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Search: Posts Made By: OttoB
Forum: maintenance & nonperformance Yesterday, 01:30 PM
Replies: 8
Views: 255
Posted By OttoB
I recall that Lh 2.4 cars got hole diameter...

I recall that Lh 2.4 cars got hole diameter around 70 mm. We couldn't find suitable grommet, and grommet part number didn't give any matches.

We ended to use a boat equipment with three 12 mm...
Forum: performance & modifications 06-15-2021, 12:30 PM
Replies: 3
Views: 383
Posted By OttoB
Yes, i built a Y-pipe to B30E and it killed low...

Yes, i built a Y-pipe to B30E and it killed low end torque. After several simulations I will try smaller and longer tube, have merge collector and megaphone to adapt collector to exhaust pipe.
Forum: aftermarket engine management 06-06-2021, 02:18 PM
Replies: 45
Views: 3,704
Posted By OttoB
I have made couple Vipec and Maxxecus with stock...

I have made couple Vipec and Maxxecus with stock vr stuff, both red and white blocks. Bolt on, connect couple wires. Turn key.
Forum: aftermarket engine management 06-06-2021, 11:19 AM
Replies: 45
Views: 3,704
Posted By OttoB
Yes. I have built several different aftermarket...

Yes. I have built several different aftermarket ecus. OEM triggering systems are my first choice. Last choice would be front trigger wheel and hall sensor.
Forum: aftermarket engine management 06-06-2021, 05:29 AM
Replies: 45
Views: 3,704
Posted By OttoB
I would trust what Swedish engineers designed...

I would trust what Swedish engineers designed with sensor, braket and triggering and all. Several details are tested and proven by Volvo.
Forum: performance & modifications 05-17-2021, 04:14 AM
Replies: 36
Views: 5,237
Posted By OttoB
And I thought that my job was something special!

And I thought that my job was something special!
Forum: maintenance & nonperformance 05-16-2021, 04:28 AM
Replies: 10
Views: 1,678
Posted By OttoB
I have fixed couple 240 engine wirelooms. When...

I have fixed couple 240 engine wirelooms. When you open that plastic tube, you will find some wires are all right, and some not. Maybe colour issue?

I just cut bad parts away, crimped new...
Forum: performance & modifications 05-15-2021, 08:18 AM
Replies: 36
Views: 5,237
Posted By OttoB
Wg hole 29 mm, said one guy.

Wg hole 29 mm, said one guy.
Forum: performance & modifications 05-14-2021, 03:18 AM
Replies: 146
Views: 13,703
Posted By OttoB
This will definitely spool

This will definitely spool
Forum: performance & modifications 05-14-2021, 02:40 AM
Replies: 36
Views: 5,237
Posted By OttoB
0.63 housing, enlarged wg hole (not 2.75") ...

0.63 housing, enlarged wg hole (not 2.75")
Machined conically between turbine outlet to exhaust flange.
Enlarged exhaust flange hole, width of cone sealing the exhaust is 3-4 mm. Opening of...
Forum: performance & modifications 05-13-2021, 12:27 PM
Replies: 36
Views: 5,237
Posted By OttoB
Actually, I already asked them.

Actually, I already asked them.
Forum: performance & modifications 05-13-2021, 10:30 AM
Replies: 36
Views: 5,237
Posted By OttoB
I think the best sauce could be Sävär? It is full...

I think the best sauce could be Sävär? It is full of old Volvo Frats.
Forum: maintenance & nonperformance 05-13-2021, 04:48 AM
Replies: 10
Views: 1,659
Posted By OttoB
I welded that but door was still flexy. ...

I welded that but door was still flexy.

Welded there a small L-shaped sheet metal piece.

No welder? Maybe riveting and some glue?
Forum: maintenance & nonperformance 05-13-2021, 04:44 AM
Replies: 12
Views: 1,908
Posted By OttoB
Fuel pump connectors?

Fuel pump connectors?
Forum: performance & modifications 05-12-2021, 02:35 AM
Replies: 36
Views: 5,237
Posted By OttoB
https://historicdb.fia.com/car/volvo-240-turbo-212...

https://historicdb.fia.com/car/volvo-240-turbo-2127

Homologation paper has some measurements of turbine components.
Forum: performance & modifications 05-08-2021, 01:56 PM
Replies: 19
Views: 2,917
Posted By OttoB
Im going to try Mobil Delvac on my M410. Positive...

Im going to try Mobil Delvac on my M410. Positive comments from wet-clutch motor-cycle guys, so why not
Forum: performance & modifications 05-06-2021, 01:15 AM
Replies: 6
Views: 1,876
Posted By OttoB
There might be short cut, a joint with different...

There might be short cut, a joint with different size caps. Think they are called "conversion joints".
Forum: performance & modifications 05-05-2021, 01:43 PM
Replies: 10
Views: 2,109
Posted By OttoB
Ignition timing is not only power/fuel...

