85 C10 Project Build ....input..suggestions recommendations

[c10brian]

Basics of my build. Obviously an 85 C10 truck specs now. 305 sbc with a 700R4 transmission and a 2.73 rear differential.
Want to go up to a 350 sbc with vortec heads and mild cam. Also a better transmission. and better rear gear to get the maximum performance from a mild 350 sbc
As a weekend cruiser that can still pull the weekend toys. But can also lay some stripes if needed. Thanks alot up front.
And let's hear some great Ideals.
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[Barbecue]

Let's see some pictures!

I've got an '86 with a 350, equipped with an RV cam, rebuild quadra-jet (bigger jets), and all emissions controls removed. TH400 trans and a 4:11 rear end. Very peppy on the street with the low-geared rear, I'd address that first

[c10brian]

Thanks barbecue
Yes I have been thinking the rear gear first too. Any ideal of a total bolt up swap out there?
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[Jake Wade]

Keep the overdrive and install 3.73's

[c10brian]

3.73 is definitely in my mind.
Now to find a gm that carriers the same rear end i would much rather find a ready to bolt in assembly. Its looking less likely to find.
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[Barbecue]

I agree with Jake. Keep the 700r4. Some people take great efforts to make the switch to that tranny from TH350 or TH400. I'm not experienced with swapping rear-ends so unfortunately I can't be of help there. I'm sure there are swap kits available?