Just bought an 87 GT to replace my rust ridden 86 GT that was in the process of getting an L67 swap. I have a couple of questions as far as adapting the swap cradle to the differences on the 87 model year.

I know one major difference is the heater core line routing that comes off the passenger side coolant tube. The car I bought has a partially crushed passenger side coolant tube that actually has a section of rubber coolant line replacing a damaged section right by the heater return connection. Given the damage, how feasible would it be to add the 86 GT heater hose tubes and passenger side coolant pipe that runs to the radiator? If the tubes are the same up front from 86 to 87 this would save me having to adapt my already plumbed coolant/heater hose on the 86 for the swap.

Also, I already have everything set up to run the Muncie 4spd from the 86 on the cradle, clutch and pressure plate. So long as I switch the shift cables and shifter assembly I'll be OK to run the 4spd in the 87 right? I don't feel like using the Getrag from the 87 as it has more miles and some issues with the synchros and such with getting into gear.

Also, is there anything else I'm missing that will need to be done switching between the two model years?

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Project L67 Fiero

The 87 harness will not have a connector for the 4 speed. The 86 harness had connectors for both transmissions.

Only wiring difference is the reverse light wiring as the switch is on the shifter for the 4 speed so you will need to add the wiring in for this. Only other difference you already know in the pass coolant tube for the heater core return hose.

quote Originally posted by FIEROFLYER: Only wiring difference is the reverse light wiring as the switch is on the shifter for the 4 speed so you will need to add the wiring in for this. Only other difference you already know in the pass coolant tube for the heater core return hose.

Thanks for the info. The swap harness I have has both connectors already wired into it, so I'll just need to run a wire from the switch to the connector on the trans right?