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buying 700r4 to handle 430hp 450tq

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Old 10-11-2014, 08:09 PM
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buying 700r4 to handle 430hp 450tq

Can anyone recommend a good 700r4 and a 2800 torque converter to back up this motor I just bought: http://www.blueprintengines.com/inde...ecs-bp38313ct1
price isn't really a issue when going for quality but what is my best bang for my buck.
Old 10-12-2014, 09:56 AM
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Car: 1992 Z28 Camaro w/70k
Engine: 427 w/4" Mufflex Exhaust
Transmission: 700R4 3500 stall
Axle/Gears: 4.10:1
Re: buying 700r4 to handle 430hp 450tq

Originally Posted by Zeromitch87
Can anyone recommend a good 700r4 and a 2800 torque converter to back up this motor I just bought: http://www.blueprintengines.com/inde...ecs-bp38313ct1
price isn't really a issue when going for quality but what is my best bang for my buck.
I cannot attest to where you can find one online, but for your researching (best bang for your buck purposes) I just paid $3500 for a 700R4 + a stall converter, completely removed, rebuilt and installed by a local hot rod shop. (Kilpatrick Engine & Transmission) Waukesha, WI. I also cannot say what HP#'s my car has because I don't know, but for what my car did with a slipping transmission (11.9 @ 117) my engine hp is probably around the 500 + mark.

I hope that'll give you an idea of what one would cost at least, less the labor included for one that is said to be able to handle beyond 500 (according to the shop).
Old 10-12-2014, 10:00 AM
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Car: 1989-92 FORMULA350 305 92 Hawkclone
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Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: buying 700r4 to handle 430hp 450tq

https://www.700r4l60e.com/
Old 10-12-2014, 03:56 PM
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Re: buying 700r4 to handle 430hp 450tq

Well that price sounds fair for rebuild and install but I'm in Kansas and will install the transmission myself. Just wondering if anyone has a tranny site that they would recommend Ive looked up a few and just want to see what the community here has to suggest. https://www.700r4l60e.com/ was suggested after looking on there https://www.700r4l60e.com/store/home.php?cat=20
i see they have 87 and up and 88 and up. i have a 87 gta, i don't think it matters on the year but there is only one 87 and up tranny there. thoughts?
Old 10-12-2014, 08:58 PM
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Car: 1989-92 FORMULA350 305 92 Hawkclone
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Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: buying 700r4 to handle 430hp 450tq

Make a phone call to Dana at Pro built. He can fix you up with what you need.
Old 10-13-2014, 04:01 AM
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Re: buying 700r4 to handle 430hp 450tq

Thanks i see the number
Old 10-15-2014, 10:42 AM
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Re: buying 700r4 to handle 430hp 450tq

One more to consider

http://www.transmissioncenter.net/700MegaRaptor.htm
Old 10-15-2014, 08:32 PM
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Re: buying 700r4 to handle 430hp 450tq

http://www.ebay.com/itm/700-R4-700R4-4L60-Chevy-Transmission-Nemesis-Stage2-/351125696879?pt=Motors_Car_Truck_Parts_Accessories&hash=item51c0b8f16f&vxp=mtr
I'm unsure about anything on ebay, this almost seems to good to be true. converter plus "700hp" tranny i wonder how much torque it can handle.

You guys have any thoughts on this?
Old 10-15-2014, 09:12 PM
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Re: buying 700r4 to handle 430hp 450tq

Another question I have is about TCC lockup. I installed holley stealth ram and holleys wiring harness/computer for it. Will my Torque converter still lock up normally? I still have the stock computer hooked up but I have hacked away at pretty much anything I didn't need dealing with TPI leaving the important stuff. From what Ive read, it should still work normally just wanting to double check.
Old 10-25-2014, 09:49 AM
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Re: buying 700r4 to handle 430hp 450tq

Originally Posted by 25thannivZ28
I cannot attest to where you can find one online, but for your researching (best bang for your buck purposes) I just paid $3500 for a 700R4 + a stall converter, completely removed, rebuilt and installed by a local hot rod shop. (Kilpatrick Engine & Transmission) Waukesha, WI. I also cannot say what HP#'s my car has because I don't know, but for what my car did with a slipping transmission (11.9 @ 117) my engine hp is probably around the 500 + mark.

I hope that'll give you an idea of what one would cost at least, less the labor included for one that is said to be able to handle beyond 500 (according to the shop).
damn, I need to raise my prices..... don't see why I couldn't do that for 2500....
my 87 406 formula ran 12.20's on street tires through the mufflers with the 700 I built for it...

Last edited by greggbruce; 10-25-2014 at 09:55 AM.
Old 10-25-2014, 09:54 AM
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Car: 84 454 monte, 89 formula, 86 camaro
Engine: the bigger the better
Transmission: 700/4L60 in everything
Axle/Gears: wish they were all 4.10's or better
Re: buying 700r4 to handle 430hp 450tq

Originally Posted by Zeromitch87
Another question I have is about TCC lockup. I installed holley stealth ram and holleys wiring harness/computer for it. Will my Torque converter still lock up normally? I still have the stock computer hooked up but I have hacked away at pretty much anything I didn't need dealing with TPI leaving the important stuff. From what Ive read, it should still work normally just wanting to double check.
your factory computer needs to have speed input, throttle position and coolant temp (at least) in order to ground the TCC solenoid to make it work if all that stuff is still hooked up. I would think the holley system should have provisions for TCC -- you should check with them.
Old 10-25-2014, 11:42 AM
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Re: buying 700r4 to handle 430hp 450tq

I think I saw a tcc plug in but yes it controls all those things. Thanks
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