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Search: Posts Made By: crogthomas
Forum: performance & modifications 07-24-2020, 01:24 PM
Replies: 9
Views: 2,263
Posted By crogthomas
LH started in 1990/91. So that being 1984 will be...

LH started in 1990/91. So that being 1984 will be no use to you. Unless it has been changed for some reason. I cannot see the holes around the edge that LH requires. You need a late 240 1991-1993, or...
Forum: performance & modifications 07-24-2020, 10:44 AM
Replies: 9
Views: 2,263
Posted By crogthomas
Complete kit of what?

Complete kit of what?
Forum: performance & modifications 07-23-2020, 03:01 PM
Replies: 9
Views: 2,263
Posted By crogthomas
Where are you? It sounds like the UK? This...

Where are you? It sounds like the UK?
This makes a big difference to what parts will be available to you.
Forum: performance & modifications 07-21-2020, 10:07 AM
Replies: 64
Views: 11,099
Posted By crogthomas
Their website states that machining is required...

Their website states that machining is required for some models. Is the Volvo one of them?
Forum: performance & modifications 07-08-2020, 02:41 PM
Replies: 10
Views: 3,318
Posted By crogthomas
On the 240 with lh2.4 it can safely be left off....

On the 240 with lh2.4 it can safely be left off. Plug the two holes in the throttle body, but keep the roll over valve near the fuel tank. The valve stops fuel gushing out in an accident but still...
Forum: performance & modifications 06-25-2020, 04:28 AM
Replies: 7
Views: 2,209
Posted By crogthomas
The hole in the coolant jacket under port no. 4...

The hole in the coolant jacket under port no. 4 on the 531 is a hangover from that heads use in the European market B230ET.
There was an extra sensor (a thermal time switch) in that hole for the...
Forum: performance & modifications 06-16-2020, 10:32 AM
Replies: 6
Views: 1,964
Posted By crogthomas
It's not hard, but you'll need to read up about...

It's not hard, but you'll need to read up about LH wiring and chipping as sbabbs says. European 240's got LH2.4 from around 1991, so be aware of that when reading on this predominantly US forum.
...
Forum: performance & modifications 06-05-2020, 02:13 PM
Replies: 74
Views: 24,572
Posted By crogthomas
Thanks. I'm planing to use draw air via the...

Thanks. I'm planing to use draw air via the pre-Turbo hose. This way any air going into the system has already been counted via the MAF. Also, when under boost and there being no inlet vacuum, the...
Forum: performance & modifications 06-05-2020, 06:24 AM
Replies: 74
Views: 24,572
Posted By crogthomas
Any suggestions for a PCV er, valve to use?

Any suggestions for a PCV er, valve to use?
Forum: performance & modifications 06-04-2020, 04:32 AM
Replies: 13
Views: 2,858
Posted By crogthomas
The M90 gearbox was never sold in the US, so you...

The M90 gearbox was never sold in the US, so you might be better off asking on the UK Volvo Owners club forum.
What you are trying to do is very straight forward, it's what Volvo themselves did when...
Forum: performance & modifications 05-21-2020, 02:28 PM
Replies: 25
Views: 4,015
Posted By crogthomas
Ah, interesting. To me anyway. I wonder if it...

Ah, interesting. To me anyway.
I wonder if it still has the spacing sleeve inside, but they've adjusted the piston sizes to allow for the different circuit volumes?
Forum: performance & modifications 05-21-2020, 11:34 AM
Replies: 25
Views: 4,015
Posted By crogthomas
Since Im also about to replumb my car as a...

Since Im also about to replumb my car as a front/rear system, I thought Id better find out exactly how the Volvo master cylinder works. That SAE paper hiperfauto refers to above explains it all.
...
Forum: performance & modifications 05-19-2020, 10:03 AM
Replies: 25
Views: 4,015
Posted By crogthomas
There is nothing complicated about the junction...

There is nothing complicated about the junction block. Each end is entirely separate. It's simply two distribution manifolds, with one input and three outputs each. The older one has a valve in the...
Forum: performance & modifications 04-28-2020, 09:08 AM
Replies: 7
Views: 1,303
Posted By crogthomas
I'd persevere, you could spend a billion hours...

