396 truck. I didn't get the correct engine with it, but I would love to put the truck back to all original and so I'm here to ask a lot of questions from people that are a lot more knowledgeable than me. Would anyone know what the correct heads and intake manifold be for a 396 in 1968?
Thank you in advance
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Old 06-18-2018, 05:32 AM   #2
Artofdeath
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Re: Stock intake manifold for a 396

http://www.mortec.com/bbc.htm

You can start here, give you an idea of what you are looking at.
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Old 06-18-2018, 11:56 AM   #3
68Saddle
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Re: Stock intake manifold for a 396

Thank you. After some research, I've narrow it down to 3 sets of heads
3856260
3965198
3975950
Would anyone know which ones would be the correct ones?
Also I think the correct intake is casting #3883948.
Am I correct on this? Any help would be greatly appreciated.
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Old 06-18-2018, 01:43 PM   #4
Artofdeath
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Re: Stock intake manifold for a 396

http://chevellestuff.net/qd/intake_casting_by_year.htm

This is a little more intake specific

3883948 1966 1967 1968 396 396 396 325 w/A.I.R. 325 325, 350 Cast iron with Rochester 4-bbl. No oil splash shield

Im pretty sure the same casting numbers would apply to truck 396. Although I could be wrong.
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Old 06-18-2018, 02:43 PM   #5
weq92f
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Re: Stock intake manifold for a 396

Some of the known engine suffix codes for 1968 trucks with BBC. You don't really need this data other than to see the split between 2 and 4 barrel intakes and the difference in HP.

Code Year CID HP Model Comment
XE 1968 396 310 Truck L-66 AR, 10, 20
XF 1968 396 310 Truck L-66 20, 30
XG 1968 396 310 Truck L-66 AR, 10, 20
XH 1968 396 310 Truck L-66 20, 30
XK 1968 396 275 Truck L-66 2bbl, 10,20
XL 1968 396 275 Truck L-66 2bbl, 10,20
XM 1968 396 275 Truck L-66 2bbl, 20
XN 1968 396 275 Truck L-66 2bbl, 20, 30

Source: http://www.1968ss.com/bbcsuffix.asp

Hth,

-klb
__________________
67 C10 fleet fuel injected '70 402, 700r4, 3.73 posi
07 335 sport turbo 6sp
94 Trans Am GT LT1 6sp posi -- sold after 22yrs
99 540 sport V8 6sp -- sold
73 240z L24 4sp -- given to friend
68 C10 step 350/350 3.73 open -- sold
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Old 06-19-2018, 02:37 AM   #6
68Saddle
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Re: Stock intake manifold for a 396

Thank you so much! My truck is a XE so it would have came with the four barrel.
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