348 Numbers Matching or LS3 - Page 2 - Impala Tech
Engine General Engine Discussion.

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post #26 of 28 (permalink) Old 11-17-2017, 10:41 PM
 
 
Join Date: Oct 2017
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Originally Posted by lovebohn View Post
With all of the details you have I would do this build with the 1961. The only hard part with Impala's other than 1964's is there is not much for custom parts. Sure 65 or 66 might have some but it's not like looking for a custom crossmember or rear end setup on a Camaro or Chevelle. If you have the skills to fab things up great, this would be my only reason for looking at a different car. I think the desire for pro touring cars will only increase with younger generations having the money to spend.
Seems like the LS swap with the 61 wouldn't be hard with these parts:

MuscleRods 58-64 Impala LS Conversion Kit

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1964 Impala
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post #27 of 28 (permalink) Old 11-18-2017, 03:47 PM
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1961 is an X-frame car as such it will require a dedicated X-frame kit (1958-'64) to accommodate the narrowing of the frame to the torque box in the center. It is going to require LS headers to fit the frame, the same motor mounts shown, and a unique cross-member to match your transmission choice.

Big Dave
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post #28 of 28 (permalink) Old 11-19-2017, 07:43 PM
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Location: Weddington, NC
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Call up Swartz Chassis and order one of their custom frame/big brake/ford 9" chassis kits. Base chassis is around $10K but you will have to add options for big brakes. I would bet you could spend around 16K for the chassis and it will handle like it's on rails.

Buy an LS 6.2L from Summit making 625HP for around 10K. Get the car painted with new interior. You will be able to drive that car on 2000 miles trips and ride in style/comfort. No more plugs fouling after 6000 miles, terrible gas mileage and old technology. Keep the 348 if you ever want to sell it to someone that cares about stock specs.

Go LS and never look back.

Brian

1968 Impala SS Fastback 383 stroker
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