10.17 @145
https://youtu.be/nN0rz1RAcJw
LS3 is the logical choice. Direct drop in with about 70HP bump bone stock. Add headers and a tune and you'll get way more. Do more work and well you get it.
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Or LS7, or LSA or LS9. ALL much easier to swap than a new DI motor.
10.17 @145
https://youtu.be/nN0rz1RAcJw
LS7 and LS9 are both dry sump that complicates things the LS3 and LSA are both easy drop ins.
The LS7 & LS9 would be more awesome though...
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10.17 @145
https://youtu.be/nN0rz1RAcJw
Y'all have effectively talked me out of using a Gen 5 anything. Lol. It was more of a hypothetical based upon if I could get a wrecked 6th gen SS. Gonna stick with either building my L76 or getting a wrecked 5th gen for the LS3, trans, rear end, and wheels for the G8 GT.
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Get a LSA out of a wrecked V, sell the blower, put your intake manifold on it and an AGP twin turbo kit along with supporting fuel system mods. 800-1000 rwhp easy.
10.17 @145
https://youtu.be/nN0rz1RAcJw
I am not saying it can't be done.
But the G8/SS chassis is a different architecture than the LT application...there are some differences...packaging...
Dirty Dingo sells adapter plates, I am sure many others do too [I am not affiliated with them, just popped up]
On top of the DI, realize that even the SS switched to a non PS system, so you will need to adapt the PS system from the G8 over.
I'd probably give the LT more time to mature.
2017 Chevy SS / OrangeBlast / A6/ Spare/ Roof - hers
2016 Chevy SS / Jungle / M6 / Spare / Roof
2013 Chevy Avalanche / Z71 / FGM / Roof
2009 Pontiac G8 GXP / SBM / M6 / No Roof
1988 Volvo 740 Turbo Wagon (modified)
2009 Saab 9-3 Combi / 2.0T
Wouldn’t take much at all when you really dig into this swap fuel system would go from mechanical returnless system (what I believe the V8 G8s have) to a true PWM returnless system that has the fuel pumps controlled by Fpdm like many of the Ford cars have and an inline fuel sensor. Routing the fuel system would relatively stay the same from the tank up until the high pressure mechanical fuel pump, then DI takes over. Getting this in the car and having it run would be the easy part, headers is simple, buy G8 ls headers remove ls flanges and weld on some Gen 5 flanges and be done.
Now having this drive like a stock car is where the problem really is. The two biggest issues (one has already been tackled by a hand full of companies) is powers steering (Gen 5s have electric power steering, but again customs brackets have been made to allow one to add a power steering pump) second and what I feel is the main reason these swaps can’t be done at the moment would be getting the G8 gauge cluster to communicate with the Gen 5 engine, and what happens to the BCM? Does it still work correctly with the original G8 ecm disconnected can-bus makes this almost impossible. A whole car isn’t needed for this swap to actually make this run, stand alone harness to control the L83, L86 or LT1 and transmission either a 6l80 or a 8l90. For V8 guys this is pointless when a proven route has already been paved for making more power, but for v6 guys if there is a way to have the BCM act normal and have the cluster gauge run like stock and communicate with a Gen 5 engine this swap is totally worth it. To go from a v6 5 speed to the latest and greatest Chevy V8 with an 8 speed automatic with he potential to do throw a LT4 supercharger on top in a G8 would be bad ass.
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How does that fix the fact that the LT switched the intake and exhaust valve positions so the exhaust ports have moved? Lining up the G8 header tubes onto the LT flange would move the header around too much and cause interference with other vehicle components. Customer headers would need to be fab'd IMO.
Piggy backing to the stock ECU is really the only way to get this engine to integrate with the G8 systems.
-Greg
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2009.5 Liquid Red G8 GT
2009 MSM Supercharged G8 GXP M6 - 11.51 @ 126.09
586rwhp/495tq