4.6L General Discussion This section is for non-tech specific information pertaining to 4.6L (Modular) Mustangs built from 1996 to 2004.

need help fast on engine swap

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Old Aug 15, 2010 | 01:56 PM
  #11  
96meangreengt's Avatar
96meangreengt
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Joined: May 2010
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From: mississippi
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Originally Posted by nickmckinney
Are you able to do all the labor yourself?

IMHO - I would spend the first $800 or so on getting the T45 rebuilt with a billet 3/4 fork. I am having a shop do mine that caters to the NMRA crowd. That leaves about $2K for a PI head swap. Do a compression test first to see if its the rings or just the valve seals that are bad on your current shortblock.

As far as taking the engine and trans out i can do but not the engine rebuild or anything. where can you buy a billet 3/4 fork? I looked for a new or rebuilt t-45 but know one seems to sell them. $800 isn'y so bad for a rebuild. As far as the motor I'm the time to spend the extra dough now and do it right and not have to mess with it again so I would ethier have the stock motor rebuilt or buy a new short block and put pi heads on it. would it be cheaper to buy a new short block or get the stock one rebuilt? I would like a nice strong bottom end that can handle the abuse on the road coarse but still be just as happy on the street.

I thought about thishttp://www.latemodelrestoration.com/item/MMR-400600B

And then put a set of new pi heads on it and be good to go. I realize its goona cost more than $3500 but if its strong and realiable its worth it to me, what do you guys think. go with rebuilding the stock engine with pi heads or the cobra block with pi heads?
Old Aug 15, 2010 | 02:20 PM
  #12  
nickmckinney's Avatar
nickmckinney
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From: Florida
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This car has a stock NPI shortblock and is running 120MPH at this track doing laps:



I just got my T45 quote back and it was $400 labor, $400 parts by the NMRA guy I was saying above and that included the billet shift fork with a full rebuild. I will send his contact info in a PM. Beats buying a used tranny that might be broken itself.
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