IMHO it makes little sense to go through the expense of an engine swap when you will only end up with the power of a mildly tuned original 4 cylinder engine.
If you are looking to head North of 450-500 bhp, then it starts to make more sense, but the exercise will cost about the same as a V8 swap - maybe more as that route is very well known and sorted while you'd have to solve whole new issues with new engine (V6).
The new V6 is certainly a nice engine, but it is a 60 deg. DOHC V6 so much wider up top than the I4 and possibly than the 90 deg. LS V8. Perhaps someone that knows these engines can comment on that and whether it poses any new challenges.
But even if it didn't, you'd be spending a whack of dough for an extra 45 bhp over the stock LNF engine with GMPP tune. And the 4 cylinder would still have more torque at lower rpm than the Camaro engine offers (340 Tq vs 284 Tq).
The distance between the small turbo I4s and the V8s has shrunk so much that there really isn't a lot of incentive to use a V6 instead of going to the V8.
Now if they hadn't cancelled the prototyping of a pair of these engines on a joined crankshaft to make a 600 bhp V12 (design work done in Australia) it might get pretty interesting, but I'm not sure where the front of an engine like that would end up in a Kappa. (OTOH, the have done Toyota 2JZ straight 6 swaps on them and a V12 needn't be that much longer than a straight 6....)
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Bill in BC
Last edited by wspohn; 08-16-2019 at 03:21 PM.