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#1
11-06-2014, 06:22 PM
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67 400 #s
I'm checking on a 67 400 eng. and the seller states that it's a special J stamp engine . That's what he was told but there's nothing about any special 400 for 67 that I've seen yet . As far as eng #'s there's only a couple three #'s for 400's . Any #' that I missed ? Thanks for any info !!!
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#2
11-06-2014, 09:05 PM
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Looking through my book of engine codes, etc. :
the 2 letter stamping on the front of the block is the engine code. There are 3 codes in 1967 that contain the letter J. XJ is a 350 horse 400 from a big car. WJ is a 376 horse 428 from a big car. YJ is a 326-2bbl from a Firebird. Buyer beware  Ron. |
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#3
11-06-2014, 10:09 PM
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Thanks for that info . Is there any thing out of the norm about the J other than ID ? I figure it's nothing more than a 67 400 engine . There was a nice story attached to it also but kinda long !!!!!
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#4
11-06-2014, 10:36 PM
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Not that I've heard of, but I'm just a Pontiac enthusiast, not an expert
 Best case scenario is that it's really a 428 and they don't know it. (in my opinion) |
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#5
11-06-2014, 10:45 PM
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Thanks for your help !!!
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#6
11-07-2014, 02:11 AM
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The two letter code on the passenger side of the front of the block will tell you what it is. I also believe that 428 blocks actually had "428" cast into the underside of the block on the passenger side.
__________________
1967 Firebird 400/4spd all #'s matching 1965 GTO 389-4bbl, 4spd. needs restoration 2009 G8 GT...Last Pontiac Muscle |
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#7
11-07-2014, 07:17 AM
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If the head casting number is 143 than it is a 400 As many of the big body cars in 67 got this 400 which came fitted with these 389/ 421 type heads.
__________________
Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs! And he was not talking about 1/8 or 1/4 mile ETs! 1) 1940s 100% silver 4 cup tea server set. Two dry rotted 14 x 10 Micky Thompson slicks. 1) un-mailed in gift coupon from a 1972 box of corn flakes. Two pairs of brown leather flip flops, never seen more then 2 mph. Education is what your left with once you forget things! |
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#8
11-07-2014, 10:12 AM
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If it has 670 heads, it could be a 400 or 428. Need to get the date code off of it by the distributor, and the code on the front of the block, as they re-used codes throughout the years.
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Paul Carter Carter Cryogenics www.cartercryo.com 520-409-7236 Koerner Racing Engines You killed it, We build it! 520-294-5758 64 GTO, under re-construction, 412 CID, also under construction. 87 S-10 Pickup, 321,000 miles 99Monte Carlo, 293,000 miles 86 Bronco, 218,000 miles |
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#9
11-07-2014, 10:39 AM
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If it is a 67 block the casting #s are. They are at the back by the distributor hard to see in car.
400= 9786133 casting # 428=9786135 326=9786339
__________________
Scott If you always do what you always did  You always get what you always got  
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