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Old 05-15-2018, 03:08 PM   #1
jvluntzel
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Default 850 ATE calipers on 740

Hi all!

Does anyone know if this is doable? The 740 parts are getting harder to find and having a newer option would be nice.

I just want to know if the 850 ATE calipers will bolt onto a 740?

850 caliper (part # 19-1702/3/8/9):



740 caliper )part # 19-1108/9/12/13):

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Old 05-15-2018, 07:09 PM   #2
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It appears to me that the bolt holes are not the same distance apart.
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Old 05-15-2018, 09:15 PM   #3
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Sure are a lot of calipers available on Rockauto.
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Old 05-15-2018, 09:56 PM   #4
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Quote:
Originally Posted by dl242gt View Post
Sure are a lot of calipers available on Rockauto.


The junkyards, Eeuro, FCP scrotum, IPD, all the usual suspects have them I don't see a problem.
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Folks on here don't know a good deal when they see it.
how psi stock cna support?

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Old 05-16-2018, 02:04 PM   #5
jvluntzel
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Quote:
Originally Posted by lummert View Post
It appears to me that the bolt holes are not the same distance apart.
Its just a picture. No reference on how far away it was taken. If anyone was actual dimensions that would be great

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Originally Posted by dl242gt View Post
Sure are a lot of calipers available on Rockauto.
Quote:
Originally Posted by Redwood Chair View Post


The junkyards, Eeuro, FCP scrotum, IPD, all the usual suspects have them I don't see a problem.

Thats all fine and dandy but having options is a good thing? right?
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Old 05-17-2018, 01:31 AM   #6
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How PSI a stock can support?
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Old 05-17-2018, 01:46 AM   #7
Redwood Chair
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You seen one crappy sliding caliper you seen them all.
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Old 05-17-2018, 05:29 AM   #8
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why not convert to a 940 'big' brake setup?
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Old 05-17-2018, 11:07 AM   #9
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Up front the 850 calipers fit with longer bolts and a small spacer. Easy way to get bigger 305mm brakes
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Old 05-17-2018, 12:22 PM   #10
jvluntzel
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I dont think anyone is understanding the point. Its simple. Do they bolt up or nah?
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Old 05-17-2018, 02:37 PM   #11
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Quote:
Originally Posted by jvluntzel View Post
I dont think anyone is understanding the point. Its simple. Do they bolt up or nah?
Do they share the same part number? If so, yes. If not, no.
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Old 05-17-2018, 02:41 PM   #12
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Quote:
Originally Posted by Redwood Chair View Post
You seen one crappy sliding caliper you seen them all.
Those are not sliding, 2 piston fixed caliper.
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Old 05-17-2018, 04:23 PM   #13
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They should fit. I just gave my buddy my 940 caliper off the rear for him to install onto his S70 since both mounted just fine.
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Old 05-17-2018, 04:31 PM   #14
jvluntzel
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Quote:
Originally Posted by tryingbe View Post
Do they share the same part number? If so, yes. If not, no.
part #s dont dictate bolt pattern...

Quote:
Originally Posted by blkaplan View Post
Those are not sliding, 2 piston fixed caliper.
Yeah i was just gonna let that SLIDE on by...but you got it

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Originally Posted by niquemarshall View Post
They should fit. I just gave my buddy my 940 caliper off the rear for him to install onto his S70 since both mounted just fine.
hell yeah thats good info
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Old 05-25-2018, 01:55 PM   #15
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I have installed 850 front callipers and 305 mm rotors on my old 1986 740 turbo. You will need 850 brake calliper brackets, a spacer plate and longer bolts in the front.
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Old 05-25-2018, 04:36 PM   #16
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850/x70I FWD rear calipers are a direct fit for a 740/940.
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Old 05-26-2018, 04:53 PM   #17
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Quote:
Originally Posted by mark244turbo View Post
I have installed 850 front callipers and 305 mm rotors on my old 1986 740 turbo. You will need 850 brake calliper brackets, a spacer plate and longer bolts in the front.
There is a quite detailed thread in this section, explaining the 850 caliper (same piston diameter as the 9 series) and the 302/305 rotor conversion for the 7/9. Not quite a 4 pot Wilwood upgrade with big rotors.... but an upgrade none the less. You do need a custom abutment bracket to make this work..... mine came from Skandix.DE

If the OP just wants to repair, certainly there are parts in the supply chain.
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Old 06-04-2018, 10:44 AM   #18
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Quote:
Originally Posted by DET17 View Post
There is a quite detailed thread in this section, explaining the 850 caliper (same piston diameter as the 9 series) and the 302/305 rotor conversion for the 7/9. Not quite a 4 pot Wilwood upgrade with big rotors.... but an upgrade none the less. You do need a custom abutment bracket to make this work..... mine came from Skandix.DE

If the OP just wants to repair, certainly there are parts in the supply chain.
Im all for upgrades over just repairs too (the while im in there rabbithole)

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Originally Posted by Lankku View Post
850/x70I FWD rear calipers are a direct fit for a 740/940.
PERFECT! thanks!
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