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Identifying turbo vs NA axles Topic is solved

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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Clemens
Posts: 1933
Joined: 3 September 2015
Year and Model: 96 855 R + 94 855 T5
Location: Austria
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Re: Identifying turbo vs NA axles

Post by Clemens »

Sveedy wrote: 22 Oct 2023, 16:04 So I was in the junkyard today grabbing some interior bits, and I noticed that the '95 GLT I was harvesting from had a turbo gauge on the dash. I thought the GLT in '95 was just a trim package, not a low pressure turbo, but there was the dash gauge. I looked at the axles, and the boots were perfect, so I set about taking out the axles to keep as spares. As I got started, I noticed that it was a NA engine after all. Weird.
I looked at the passenger side axle, and it seemed to be a smaller diameter shaft running to the trans than the one on Sveedy ( turbo ).
Is that actually true, or are my eyes deceiving me. Is there a way to tell the difference without removing the axles ?
I am pretty sure that some or early NAs had thinner diameter axles, although there might have been a difference between AT and M56. The thinner axles are not suitable to turbos. I parted out a 93 NA last year and it had the small diameter axles as opposed to my AT and M56 T5s having latger diameter axles. The small diameter ones will fit tge Turbos, but I think they won't be able to transfer the torque if you were about to go crazy on the loud pedal.
I guess that car had parts from a JY Turbo slapped onto it.
Last edited by Clemens on 25 Oct 2023, 14:46, edited 1 time in total.
Summer: 1996 855 R
Winter: 1994 855 T5M
Donor: 1995 854 10V

User avatar
Clemens
Posts: 1933
Joined: 3 September 2015
Year and Model: 96 855 R + 94 855 T5
Location: Austria
Has thanked: 473 times
Been thanked: 219 times

Post by Clemens »

Sveedy wrote: 22 Oct 2023, 18:41 Well I'll be dipped ! Apparently they use the same axles. I could have sworn that I had read that there was a difference between the turbo and NA.
Guess I'll go back and get them. I might measure the shaft dia. anyway.
At least the early year axles were different.
Summer: 1996 855 R
Winter: 1994 855 T5M
Donor: 1995 854 10V

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