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View Full Version : 400 Pontiac in a 78 full size Olds


J_JAMNIK
01-04-2005, 11:40 PM
I have a beat 1978 Olds 98 with a factory Olds 350 engine that is basically trash. I have a second Pontiac 400 engine from a 68 Bonneville(only one set of motor mount holes in eash side of block). Without going too deep into my pockets financially, I would like to install the motor into the Olds. The only problem that I think that I will have is the motor mounts. Which year model mounts and for what type of car? Any other problems that I may be overlooking? Once the car is toast(3/4 of the way there already) I will take the engine/transmission out and donate the car. Time isn't the problem, but would like to keep the project under $200 if possible.

J_JAMNIK
01-04-2005, 11:40 PM
I have a beat 1978 Olds 98 with a factory Olds 350 engine that is basically trash. I have a second Pontiac 400 engine from a 68 Bonneville(only one set of motor mount holes in eash side of block). Without going too deep into my pockets financially, I would like to install the motor into the Olds. The only problem that I think that I will have is the motor mounts. Which year model mounts and for what type of car? Any other problems that I may be overlooking? Once the car is toast(3/4 of the way there already) I will take the engine/transmission out and donate the car. Time isn't the problem, but would like to keep the project under $200 if possible.

Jeff Walker
01-05-2005, 06:40 AM
I doubt if you will find any factory mounts that will make this a 'bolt in' swap. You will probably have to fabricate something up to make the swap.

mike nixon
01-05-2005, 09:27 AM
most resto/preformance vendors sell an install kit for the early blocks to the late chassis.

they aren't much money and work well.

mike

J_JAMNIK
01-05-2005, 06:07 PM
I'll try to locate something if its available. Thanks for the input.