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Hitman's Pontiac Trans Am Forum
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Topic:
DIFFERENCE IN A 400 AND 455 PONTIAC ENGINE
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Topic: DIFFERENCE IN A 400 AND 455 PONTIAC ENGINE (Read 2928 times)
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nanialbe2005
Jr. Member
Posts: 1
DIFFERENCE IN A 400 AND 455 PONTIAC ENGINE
«
on:
August 17, 2006, 07:45:39 PM »
HOW COULD I TEEL IF I HAVE A 400 OR 455 PONTIAC ENGINE IN MY CAR ?
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HughJass
Member
Posts: 378
Geoff
DIFFERENCE IN A 400 AND 455 PONTIAC ENGINE
«
Reply #1 on:
August 17, 2006, 09:05:59 PM »
How about some details about your car.
give us the engine codes off the block.
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Light travels faster than sound. That's why some people appear bright until you hear them speak.
79 W72 WS6, work in progress - nicknamed Lucy
Zulu
Member
Posts: 110
DIFFERENCE IN A 400 AND 455 PONTIAC ENGINE
«
Reply #2 on:
August 20, 2006, 11:43:13 PM »
You can't tell just by looking. Externally they appear exactly the same. The cubic inch is cast into the driver's side of the block below the exhaust manifold and somewhat toward the front of the engine. See this page, and scroll down to digram #4.
http://groups.msn.com/TransAm1978/engineidentifiers.msnw
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1978 TA W72 4sdp, WS6, Orig Owner -
- If there's nothing to do, I believe in doing nothing -
Toolman3903
Jr. Member
Posts: 47
Engine & Head Identification
«
Reply #3 on:
August 30, 2006, 09:28:22 AM »
Here's another site from Year One:
http://www.yearone.com/updatedsinglepages/Id_info/pontiacengineid/pontengid1.html
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Hitman's Pontiac Trans Am Forum
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Trans Am Information
»
Trans Am Information
(Moderator:
Hitman
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Topic:
DIFFERENCE IN A 400 AND 455 PONTIAC ENGINE