Ignition timing is not only power/fuel consumption issue.

At low loads early ignition gives more torque, but cat can be too xold to function.
Forum: maintenance & nonperformance 05-02-2021, 12:12 PM
Replies: 53
Views: 8,612
Posted By OttoB
Story goes that they assembled 122S longer than...

Story goes that they assembled 122S longer than that. There was a assembly line in South Africa which continued to the year 1971.
Forum: projects & restorations 05-02-2021, 05:05 AM
Replies: 22
Views: 5,016
Posted By OttoB
Grodor smakar som pyton

Grodor smakar som pyton
Forum: maintenance & nonperformance 04-30-2021, 05:28 AM
Replies: 12
Views: 2,240
Posted By OttoB
Sorry Jack, didn't read your topic carefully. I...

Sorry Jack, didn't read your topic carefully. I was thinking turbine housing.

For turbine, try owen cleaner?
Forum: maintenance & nonperformance 04-29-2021, 01:16 PM
Replies: 12
Views: 2,240
Posted By OttoB
I'm dipping my stuff in citric acid. 10% mixture...

I'm dipping my stuff in citric acid. 10% mixture with water. Nice stuff.
Forum: performance & modifications 04-20-2021, 03:56 PM
Replies: 22
Views: 4,040
Posted By OttoB
Hydraulic release bearing? Is that Crank...

Hydraulic release bearing?

Is that Crank Position Sensor hole at the top of the bellhousing?
Forum: performance & modifications 04-17-2021, 05:50 AM
Replies: 17
Views: 2,685
Posted By OttoB
There are three versions of ratios for M400/M410....

There are three versions of ratios for M400/M410. I don't have exact numbers right now, but 1st gear ratios are like:
Early 3,1:1
Late 3,5:1
Racing 2,5:1 (This gear set can be found in some...
Forum: maintenance & nonperformance 04-03-2021, 02:59 PM
Replies: 12
Views: 1,695
Posted By OttoB
IIRC, there are three wires red, black and...

IIRC, there are three wires red, black and yellow.

Black goes to ground, others to relays. One relay for opening, one for closing. Follow wiring diagram.
Forum: maintenance & nonperformance 04-02-2021, 12:39 PM
Replies: 13
Views: 1,913
Posted By OttoB
I would get pedal from 240 and wire from B20...

I would get pedal from 240 and wire from B20 engine.
Forum: maintenance & nonperformance 03-27-2021, 06:03 PM
Replies: 4
Views: 1,436
Posted By OttoB
I copied hole/tooth length ratio and tdc position...

I copied hole/tooth length ratio and tdc position of Lh 60-2 B230 flywheel to B30E flywheel. Then checked VR polarity with scope. Little work with air gap it worked well.
Forum: performance & modifications 03-20-2021, 04:20 AM
Replies: 8
Views: 1,866
Posted By OttoB
Maxxecu can use Vr-signal without converters. ...

Maxxecu can use Vr-signal without converters.

And I'd follow Bobxyz hint to use 60-2 flywheel and crank trigger system from LH2.4.

With 60-2 flywheel you can use wasted spark ignition and...
Forum: performance & modifications 03-18-2021, 02:00 AM
Replies: 15
Views: 2,526
Posted By OttoB
Yep, my FPR was stuck and I had about 5 bar fuel...

Yep, my FPR was stuck and I had about 5 bar fuel pressure. Black smoke when at cold start, sometimes small hesitation, but lambda correction handeled almost 90% of all driving conditions.

Of...
Forum: maintenance & nonperformance 03-09-2021, 04:40 AM
Replies: 7
Views: 1,421
Posted By OttoB
I would cut pieces from other cars.

I would cut pieces from other cars.
Forum: performance & modifications 03-08-2021, 07:45 AM
Replies: 4
Views: 2,189
Posted By OttoB
Get 240 abs front strut. Get speedo from same...

Get 240 abs front strut. Get speedo from same 240. Put that speedo mechanism in old insrument cluster.
Done
Forum: performance & modifications 03-07-2021, 05:00 AM
Replies: 5
Views: 1,610
Posted By OttoB
Pojken Wagner shared a tip how to check if it is...

Pojken Wagner shared a tip how to check if it is 9 mm or 13 mm rod engine. Just can't find it.
Forum: performance & modifications 03-06-2021, 06:21 AM
Replies: 10
Views: 2,591
Posted By OttoB
940 style ic with stock piping fits nicely with...

940 style ic with stock piping fits nicely with little cutting of panels.
Forum: performance & modifications 03-05-2021, 09:02 AM
Replies: 13
Views: 2,954
Posted By OttoB
If you are playing with k-jet you NEED equipment...

If you are playing with k-jet you NEED equipment to measure fuel pressure (s). Must have.

