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Old 08-08-2017, 05:07 PM   #1
AlexStromberg
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Default First mods on a stock b230ft?

Hello my dudes, im going to buy a 940 soon and would like what would be some nice performance mods that doesn't mean changing a whole lot? What is come up with is chipping and maybe advancing the timing? Is there anything else that is kinda cheap?
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Old 08-08-2017, 05:14 PM   #2
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Can't really meaningfully advance the timing, it's controlled by the flywheel and ECU, although I think someone found some pins on the ECU that tricked it a little? Either way, you don't need more timing advance.

Really cheap? If it's bone stock and running boost levels, $25-ish and put on a manual boost controller, turn that boost up to 10 - 11 - 12 psi. Cheapest HP/$ bargain ever. Past that, a set of browntops and a little more boost.

Past that, options all get a little spendier and more varied. It depends on your goals. If you do things incrementally, you might end up redoing things.
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Old 08-08-2017, 05:17 PM   #3
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Can't really meaningfully advance the timing, it's controlled by the flywheel and ECU, although I think someone found some pins on the ECU that tricked it a little? Either way, you don't need more timing advance.

Really cheap? If it's bone stock and running boost levels, $25-ish and put on a manual boost controller, turn that boost up to 10 - 11 - 12 psi. Cheapest HP/$ bargain ever. Past that, a set of browntops and a little more boost.

Past that, options all get a little spendier and more varied. It depends on your goals. If you do things incrementally, you might end up redoing things.
Okok, not looking for a lot of hp atm just maybe 170 which can't be that hard to reach? A 531 head shouldn't be that hard to find here, so that may be something.
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Old 08-08-2017, 05:28 PM   #4
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Okok, not looking for a lot of hp atm just maybe 170 which can't be that hard to reach? A 531 head shouldn't be that hard to find here, so that may be something.
A b230ft is already 165hp, unless you want 170whp. Chips and a manual boost controller will get you there easily. I wouldn't even think about swapping to a 531 head. Would probably net a 0hp improvement.
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Old 08-08-2017, 05:30 PM   #5
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Completely stock b230ft @ 15psi via a cheap manual boost controller is plenty of fun for about $25.
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Old 08-08-2017, 05:31 PM   #6
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Surprised nobody has mentioned stage zero yet. First. Always first.
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Old 08-08-2017, 05:32 PM   #7
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A b230ft is already 165hp, unless you want 170whp. Chips and a manual boost controller will get you there easily. I wouldn't even think about swapping to a 531 head. Would probably net a 0hp improvement.
Oh i forgot aboit that, i just find the LPT ones with 130hp, totally forgot about that. Then i mean around 210 hp would be a nice spot to be at. Or is that too high with more boost on the stock turbo?
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Old 08-08-2017, 05:33 PM   #8
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Surprised nobody has mentioned stage zero yet. First. Always first.
Already going to do that
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Old 08-08-2017, 05:58 PM   #9
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Surprised nobody has mentioned stage zero yet. First. Always first.
But it's more of an adventure if you don't
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Old 08-08-2017, 07:28 PM   #10
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Oh i forgot aboit that, i just find the LPT ones with 130hp, totally forgot about that. Then i mean around 210 hp would be a nice spot to be at. Or is that too high with more boost on the stock turbo?
Chips and turning up the boost will easily get that power level, reliably. Beyond that you may look into more fuel, turbo, etc...
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Old 08-08-2017, 07:39 PM   #11
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I always thought there was some Swedish equivalent of turbobricks. Is there?
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Old 08-09-2017, 06:52 AM   #12
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Chips and turning up the boost will easily get that power level, reliably. Beyond that you may look into more fuel, turbo, etc...
Okok, sounds good, 200 will probably be enough at the start, then maybe make the engine breath better and so on.
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Old 08-09-2017, 09:35 AM   #13
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I always thought there was some Swedish equivalent of turbobricks. Is there?
Yes.
http://forum.savarturbo.se/
https://www.garaget.org/forum/
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Old 08-09-2017, 09:55 AM   #14
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When I had my 940T I chipped my ECU, got a 3" exhaust, turned up the boost to ~1bar and got a locker.
It was really fun until the clutch started slipping and eventually the 20yo me crashed it.

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I always thought there was some Swedish equivalent of turbobricks. Is there?
Maybe he's banned
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Old 08-09-2017, 10:22 AM   #15
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I'm always confused when a person from Sweden asks modification questions about Volvos.
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Old 08-09-2017, 11:43 AM   #16
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I'm always confused when a person from Sweden asks modification questions about Volvos.
...because maybe i don't have a single friend with a volvo? By that logic an American can't ask stuff about LS engines?
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Old 08-09-2017, 11:45 AM   #17
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When I had my 940T I chipped my ECU, got a 3" exhaust, turned up the boost to ~1bar and got a locker.
It was really fun until the clutch started slipping and eventually the 20yo me crashed it.



Maybe he's banned
Im not banned from any site, just like english speaking forums better and i legit don't know most car stuff in Swedish, so english is easier.
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Old 08-09-2017, 12:30 PM   #18
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...because maybe i don't have a single friend with a volvo? By that logic an American can't ask stuff about LS engines?
That's not the point he's making. Knowledge base in Swedish forums tends to be much better.

So anyway, what trans do you have? Are you sure it's an FT with Jetronic and not an ET with Motronic?
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Old 08-09-2017, 12:43 PM   #19
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As stated, chips (LH and EZK) and 1 bar boost is a cheap but good start. Then a better exhaust and IC. This will get You around 200 hp.
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Are you sure it's an FT with Jetronic and not an ET with Motronic?
I don't think Scandinavia got 940 with ET engines.
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Old 08-09-2017, 01:13 PM   #20
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For modest gains, does one really need to chip?

-Ryan
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Old 08-09-2017, 01:15 PM   #21
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I think no one ever god 940 with ET motors, as they were left to oblivion some time around introduction of the LH2.4, 1989 or so. Right?

Motronic sucks anyway, Jetronic is romantic.
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Old 08-09-2017, 04:24 PM   #22
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For modest gains, does one really need to chip?

-Ryan
Need? No. Should? Yes.
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Old 08-09-2017, 04:28 PM   #23
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For modest gains, does one really need to chip?

-Ryan
I think that as long as you have a stock intercooler, you get a pretty good bump by adding that MBC and running the boost up to 10 - 11 - 12 psi. The stock injectors have some overhead, the ECU and MAF has some overhead, really nothing needed other than the MBC. Possibly gap the plugs a little less.

I forget how much that nets in terms of HP though.
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Old 08-09-2017, 04:30 PM   #24
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Oil catch can and improved crankcase venting would be my first mod.
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