i'm putting a 305 out of a wrecked camaro in my ex-2.8 firebird. what problems would i face if i were to just leave the stock v6 suspension with a 305?

 

I found that the front end would bottom out on dips & speed bumps at very low speeds. It also just didn't "feel" right. After driving it with the V-6 springs for a couple of weeks, I bit the bullet and put in the V-8 springs. Much better after that.

I never verified this, but it looked like to me that the entire front crossmember will unbolt. That will give you the springs and front engine mounts (which, if you haven't heard, are a bear to change because the nuts are inside the crossmember and hard to reach), as well as the front brake line (which is forward on the V-6 and rearward on the V-8). Wish I had noticed that before I started fooling with the engine mouts.

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82 Berlinetta, orig V-6 car, now w/86 LG4/TH700R. 2.73 unlimited slip. Cat-back from '91 GTA, Accel HEI SuperCoil. AMSOIL syn lubes bumper-to-bumper. Daily driver, work-in-progress (LB9 w/ZZ3 cam, TBD heads, exhaust, paint, etc.).
57 Bel Air, my 1st car. 0.030 over 396, Weiand Action+, Edelbrock 1901 Q-Jet, Jacobs Omnipack, 1-3/4" headers, TH400 w/TCI Sat Night Special conv & shift kit, 3.08 10-bolt, AMSOIL syn lubes bumper-to-bumper. Best 15.1 @ 5800' Bandimere. Daily driver while Camaro was being put together.

 

i've used the v-6 suspensio[my car was a6er]. it tranfers the weight pretty good but it doesn't hook very well. 13.2@110mph

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86 camaro 405 sm. blk. th 350 tranny 3.42 gears

 

It's "easy." You have to remove the springs and struts in order to gain access to the motor mounts. Therefore, there's no real excuse for NOT installing V8-rated springs up front.

MILT

P.S. No, the entire front cross-member does not unbolt.

Lots of us, including me, have done this swap several times. Let me know if you need any specific info...