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351 swap into s197

74811 Views 67 Replies 21 Participants Last post by  mistterius
Possible? What is needed?
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shelby38 could u send me those pics u may have of swap.plz

It is possible to keep the complete brake system and the power steering. My purpose was for drag strip only use so I opted to not keep the power steering and I used Aerospace drag brakes on mine.

There is a company that makes a billet cross member to fit most popular transmission choices for the swap, I'll try to find a link to it for you.

BMR makes a K member for this application I used the KM012 (link below).

2005 - 2014 Mustang GT Chassis | K-Members | BMR Suspension Products & Parts

You should be able to use your stock gauges for way less than $1200 but if you are into doing something custom the large tack and speedo's slip nicely into the stock bezels and look pretty cool.


jsimmonstx I will send you an email so you have my addy for side discussion if needed. I'm in Washington state.

I am happy to help however I can but since I wasn't trying to keep mine on the street there will be some things I won't have answers for. I did find another guy who swapped a stroked 351W that made (and sells) a video of his project. I finished my swap last year but bought the video last week just to see if there was any info that would help me, I paid $25 with shipping. That guy gave a list of the parts he used for his swap.

I have tons of pics and notes but haven't taken the time to document it properly yet so probably better if I just answer questions about it to start with.
sorry for the delayed reply. I have been busy with work, family and life and haven't been on the forum for a while. update on our project... added twin turbos on our 351W and are trying to get a 427/438 put together for this next year.

Nice job on the swap jsimmonstx!

Just wanted to say awesome job on the conversion and documentation. I know its been a while since you got yours rolling but am curious on how everything is with it these days. Did anyone ever start a thread dedicated to this subject besides this one?
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Definitely a cool conversion but it would not be legal AT ALL in many states... But who cares after watching the startup vid lol.
Twin. Turbo 427w startup


---------- Post added at 09:23 PM ---------- Previous post was at 09:23 PM ----------


update on our s197 427W swap

Remade the cold side piping and swapped the C-4 for a TH400. running 9.30's on 10lbs.

How is everyone else's projects coming along?
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S197 to old school 302 swap

I could really use some info on this swap, please help? What to do about the electrical? gauges, fuel pump, ac and so on. putting in a 306 (302). It already has a built T5 with G Force gear set. Going to make my own assc. drive to use my ac and steering pump. Any help will be greatly apprecited. [email protected]
S197 to old school 302 swap

monolith I sent you an email with some info ect. Here is a video of mine on the dyno.
Possible? What is needed?
I’m currently doing the same swap in my 08. Got a custom k member from AJE suspension with the 351w motor mounts. Upgraded to the gt500 lower control arms. Pulled in tank fuel pump and replaced with hose and pick up screen and installed a Holley sniper in line fuel pump and regulator for fuel delivery. Used a return style regulator and deleted the charcoal canister using the vapor return line as the return directly to tank. Have yet to decide what tranny to run but I’ll keep posted
You have a PM sir!
351 swap in S197

It is possible to keep the complete brake system and the power steering. My purpose was for drag strip only use so I opted to not keep the power steering and I used Aerospace drag brakes on mine.

There is a company that makes a billet cross member to fit most popular transmission choices for the swap, I'll try to find a link to it for you.

BMR makes a K member for this application I used the KM012 (link below).

2005 - 2014 Mustang GT Chassis | K-Members | BMR Suspension Products & Parts

You should be able to use your stock gauges for way less than $1200 but if you are into doing something custom the large tack and speedo's slip nicely into the stock bezels and look pretty cool.


jsimmonstx I will send you an email so you have my addy for side discussion if needed. I'm in Washington state.

I am happy to help however I can but since I wasn't trying to keep mine on the street there will be some things I won't have answers for. I did find another guy who swapped a stroked 351W that made (and sells) a video of his project. I finished my swap last year but bought the video last week just to see if there was any info that would help me, I paid $25 with shipping. That guy gave a list of the parts he used for his swap.

I have tons of pics and notes but haven't taken the time to document it properly yet so probably better if I just answer questions about it to start with.
I've been studying jsimmonstx and your build for the last 2 years, in hopes that I won't run into many snags. Followed your build on the other social media platform and your YouTube videos... If you are the one that lives near me, I've seen you at PIR and really tried to study your car up close and personal! :) You and John really have thing figured out, great job!!

update on our s197 427W swap

Remade the cold side piping and swapped the C-4 for a TH400. running 9.30's on 10lbs.

How is everyone else's projects coming along?
I know it's been a long time since this post was done, but where did you get your C4 mount from?? Selling the mount?? Looks like we're neighbors...
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