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Author Topic: ENGINE ID , NEED HELP!  (Read 6071 times)

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Offline bryant

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ENGINE ID , NEED HELP!
« on: June 22, 2007, 08:27:09 AM »
Hello Everyone, I am a new member and a proud new owner of a 79' TA. I have loved these cars since I was 16 and now 15 years later I finally own one. Quick question, the engine is rebuilt and I am not sure if its a pontiac 400 or a chevy 400. I do know that its a 400 though, is there a way to identify the engine without removing the engine to look behind the block. As you all know the back of these engines but up agianst the firewall so its hard to read behind it. Any info would be helpful on this.
Thanks.
« Last Edit: June 22, 2007, 08:47:44 AM by bryant »
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Offline Rick

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Re: ENGINE ID , NEED HELP!
« Reply #1 on: June 22, 2007, 10:11:33 AM »
Welcome to 78TA.com!  Pontiac V8s are pretty distinctive.  SBCs used more cylinder head bolts and the water pumps are different, among other details.  Got any pictures?  That'd let us tell in a heartbeat.
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Offline bryant

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Re: ENGINE ID , NEED HELP!
« Reply #2 on: June 22, 2007, 10:59:10 AM »
Sure do....hope this helps

[attachment deleted by admin]
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Offline turbota400

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Re: ENGINE ID , NEED HELP!
« Reply #3 on: June 22, 2007, 12:19:51 PM »
Looks like a Poncho to me.  Looks too wide to be a Chevy motor.
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Shawn
1972 Chevy C-10
1980 Trans Am Pace Car - 428 ci Poncho in the works
1992 S-10 2WD- Work Bomber/Gas saver
1997 Chevy X-cab 4x4 - Vortec 350

Offline Rick

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Re: ENGINE ID , NEED HELP!
« Reply #4 on: June 22, 2007, 12:24:02 PM »
I agree with turbota400 -- but a pic showing the water pump and more of the front of the engine would remove any doubt.  I dunno what kind of bracket's been worked out for the alternator -- probably had the idler pulley removed when the AC was taken off. :-\ :-\
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Offline bryant

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Re: ENGINE ID , NEED HELP!
« Reply #5 on: June 22, 2007, 12:28:46 PM »
Thanks guys, I'll take better picts tonight and repost to be sure.
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Offline turbota400

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Re: ENGINE ID , NEED HELP!
« Reply #6 on: June 22, 2007, 01:11:37 PM »
That bracket kinda threw me off for a second too.
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Shawn
1972 Chevy C-10
1980 Trans Am Pace Car - 428 ci Poncho in the works
1992 S-10 2WD- Work Bomber/Gas saver
1997 Chevy X-cab 4x4 - Vortec 350

Offline bryant

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Re: ENGINE ID , NEED HELP!
« Reply #7 on: June 23, 2007, 08:21:24 AM »
ok, I am trying to post some more pictures but itys telling me the file is too large. Does anyone know how to compress my picture file size down to the allowable size?
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Offline bryant

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Re: ENGINE ID , NEED HELP!
« Reply #8 on: June 23, 2007, 08:41:58 AM »
lets try this.....



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Offline turbota400

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Re: ENGINE ID , NEED HELP!
« Reply #9 on: June 23, 2007, 10:00:30 AM »
yep. it's a Poncho.  You can tell by looking at where the intake attaches to the water pump.
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Shawn
1972 Chevy C-10
1980 Trans Am Pace Car - 428 ci Poncho in the works
1992 S-10 2WD- Work Bomber/Gas saver
1997 Chevy X-cab 4x4 - Vortec 350

Offline bryant

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Re: ENGINE ID , NEED HELP!
« Reply #10 on: June 23, 2007, 11:31:43 AM »
Thanks turboTA, greatly appreciated!
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Offline turbota400

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Re: ENGINE ID , NEED HELP!
« Reply #11 on: June 23, 2007, 12:08:32 PM »
No prob!
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Shawn
1972 Chevy C-10
1980 Trans Am Pace Car - 428 ci Poncho in the works
1992 S-10 2WD- Work Bomber/Gas saver
1997 Chevy X-cab 4x4 - Vortec 350

Offline Joker (§ir£Ğragon)

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Re: ENGINE ID , NEED HELP!
« Reply #12 on: June 23, 2007, 01:01:37 PM »
Now all we need are the #s and we'll be able to see what size and year it is. ;)
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Larry

Offline turbota400

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Re: ENGINE ID , NEED HELP!
« Reply #13 on: June 23, 2007, 01:02:56 PM »
Precisely.
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Shawn
1972 Chevy C-10
1980 Trans Am Pace Car - 428 ci Poncho in the works
1992 S-10 2WD- Work Bomber/Gas saver
1997 Chevy X-cab 4x4 - Vortec 350

Offline bryant

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Re: ENGINE ID , NEED HELP!
« Reply #14 on: June 23, 2007, 02:37:50 PM »
I cant locate any numbers (becuse I really dont know exactly where to look). However, I did find some numbers on the block just under the valve cover on the driver side. They are a letter and 3 numbers, is this usefull, if so I can give you those numbers - its A198.
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