I am glad to see another Firebird on this Camaro site. I am jealous of your shop.
If you decide to go with a Pontiac engine, will it bolt up to the Speedtech subframe? Do you know if you will have to cut the floor to fit the 4L80E? Do you plan to use Speedtech's torque arm suspension?
Sorry for all the questions. I might be going in the same direction as you for my drivetrain.
Don't worry about asking questions... I will be asking PLENTY as time goes on... I really appreciate that this hobby has such GREAT individuals! Being able to ask questions, get ideas, or just pickup a simple tip can make the difference between a OK build and an AWESOME one!
I do believe that the Speedtech subframe will bolt up to almost any type of GM engine. When you order from them they will ask if it will have a Small Block, Big Block or an LSX type engine. The subframe stays the same, but they give you different motor mounts. Talk about a company that has AWESOME customer service... friendly, knowledgeable
, and always willing to answer any concern or question you have! Thumbs up to these guys
The 4l80 and cutting the floor... not sure yet... some make it sound like it will go in with no problem, and some say you will have to do some cutting to make it fit. (Stay tuned... and we will find out together in the next few months)
As far as the Speedtech torque arm... after reading about almost every rear suspension system out there, I did decide on Speedtech's Torque Arm system. Being that I am mini-tubing the car and the fact that it is a convertible, made a HUGE decision
in going with the Torque Arm.