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87 monte 305-455 swap


JTHM420
12-27-2004, 09:02 AM
I plan to do naughty things....my dream car is a 87 monte with a 454, but i found a monte for 200$ with a blown motor and tranny...i dont have much money and it would just so happen that i have a buick 455 with a th400 tranny...i would like to know what it would take to get this motor and tranny in the monte, can i buy a conversion kit for 305-455? can i make one? Will the new setup fit right in, any and all info would be great. -thankyou

dwalmop
12-27-2004, 07:09 PM
I'm not sure if there's a conversion kit or not. I'm sure it can be done though - my buddy just put a 450 hp 396 in his 86' monte!

JTHM420
12-28-2004, 02:36 AM
Yeah if you can get any info from that guy, that would be great. I think this would make a great combo. If any one has any info let me know please.

dwalmop
12-28-2004, 06:28 PM
Sure. I work with him - I'll ask next time we work same shift.

JTHM420
12-29-2004, 04:41 AM
alright, that would be great!

HellzX
12-29-2004, 09:07 AM
My guess is that you would need to get some new motor mounts. You may have to even weld them in a new location. You should definently add some fram support if you're throwing in a 455. Also, you may need to hammer out a spot for the distributor.

JTHM420
12-29-2004, 09:14 AM
thanks for the info, do u know about how many motor mounts their are? I dont think ill need to hammer anything, the distributor on buick engines is in the front....do u think i can just hook up the th400 tranny, or will i have to get a new/custom driveline? and where would i put the supports?-thanks again

HellzX
12-29-2004, 09:36 AM
2 motor mounts, left and right.

Your tranny supports may be off with the new setup. You may also need a shortened driveshaft..

tim1950
01-01-2005, 06:11 PM
Try www.montecarloss.com (http://www.montecarloss.com). There's a ton of experience on BB motor swap there

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