Conversions & Swaps LSX Engines in Non-LSX Vehicles
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Looking to do my first LS swap

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Old Apr 25, 2020 | 12:32 PM
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Default Looking to do my first LS swap

hey guys so im looking to LS swap my 1998 chevy pickup and pull out the god awful 305....now i already decided im going with a 6L not sure if il go lq4 or 9 i do know the only difference is pistons i was looking around the 07 year possibly...what gen would that make it? im new to this ls stuff and have no clue as to what to look for in parts catalogs.

any imput would be greatly appreciated
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Old Apr 25, 2020 | 01:23 PM
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From: Little Austin
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I tend to prefer the Gen4 engines, but then you have things like VVT and AFM to deal with, although many Gen$ engines don't have either. It just depends. Keep in mind, all Gen4 engines have DBW, which I actually prefer, but some people don't. If you combine the engine with a 4l60 or 4l80 trans, I would look into the Holley Terminator X Max to run it all.

2007 is a crossover year for trucks. Some had Gen3 and some had Gen4 engines.

Andrew
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Old Apr 25, 2020 | 01:27 PM
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so what years are gen 3 then? i want to keep this fairly simple
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Old Apr 25, 2020 | 02:05 PM
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99 to 06 are GenIII, in 07 they made both. If the truck looks like an 06, then it will have a GenIII engine. If the truck looks like the newer body style it will be a GenIV. I would look for an earlier engine if you want to keep it simple. That way you can still use your speedometer and cruise control if it matters to you.
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Old Apr 25, 2020 | 02:07 PM
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Ohmmmmmm. 2007 and earlier. LOL
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Old Apr 25, 2020 | 04:51 PM
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LS2 was Gen4 and was introduced in the corvette in 05. The Gen3/4 year brake is confusing and these discussions always get crazy.
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