Go to the store selling hydraulic stuff. I use double (long) banjo bolts to connect gauges.
Forum: performance & modifications 03-03-2021, 01:44 PM
Replies: 13
Views: 2,954
Posted By OttoB
K-Jet is known to deliver about 45 hp per...

K-Jet is known to deliver about 45 hp per cylinder. B21E is four cylinder model, so most you can get is something like 180 hp when everything is correct. 240 Turbo K-Jet is built from six cylinder...
Forum: performance & modifications 02-12-2021, 02:05 PM
Replies: 12
Views: 2,170
Posted By OttoB
Oh well. It is pressure of exhaust that runs...

Oh well.

It is pressure of exhaust that runs the turbo. With Re85 you can run higher cylinder pressure than with gasoline, resulting higher pressure at the end of expansion stroke. -> more kick...
Forum: performance & modifications 01-31-2021, 07:34 AM
Replies: 68
Views: 9,255
Posted By OttoB
Check Lankku and his 245.

Check Lankku and his 245.
Forum: performance & modifications 01-31-2021, 06:28 AM
Replies: 60
Views: 8,253
Posted By OttoB
I used crank dyno. Cam is 762 from Timos...

I used crank dyno.

Cam is 762 from Timos Motors, old profile and I would certainly had another cam, but things are bit complicated with B30. 762 is like K but little more lift. I might go back to...
Forum: performance & modifications 01-30-2021, 04:37 AM
Replies: 30
Views: 7,268
Posted By OttoB
Triumph 2500 six Free! Plus: Pistons 600...

Triumph 2500 six
Free!

Plus:
Pistons 600
Rods 800
Compressor kit 5000
Head renovation 800
Oil sump 200
Maxxecu 1000
Forum: performance & modifications 01-30-2021, 04:21 AM
Replies: 60
Views: 8,253
Posted By OttoB
I rebuild B30E with little hotter cam. Pistons...

I rebuild B30E with little hotter cam. Pistons are .015" oversized and I choose B30E head gasket. Measurement showed that pistons were from 0,5 to 0,6 mm below deck, due small variation in rod...
Forum: performance & modifications 01-24-2021, 04:55 AM
Replies: 4
Views: 1,892
Posted By OttoB
Pretty opposite of how it is on B230FT

Pretty opposite of how it is on B230FT
Forum: performance & modifications 01-17-2021, 01:42 PM
Replies: 17
Views: 4,296
Posted By OttoB
This is the one I will accept. AMM needs straight...

This is the one I will accept. AMM needs straight tube before air inlet.
Forum: performance & modifications 01-10-2021, 03:54 PM
Replies: 6
Views: 2,589
Posted By OttoB
Diode lives easy happy life in connectors rubber...

Diode lives easy happy life in connectors rubber boot.
Forum: performance & modifications 01-07-2021, 03:46 PM
Replies: 31
Views: 8,365
Posted By OttoB
Depending how often previous owners changed oil...

Depending how often previous owners changed oil and amout of cold starts, but over 300 t miles is nothing special for Volvo.
Opened one B230F and piston ring gaps were in factory specs after 350000...
Forum: performance & modifications 01-06-2021, 06:01 AM
Replies: 31
Views: 8,365
Posted By OttoB
Crank is cast, rods are forged, piston high...

Crank is cast, rods are forged, piston high pressure cast.

All are good for over 400 hp.
Forum: performance & modifications 01-03-2021, 06:25 AM
Replies: 31
Views: 8,365
Posted By OttoB
Higher compression ratio helps with city driving....

Higher compression ratio helps with city driving. When I was replacing HG, the head was skimmed 1,5 mm. No bad side effects. Boost is 0,8 bar, wg actuator is from Subaru/Kinukawa.
Forum: projects & restorations 12-30-2020, 04:27 PM
Replies: 28
Views: 12,854
Posted By OttoB
Nice work. Here is a link for Finnish build...

Nice work.

Here is a link for Finnish build 945 and tdi.
https://kulmamies.kuvat.fi/kuvat/Volvo+940+D5252T/
F
Forum: performance & modifications 12-25-2020, 06:24 AM
Replies: 6
Views: 1,937
Posted By OttoB
One Golf rally car has wur replaced with common...

One Golf rally car has wur replaced with common adjustable fuel pressure regulator. I would have that to set base control pressure and bleed that pressure lower for cold starts and high loads.
...
Forum: performance & modifications 11-27-2020, 10:48 AM
Replies: 27
Views: 5,029
Posted By OttoB
David Vidards book How to tune BL-A engines has...

David Vidards book How to tune BL-A engines has good portion of good SU modification tips, hints and flow results.
Forum: performance & modifications 11-26-2020, 12:12 PM
Replies: 12
Views: 2,186
Posted By OttoB
I measused a couple B30, all pistons were about...

I measused a couple B30, all pistons were about 0,5 mm below the deck at TDC.
Slight variation on that measure, rods were +- O,1 mm in length.
Showing results 1 to 50 of 300

 
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