Yes the hardtop for any 107 bodied car will fit all others. I believe there are 2 slightly different versions...one with chrome rails and one without. (The interior liner may be differnent too).
No. The 400 is externally balanced and requires it's own flywheel.
Probably a turbo 350.
About 150.
nothing. but the intake will be diff.
there was no 350 in the camaros in 83 just 305 and v6
Wrenches
350
73 Chevy 350 firing order: 18436572 countercockwise
yeah
If you have some mechanical ability it is not very difficult, just time consuming. You need to also replace the bell housing on the transmission to one that bolts up to the 350 as well as the motor mounts.
1.8.4.3.6.5.7.2
Around 170-180