What company to buy a 700R4 from?
12-25-2020, 11:00 AM
#2
12-25-2020, 02:06 PM
#3
Re: What company to buy a 700R4 from?
I went with bowtie overdrives as well. It gets expensive when you start adding shipping, core, torque converter, and speedo gears but it was the best shifting 700r4 I personally have ever had. I had them up the shift points in the governor and it was spot on every shift. Nice and firm too in ALL shifts not just the 1-2 shift. I think they just have those transmissions figured out and know what to modify properly. I wasnt happy with there cheapo stock pan with a temp port welded on (it leaked at weld btw) so I changed it out with a nicer aluminum moroso pan with temp port and drain plug. I heard they got bought by another company a year or 2 ago. Hopefully that hasn't affected build quality that sometimes happens when new owners try to save a buck.
12-25-2020, 03:27 PM
#4
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Car: 89 GTA ASC Conv., Prev: 89 GTA 6.3L
Engine: 5.7L L98 TPI
Transmission: 700r4 Automatic
Axle/Gears: 3.27:1 w/ JG1 Options:B2L, N10, U1A
Re: What company to buy a 700R4 from?
Rossler in Ohio
Mine never broke.
Mine never broke.
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12-25-2020, 08:03 PM
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Car: 89 Formula
Engine: 383 SBC/HSR
Transmission: 700R4
Axle/Gears: 3.73
Re: What company to buy a 700R4 from?
Yep, they sell transmissions. Call Dana and tell him what you need, he'll take care of you.
12-26-2020, 08:04 PM
#10
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Car: 1987 IROC-Z
Engine: 406 on N20 w/ EFI
Transmission: P.B. 700R4
Axle/Gears: 12 bolt w/ 3.91
Re: What company to buy a 700R4 from?
Pro
Built
Automatics
for sure. they did a great job on mine
Sometimes Dana is hard to get a hold of via email, might be best to call him. I reached out to him twice in December via email and no reply, but I am in no rush. Just a tech question abotu my rear gear swap and ratio. I might have to call him instead of emails.
Built
Automatics
for sure. they did a great job on mine
Sometimes Dana is hard to get a hold of via email, might be best to call him. I reached out to him twice in December via email and no reply, but I am in no rush. Just a tech question abotu my rear gear swap and ratio. I might have to call him instead of emails.
12-29-2020, 10:57 PM
#11
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Car: Resto-Mod 1987 IROC-Z Clone
Engine: Alky fed L92 Vortec Twin-Turbo 6.8L
Transmission: My own built/ design 4L80M
Axle/Gears: Custom 12 bolt (4.10:1)
Re: What company to buy a 700R4 from?
Go with Pro Built Automatics!
Dana has done all the research needed to build the best THM700-R4s and 4L60Es PERIOD!
Give Dana a call at: 909-795-1876 or 909-435-5360... this would be better than E-Mailing him.
As a long time GM Engineer for the Hydra-Matic Division; I can say that:
Where GM left-off, Dana continued and has these transmissions worked-out perfectly!
You won't regret it!!!
Dana has done all the research needed to build the best THM700-R4s and 4L60Es PERIOD!
Give Dana a call at: 909-795-1876 or 909-435-5360... this would be better than E-Mailing him.
As a long time GM Engineer for the Hydra-Matic Division; I can say that:
Where GM left-off, Dana continued and has these transmissions worked-out perfectly!
You won't regret it!!!
12-30-2020, 10:06 AM
#12
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Car: 1987 IROC-Z
Engine: 406 on N20 w/ EFI
Transmission: P.B. 700R4
Axle/Gears: 12 bolt w/ 3.91
Re: What company to buy a 700R4 from?
let me know if you are able to get in touch with Dana guys, I sent him two emails and left him a voicemail Monday night too. Hoping to hear from him in the next few weeks before I order my rear gears. I just simply want to run some math/specs past him.
12-30-2020, 06:53 PM
#13
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Car: Resto-Mod 1987 IROC-Z Clone
Engine: Alky fed L92 Vortec Twin-Turbo 6.8L
Transmission: My own built/ design 4L80M
Axle/Gears: Custom 12 bolt (4.10:1)
Re: What company to buy a 700R4 from?
I spoke to him today, yesterday, and the day before.
NOTE: If he is working on a project for you... He prefers to contact people back when he has news or an update for his customer.
Otherwise: call him in the afternoon or evening time PST (he is in California).
12-30-2020, 08:48 PM
#14
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Car: 1987 IROC-Z
Engine: 406 on N20 w/ EFI
Transmission: P.B. 700R4
Axle/Gears: 12 bolt w/ 3.91
Re: What company to buy a 700R4 from?
yup, I know. he has always told me to call late at night. Thats what I have usually done.
I'll try again in a few days. It is not urgent, but just some thoughts ona rear gear ratio change and he is on my list of go-to drivetrain experts that i like to consult with.
I'll try again in a few days. It is not urgent, but just some thoughts ona rear gear ratio change and he is on my list of go-to drivetrain experts that i like to consult with.
12-30-2020, 09:36 PM
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Car: Resto-Mod 1987 IROC-Z Clone
Engine: Alky fed L92 Vortec Twin-Turbo 6.8L
Transmission: My own built/ design 4L80M
Axle/Gears: Custom 12 bolt (4.10:1)
Re: What company to buy a 700R4 from?
I was a Power-Train Engineer for General Motors for many years... and I am one of the people that Dana goes to when He has questions.
12-30-2020, 09:54 PM
#16
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Car: 1987 IROC-Z
Engine: 406 on N20 w/ EFI
Transmission: P.B. 700R4
Axle/Gears: 12 bolt w/ 3.91
Re: What company to buy a 700R4 from?
awesome! that is good to know!
I don't want to change the topic away from the original poster's questions on this thread, so I'll just give a link to page #5 on my build thread where I discuss my intentions to get the car a bit more "wicked up" changing from a 3.55 gear ratio to a 3.91. All the details of my car/setup can be found on my build thread. There is a lot to type. But Ill refrain from discussing it all in this thread to keep it on topic for the OP.
here is the link:
https://www.thirdgen.org/forums/tech...install-5.html
thanks
I don't want to change the topic away from the original poster's questions on this thread, so I'll just give a link to page #5 on my build thread where I discuss my intentions to get the car a bit more "wicked up" changing from a 3.55 gear ratio to a 3.91. All the details of my car/setup can be found on my build thread. There is a lot to type. But Ill refrain from discussing it all in this thread to keep it on topic for the OP.
here is the link:
https://www.thirdgen.org/forums/tech...install-5.html
thanks
01-01-2021, 08:40 AM
#17
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Re: What company to buy a 700R4 from?
I will try to call you today when I get up in the early afternoon. I am going to get some sleep now. As I worked pretty much all night.
01-02-2021, 09:57 PM
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Car: 1987 IROC-Z
Engine: 406 on N20 w/ EFI
Transmission: P.B. 700R4
Axle/Gears: 12 bolt w/ 3.91
Re: What company to buy a 700R4 from?
Yup, Had a nice informative conversation with Dana on the phone last night. Learned a lot regarding my setup. I will post the details of that convo on my build thread, just to ensure that the original message/intentions of the original poster's thread stay on topic here. So Tater, feel free to give Dana a call. As many of us have mentioned, if you are looking for a stout 700r4, ProBuilt Automatics has you covered.
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