New Idea for an LS2 based 6 Cyl motor?
#1
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I am surprised no one at GM came up with this yet. It is time to retire the old 3.8 Buick and 3.1 and 3.4 Chevy V6 motors. Why dont they just chop off 2 cylinders from an LS2 block and make a 4.5 V6. This is how they made the old 4.3 chevy by cutting off 2 cyls. from a Gen 11 350. The new motor would make a ton of power and torque. The gas mileage would probably be the same or better. A good motor for trucks or an Impala maybe. Look how much they would save on parts. Water pumps, accessory brackets, timing sets, oil pumps, front and rear covers an seals and rings bearings, pistons, rods and bolts would all be the same. Anyone else think this is a good idea. I know some engineer from GM is probably reading this right now.
#2
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Originally Posted by StickSS
I am surprised no one at GM came up with this yet. It is time to retire the old 3.8 Buick and 3.1 and 3.4 Chevy V6 motors. Why dont they just chop off 2 cylinders from an LS2 block and make a 4.5 V6. This is how they made the old 4.3 chevy by cutting off 2 cyls. from a Gen 11 350. The new motor would make a ton of power and torque. The gas mileage would probably be the same or better. A good motor for trucks or an Impala maybe. Look how much they would save on parts. Water pumps, accessory brackets, timing sets, oil pumps, front and rear covers an seals and rings bearings, pistons, rods and bolts would all be the same. Anyone else think this is a good idea. I know some engineer from GM is probably reading this right now.
#3
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i think it would be a good idea! this engine would make a killeer engine for smaller cars (like we get here in the UK), and even better if they put 24valve heads on it!!!!!!!
thanks Chris.
thanks Chris.
#5
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Balance problems of a 90 degree V-6 are hard to overcome in this day of super low NVH (noise vibration harshness) requirements. Nice thought though. Kinda along the same line on why GM used the 4.2L inline 6 as a foundation for the 4 and 5 cylinder engines in the compact trucks.
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2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2022 Cadillac Escalade 6.2L A10 S&B CAI, Corsa catback.
2023 Corvette 3LT Z51 soon to be modified.
Custom LSX tuning in person or via email press here.
#7
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For some reason I don't fully understand, 60 degree v6's are smoother. That's why a balance shaft was added to the 4.3L. I'd think a lot of the LS technology would be usable on a 60 degree v6, though. A problem I've heard mentioned is that smaller cylinders are easier to clean up emissions wise...so a 6.0L v8 is better in that respect than a 6.0L v6, and so on.
Can anybody confirm or deny this?
org
Can anybody confirm or deny this?
org
Originally Posted by chuntington101
why is it a problem? there are LOADS of V6's at 90 degrees. i dont think it wouls be that big an issue!
Chris.
Chris.
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#8
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Originally Posted by org
I'd think a lot of the LS technology would be usable on a 60 degree v6, though.
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with power and fuel efficiency of the inline motors currently used, I don't see any sufficient gains for GM by $pending the R&D. I know I drove a I5 Colorado at 75mph with 5 ppl, and the bed filled with an engine, 6 steel wheels, misc car parts, and a 200lb cube that stood 6 in over the roofline, at the evry end of the tailgate, and got 24.5mpg. That would be pretty hard to beat! The smoothness in power delivery of the Inline motors is preety nice too!
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Originally Posted by StickSS
I am surprised no one at GM came up with this yet. It is time to retire the old 3.8 Buick and 3.1 and 3.4 Chevy V6 motors. Why dont they just chop off 2 cylinders from an LS2 block and make a 4.5 V6. This is how they made the old 4.3 chevy by cutting off 2 cyls. from a Gen 11 350. The new motor would make a ton of power and torque. The gas mileage would probably be the same or better. A good motor for trucks or an Impala maybe. Look how much they would save on parts. Water pumps, accessory brackets, timing sets, oil pumps, front and rear covers an seals and rings bearings, pistons, rods and bolts would all be the same. Anyone else think this is a good idea. I know some engineer from GM is probably reading this right now.
Something like this could save General Motors a ton of money in the long run not having to deal with 25 different piston or rod combinations. Consolidate their motor line to 10-12 different motors rather than 25+.
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Originally Posted by Fandango
I read in HotRod magazine that the LSx cylinder heads were patterened after a V6. So I guess tey alread thought of the V6 idea.
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