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post #1 of 3 Old 12-08-2017, 01:12 AM Thread Starter
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1987 Dodge Daytona 3.8L V6 swap?

Hi, I'm thinking about going a different direction than I previously did. I'm eyeing a 1987 Daytona with the idea of swapping a 3.8L V6 & 41TE from 2001-2007 era Caravan. First of all, is it possible to swap this generation of these engine and transmissions in there (being that I know some have done 3.3L V6 swaps from 2nd gen Caravans)? Secondly, how expensive would it be to have this swap done (it would have to be done by someone else)? Thirdly, what would all be needed? Fourthly, about how much would it cost for the engine and transmission (would you go freshly rebuilt or chance a used one)? Any advice would be appreciated.
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post #2 of 3 Old 12-08-2017, 07:47 AM
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Re: 1987 Dodge Daytona 3.8L V6 swap?

What model daytona? You'd get more power and better MPG potential sticking with a turbo 4 cylinder I believe. I dropped a 2.5 turbo shortblock under the the original T2 top end with a ported exhaust manifold on my 87 ShelbyZ. Later I installed a S60 turbo and 3" side exit exhaust and converted over to a flashable SMEC with wiring harness from an 88 ShelbyZ. Being able to tune it I made 200hp and 280-290ft-lbs of torque at 12psi which is stock boost for a T2 motor. I got 34 mpg around town and 40+ on the freeway and the car ran high 13's in the 1/4 after going to a factory 89 short throw shifter vs the 14.1's it was running before that. I installed a ported head, tube header and a modified plenum on top of a ported lower 2 piece intake and the car was much quicker overall. I was tuning it at 13psi before I decided to convert it back to stock and sell it for a 87 ShelbyZ hardtop instead of having a t-top. When I got the hardtop I decided instead of going to that motor I'd go with a 16v out of a Maserati TC so I've been doing that as life gets out of the way. The ported 8v head is going on a 2.2 and into my Shelby Lancer but I'm going with a ported and modified TBI header, GT30R turbo and a BMF intake manifold. I'm shooting for 30+MPG's around town and 400+hp on that motor. The 16v will have a 2.5 under it and should make 500+ easy.

The V6 can be done but even though it might make more power and torque out of the box I think you're limiting your potential and it'll be more expensive to do with worse MPG and worse handling because of the weight.
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post #3 of 3 Old 12-08-2017, 07:54 AM
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Re: 1987 Dodge Daytona 3.8L V6 swap?

+1 to all of the above.

You will turn that car into a nose heavy turd trying to install that big V6, and wind up with a ton of money in a bad handling, slower, gas sucking car than if you just installed a turbo 4 cylinder.

I personally wouldn't waste my money.
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