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PostPosted: Fri Sep 14, 2018 7:19 pm 
1 BBL (New)

Joined: Sun Aug 12, 2018 1:20 am
Posts: 9
Car Model*: VC valiant regal
Hey guys, I have a 67 VC regal with the slant 6, column auto.... need some advice from the guys who have knowledge regarding an engine swap.

Option 1. Ground up rebuild of /6 with bigger cam, intake and exhaust etc.
Option 2. Swap /6 for a 318.

I guess the biggest question is, I don't want to have to change to a V8 K-frame. Is it possible with after market engine mounts to drop in the 318? And what other parts will I need?

Is it worth it? Budget is a factor, and not chasing HP, just a nicer cruiser.
Thanks for the help!

PostPosted: Fri Sep 14, 2018 9:24 pm 
Site Admin
User avatar

Joined: Mon Mar 31, 2003 1:04 pm
Posts: 7353
Location: Oregon
Car Model*: 2018 Eichman Digger
Opton 1: There is a lot to read here. Not just in the forum. If you hit the home button, then go to Articles, you will find lots of info.
There is also the engine build matrix in the Engine part of this forum under "Frequently asked questions (FAQ) Engine." Go through that for ideas.

Option 2: Needed are a v8 transmission, k-frame is a good idea, but there are conversions, some a bit questionable. Rear axle may or may not be up to the task. Radiator. Possibly torsion bars, likely brakes. Throttle cable is different, as is the kickdown.

The short of it, if you want a v8 car, it's likely going to save time and money to go buy one. If you have a connection with your particular car, then that's up to you.

Good luck with your decision, and have fun with the car!


I'm off to find myself.
If I should return before I get back,
Keep me here!

PostPosted: Sat Sep 15, 2018 3:19 am 
SL6 Racer & Moderator
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Joined: Sat Oct 19, 2002 12:06 pm
Posts: 6903
Location: Silver Springs, Fl.
Car Model*:
I'm assuming your car is right hand drive. There might be some differences, on swapping to a V-8, that are different from left hand drive. I'm pretty sure the "K" member is different between LH and RH drive (steering box mount location).
Most of us on this site are leftys, so make sure your info is correct, for RH drive.

65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 225 nitrous
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64 Valiant 4dr 170

PostPosted: Mon Sep 17, 2018 2:53 pm 
1 BBL (New)

Joined: Sun Aug 12, 2018 1:20 am
Posts: 9
Car Model*: VC valiant regal
Thanks guys, looks like in hindsight building a nice slant would be the best option. Less complicated and I can live without the V8, especially considering how the VC handles and brakes.

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