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by diggler30
18 Jun 2018, 10:03
Forum: 850, S70, V70, C70, V70-XC 1992-2000
Topic: 1997 850R - Stumped - Boost Issue
Replies: 24
Views: 3986

Re: 1997 850R - Stumped - Boost Issue **Solved**

Update: Well, the stock wastegate went back in and now everything works! Not sure why the previous attempts didn't fix it but maybe I had multiple problems that have now been fixed. I am so happy its working again but at the same time disappointed that a part that is supposed to work doesn't. I am a...
by diggler30
14 Jun 2018, 09:54
Forum: 850, S70, V70, C70, V70-XC 1992-2000
Topic: 1997 850R - Stumped - Boost Issue
Replies: 24
Views: 3986

Re: 1997 850R - Stumped - Boost Issue

Yes, BOV is accounted for in the tune. I brought my OEM Wastegate to work and will probably put it on at my lunch break today and test it on the way home. If its still the same then I guess I will have to save for a turbo :(
by diggler30
14 Jun 2018, 07:32
Forum: 850, S70, V70, C70, V70-XC 1992-2000
Topic: 1997 850R - Stumped - Boost Issue
Replies: 24
Views: 3986

Re: 1997 850R - Stumped - Boost Issue

The flap opens and closes super easy with the arm not connected. One thing I just thought of yesterday is that even though I have a Blow Off Valve, there is still pressure being released to where I can hear it in the intake along with the BOV. Is that normal? Also what about the cap and rotor being ...
by diggler30
13 Jun 2018, 14:35
Forum: 850, S70, V70, C70, V70-XC 1992-2000
Topic: 1997 850R - Stumped - Boost Issue
Replies: 24
Views: 3986

Re: 1997 850R - Stumped - Boost Issue

Maybe it's time for an 18t upgrade for "testing purposes!" If I could I would. I hate being broke all of the time. But wife and kids come before my car I guess. :) I hear ya... it's not fun trying to do my V70R M56 swap with no money! Fortunately no wife or kids for me to worry about yet....
by diggler30
13 Jun 2018, 13:43
Forum: 850, S70, V70, C70, V70-XC 1992-2000
Topic: 1997 850R - Stumped - Boost Issue
Replies: 24
Views: 3986

Re: 1997 850R - Stumped - Boost Issue

bmdubya1198 wrote: 13 Jun 2018, 13:42 Maybe it's time for an 18t upgrade for "testing purposes!"
If I could I would. I hate being broke all of the time. But wife and kids come before my car I guess. :)
by diggler30
13 Jun 2018, 13:34
Forum: 850, S70, V70, C70, V70-XC 1992-2000
Topic: 1997 850R - Stumped - Boost Issue
Replies: 24
Views: 3986

Re: 1997 850R - Stumped - Boost Issue

Thank you all for your replies. I put the OEM wastegate back on a year ago maybe and it was doing the same thing. Maybe its time I try it again to see. And, yes its the one from ARD. You know, I wondered about the actual Wastegate flap in the turbo myself. I was hoping to never have to remove it unt...
by diggler30
11 Jun 2018, 14:28
Forum: 850, S70, V70, C70, V70-XC 1992-2000
Topic: 1997 850R - Stumped - Boost Issue
Replies: 24
Views: 3986

Re: 1997 850R - Stumped - Boost Issue

It has a Blow Off Valve now, CBV is in good shape but in a drawer in my garage. Just put it in to check out if the BOV was an issue.

I did also do a MAF swap and it was the same result.

Yeah, not sure if O2 would be an issue but I would assume I would see a fault code for it.
by diggler30
11 Jun 2018, 14:04
Forum: 850, S70, V70, C70, V70-XC 1992-2000
Topic: 1997 850R - Stumped - Boost Issue
Replies: 24
Views: 3986

Re: 1997 850R - Stumped - Boost Issue

Yes, I have a Stage 2 tune from ARD (see signature for mods). Have had the same tune for 3 years now (~17psi) and it was fine before this started up. I spent some time with Robert and he put in a flat boost curve and it still danced all over so the tune is good. As for the TCV, I am currently using ...
by diggler30
11 Jun 2018, 13:18
Forum: 850, S70, V70, C70, V70-XC 1992-2000
Topic: 1997 850R - Stumped - Boost Issue
Replies: 24
Views: 3986

1997 850R - Stumped - Boost Issue

Hello, When I punch the throttle I get an overboost and then it cuts back too far and sometimes will settle on a number and sometimes will keep going back and forth a few times. Typically it will hit 19 or 20 which isn't bad but it cuts back to 13 or 14 which is horrible. It reacts different every t...
by diggler30
28 Mar 2018, 18:51
Forum: 850, S70, V70, C70, V70-XC 1992-2000
Topic: What did you do to your Volvo today?
Replies: 11817
Views: 1379268

Re: What did you do to your Volvo today? (now Sticky!!)

Installed a ScanGauge II. Ran the cable behind all of the panels. Looking good!