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Do LS3 injectors work with an LS6 intake?

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Old 04-04-2011, 10:17 PM
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Default Do LS3 injectors work with an LS6 intake?
Just as the title says! Can you use LS3 injectors on an LS6 intake?
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Old 04-05-2011, 12:47 AM
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They are not stock replacement but they can be made to fit.
You'll need ev6-ev1 harness
http://speed-eng.com/store/fast-fuel...ck-p-8953.html

and since ls3's are shorter some spacers
FAST 146025-KIT LS3/LS7 Fuel Injector Adapter Kit
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Old 09-29-2012, 05:02 PM
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Originally Posted by TX02ramair
They are not stock replacement but they can be made to fit.
You'll need ev6-ev1 harness
http://speed-eng.com/store/fast-fuel...ck-p-8953.html

and since ls3's are shorter some spacers
FAST 146025-KIT LS3/LS7 Fuel Injector Adapter Kit
Has anyone not had the problem with this kit from fast? I just bought one and I have an ls6 intake and ks3 injectors and with the adapters I was told to buy there not even close to being right the adapter isn't seated into the intake like it should be
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Old 09-29-2012, 08:06 PM
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Try fuel injector connections (FCI) adaptors, I used ls2 injectors on my ls6 intake an they were very nice pieces. Ls2 injectors are the same overall dimensions as ls3 injectors.
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Old 09-30-2012, 11:56 PM
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Originally Posted by parks450
Try fuel injector connections (FCI) adaptors, I used ls2 injectors on my ls6 intake an they were very nice pieces. Ls2 injectors are the same overall dimensions as ls3 injectors.
Other than the LS2 style injectors should be longer in length compared to the LS3 style injectors, but yes they do share the same "EV6" connector.
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Old 10-01-2012, 08:18 AM
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Originally Posted by 01SOMZ28
Just as the title says! Can you use LS3 injectors on an LS6 intake?
yes! I bought some that i intend on using aswell

PM the fuel injection connection guy here on ls1tech he'll get you everything u need.

should be height adapters, ev1-ev6 harness, and new orings

they flow 42 lbs from the factory and are dirt cheap. Or u can send off ur stocker injectors and resize them for 30$ a piece to flow up to 55lbs or below
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