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Old 05-16-2013, 10:18 AM   #1
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Will Toyota iForce V8 fit?

Hello all, I have been trying to find info on trying to get a newer 5.7L iForce into a TJ with no luck. Will it fit with the Toyota tranny as well or will it be to long? Maybe with a little bit of a stretch?

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Old 05-16-2013, 05:42 PM   #2
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Old 05-16-2013, 06:05 PM   #3
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Your in uncharted water there friend. Most are using the LS chevy or a Dodge Hemi. Your just going to have to do most everything custom. Is their a reason for the toyota rather than the chevy?
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Old 05-16-2013, 08:52 PM   #4
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DOHC motors are huge and with all of that vvt crap making it more complicated i'd pass...it would also be very expensive. Like gunner said the GM pushrods are tiny (physically not displacement wise), put out more power, easy to work on, cheaper and it's a common swap so there's tons of info out there.
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Old 05-16-2013, 10:24 PM   #5
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Your in uncharted water there friend. Most are using the LS chevy or a Dodge Hemi. Your just going to have to do most everything custom. Is their a reason for the toyota rather than the chevy?
I figured I was. I have looked a lot at 5.3 swaps for the reasons you stated. The reason for looking into it is because one of friends is getting into the car re-sale business. Not sure exactly but he goes to auctions with damaged cars. He can get me in and from what little I have found, the 5.7 is a 380hp with 401 ftlb. The rear axles are beefier than most others. If I could get one for $3-4k I think it would be cheaper in the long run. Maybe no so much if I have to do a lot of custom work. I thought the Toyota and Hemi were about the same size.

I started looking mainly because if the transmission. I like the gear ratios in the tranny. I was set on the 6L80E but was told it won't fit with out a stretch. I don't mind a stretch but it can't be more than 5in.
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Old 05-17-2013, 07:43 PM   #6
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Turnkey Engines is doing Cal smog legal 5.3 swaps into JK's and using the 6L80E Trans. I believe the short JK is the same 93 inch we are. I think they are using a super short SYE to get it in but i'm not positive.
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Old 05-19-2013, 06:54 PM   #7
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I would say the Dohc engine is to big. I'm going with a 5.3 because its cheap and easy! If it would fit, I would take it hands down over the GM engine. That 5.7 is a beast! My cousin had a Chevy 2500HD with the 6.0L. He has a Tundra with a 5.7 now. He swears the Tundra is an all around better truck the the Chevy, and it has a lot more power.
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Old 05-19-2013, 07:33 PM   #8
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I would say the Dohc engine is to big. I'm going with a 5.3 because its cheap and easy! If it would fit, I would take it hands down over the GM engine. That 5.7 is a beast! My cousin had a Chevy 2500HD with the 6.0L. He has a Tundra with a 5.7 now. He swears the Tundra is an all around better truck the the Chevy, and it has a lot more power.
I'd rather have that 3/4 ton but I can see why he thinks it's slow. You can't even compare the Tundras frame to the 2500.
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Old 05-23-2013, 09:16 PM   #9
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I'd rather have that 3/4 ton but I can see why he thinks it's slow. You can't even compare the Tundras frame to the 2500.
Now imagine that fast tundra drivetrain pushing a TJ around.
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Old 05-23-2013, 09:57 PM   #10
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I'd rather have that 3/4 ton but I can see why he thinks it's slow. You can't even compare the Tundras frame to the 2500.
You are correct. It would be stupid to compare a half ton truck frame to a three quarter ton frame.

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