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Message: <blockquote data-quote="slipknot87420" data-source="post: 275537" data-attributes="member: 543958">ok my dad just got finished building a 350 that were going to put in my blazer350= 4bolt main heddman headers,holley 750cfm carb,lunati cam,edelbrock winters intake(very rare) ported heads and some more stuff just cant remember it right now he said it is around 400hp, what im wondering is will i have to upgrade the transmission/rear end. can someone recommend a good transmission if needed, ive heard the transmissions that come with the vortec 4.3liter engine are pretty strong. im thinkin bout goin with a ford 9in rear but not sure yet. ive also heard that the 4.3 liter engine mounts will work with a small block but im not sure. but if anyone has any advice i would really appreciate it.</blockquote>

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