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Originally Posted by leftybass209
That's a good combination for some. The only thing I can say, is now that you've narrowed down to a 700r4, do you REALLY want a 700r4 as opposed to a 2004r.
Really study the gearing between the two transmissions. At this point, they cost the same amount, and do the same basic thing. You're in a good position to decide which is really better for your application. The 700r4 is great, but lower geared in first, and the gears are wider than a 2004r. I'm not saying it's good or bad, just different. The 700 requires a driveshaft change, and both require a good throttle valve cable adjustment at the carburetor. Just financial things to consider.
The reason I say that is, I have a 700r4, and just had a bunch of stuff replaced in it. Guy did a great job and spent time discussing which parts he was putting in, and why he was putting those in as opposed to other parts and the advantages and disadvantages to those parts, which was really helpful.
As far as who builds it or who you buy it from, i'd ask that they give me a list of what they were putting in it. If they are to reuse parts, what parts are they reusing and why? A good way to tell if a shop is trying to drive up the price is when they explain they want to use part A because "it's the best" and don't give you a reason why. Let them know you can buy a fully built transmission from store A, what parts it has in it, and what they think about it.
An example of this is, I switched to a 13 vane pump, my 10 vane blew up. The shop stated both work well, but the 13 vane supplies more pressure and the 10 vane supplies more volume at a given time. Based on my shift points and the symptoms I had before we replaced it, he recommended that i'd need more pressure rather than volume in my application.
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I'll definitely look into the gear ratios to make sure I know what a 700R4/2004R is going to feel like when installed. My main concern is reliability and longevity though...
From searching and reading on here it seems like 700R4's are more susceptible to issues than 2004R's, but the guy I talked to at Monster Transmission said the input shaft on the 700R4 was twice as big as the 2004R. Doesn't that make the 700R4 "tougher"?
I don't want to race my truck around. I'm not the type to show someone that pulls up next to me at a light 'what's up' or anything, haha. I know there
will be issues down the road, but I'm just over-analyzing everything right now and being neurotic about my choices; since I'm installing a rebuilt/overbuilt tranny I'd like there to be quite a while before I have transmission issues again.
So thanks again for putting up with the questions and sharing. Much appreciated.