How to tell?
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Post Fiend
Joined: Nov 2011
Posts: 8,908
Likes: 1
From: Algona, Washington
How to tell?
So is there an easy way to tell if you have a 351M or a 400M? I was decoding my vin through an LMC truck catalog and i have the letter H as my engine code which is a 351, but the PO said it's a 400 so i am not sure. I probably could tell from the code on the block but if there was a faster way that would be pretty nice.
Posting Guru
Joined: Jun 2002
Posts: 1,028
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From: Panama City, Fl
You can check the stroke pretty easy. Pull a plug, insert a long plastic straw, rotate to top dead center and mark position on straw......rotate to bottom dead center......mark position on straw. Measure between marks. Install plug.
The Southernmost Mod
Joined: Dec 2004
Posts: 6,902
Likes: 20
From: Caracas, Venezuela
Lol that seems like quite an ordeal to find out just a number...
There is another way, dropping the oil pan, have a read:
http://www.fordification.com/tech/engineID-V8.htm
There is another way, dropping the oil pan, have a read:
http://www.fordification.com/tech/engineID-V8.htm
Posting Guru
Joined: Jun 2002
Posts: 1,028
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From: Panama City, Fl
Only needed if there were any size specific parts externally or for braggin' rights. And bragging could go either way depending on who is on the receiving end.
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Post Fiend
Joined: Nov 2011
Posts: 8,908
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From: Algona, Washington
Haha actually i really wanted it more for bragging rights and for the correctness of my sig and other things. I prefer to say it's a 400 so i think i will stick to it till someone looks at it and say YOU LIE! :P i am not super concerned with it i was just thinking there may be a difference in the water pump or maybe the heads or something that i could easily look at. at the moment i can't drop the pan due to not having a backup vehicle to drive to work. Eventually i plan to have the motor rebuilt and the tranny rebuilt but i have to wait till i get my tax return.
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Lead Driver
Joined: May 2009
Posts: 6,807
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From: Tobyhanma, PA
More displacement =more torque in this case. The mpg will go down a tad once its tuned properly, if you don't tune it, it'll prolly run a bit lean.
If your gonna rebuild it you might as well. I believe its just the crank is different....maybe something else. Its been too long for me to remember.
If your gonna rebuild it you might as well. I believe its just the crank is different....maybe something else. Its been too long for me to remember.
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Post Fiend
Joined: Nov 2011
Posts: 8,908
Likes: 1
From: Algona, Washington
Ah ok. On monday i am dropping my truck off at Aamco transmission so they can do a *free* inspection and tell me if it needs a full rebuild or just parts. I plan on just doing a full rebuild and putting parts in for towing and offroading. i just have to get a price and once i get my tax return i can look into getting that out of the way.
Lead Driver
Joined: May 2009
Posts: 6,807
Likes: 704
From: Tobyhanma, PA
Ah ok. On monday i am dropping my truck off at Aamco transmission so they can do a *free* inspection and tell me if it needs a full rebuild or just parts. I plan on just doing a full rebuild and putting parts in for towing and offroading. i just have to get a price and once i get my tax return i can look into getting that out of the way.
Search results for: 'c6' - TCI® Auto
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Post Fiend
Joined: Nov 2011
Posts: 8,908
Likes: 1
From: Algona, Washington
I plan to take my truck into Aamco to have my trans rebuilt, and I have ordered all TCI parts, rebuild kit and a new torque convertor. They have lots for your C6.....
Search results for: 'c6' - TCI® Auto
Search results for: 'c6' - TCI® Auto