I'd persevere, you could spend a billion hours tuning and fine tuning a megasquirt ECU and still not get it to run half as good as the stock stuff.
Ebay UK has plenty of 940 ECUs and EZKs on it....
Forum: performance & modifications 04-28-2020, 08:39 AM
Replies: 29
Views: 3,658
Posted By crogthomas
Are you sure? I measured three B230FT blocks...

Are you sure?
I measured three B230FT blocks and got closer to 25.1mm (1" is 25.4mm) which is a significant enough difference for a press fit to fail.
Forum: performance & modifications 04-28-2020, 08:36 AM
Replies: 7
Views: 1,303
Posted By crogthomas
From experience the NA computers are definitely...

From experience the NA computers are definitely fine to start, idle and move the vehicle around on tiny throttle inputs. I'm not sure I'd want to drive it anywhere though. I would imagine the NA EZK...
Forum: performance & modifications 04-24-2020, 03:08 AM
Replies: 17
Views: 1,459
Posted By crogthomas
I'm not sure I'm brave enough to weld a steering...

I'm not sure I'm brave enough to weld a steering column. Especially when the correct part is so easily available.
Forum: projects & restorations 04-23-2020, 12:10 PM
Replies: 240
Views: 120,231
Posted By crogthomas
That would be ideal. It's what I use.

That would be ideal. It's what I use.
Forum: projects & restorations 04-23-2020, 10:25 AM
Replies: 240
Views: 120,231
Posted By crogthomas
That remote oil sensor is a smart idea. But a...

That remote oil sensor is a smart idea. But a warning, the blue elbow you have in the line is made from a thin wall aluminium. They fracture really easily, which would be a very bad thing to happen....
Forum: performance & modifications 04-23-2020, 06:49 AM
Replies: 17
Views: 1,459
Posted By crogthomas
Yes, you keep the UJs and replace the fat rubber...

Yes, you keep the UJs and replace the fat rubber filled shaft with a plain straight steel part, as linked to above from Coleman.
There is also a old Range Rover steering shaft that will fit.
Forum: performance & modifications 04-23-2020, 06:25 AM
Replies: 12
Views: 1,658
Posted By crogthomas
How are you going to make it drive the wheels?...

How are you going to make it drive the wheels? Anything you add to the end of a normal inline gearbox is going to make it very long overall, leaving no room for the engine. I'm assuming this is a...
Forum: performance & modifications 04-22-2020, 09:39 AM
Replies: 12
Views: 1,658
Posted By crogthomas
That sounds a very interesting project. Tell us...

That sounds a very interesting project. Tell us more.

Do you mean the M45 as used in the transaxle of the 360?
It's VERY long due to the layout. I'd have thought it wouldn't be ideal for a...
Forum: performance & modifications 04-22-2020, 08:02 AM
Replies: 6
Views: 1,073
Posted By crogthomas
I don't know much about LH2.2, but I think you...

I don't know much about LH2.2, but I think you need to make sure the distributor is also from a LH2.2 car as it has a sensor in it.
Forum: performance & modifications 04-22-2020, 06:53 AM
Replies: 6
Views: 1,073
Posted By crogthomas
The B230 engine can be converted to either type...

The B230 engine can be converted to either type of distributor, and was done in the various models that used it. The 240 had a block mounted distributor and the 740/940 usually head mounted (but can...
Forum: performance & modifications 04-02-2020, 10:23 AM
Replies: 6
Views: 1,255
Posted By crogthomas
My approach has always been to set the block and...

My approach has always been to set the block and pistons to equal height and vary the squish using the headgasket only. I aim for 0.9 to 1.1mm (0.035-0.045in). A sturdy engine like the redblock with...
Forum: aftermarket engine management 02-14-2020, 11:43 AM
Replies: 2,319
Views: 1,480,427
Posted By crogthomas
From my notes it's address 0F26. You need to put...

From my notes it's address 0F26. You need to put this to a very high value (256?).
Forum: performance & modifications 02-14-2020, 06:17 AM
Replies: 11
Views: 2,943
Posted By crogthomas
I too extended 15mm below the pivot on my M90. ...

I too extended 15mm below the pivot on my M90.

4cm sounds too long, I'd expect you'd end up hitting the driveshaft.
Forum: performance & modifications 08-14-2019, 04:31 PM
Replies: 16
Views: 3,007
Posted By crogthomas
That said, I've never had any problems with 'ebay...

That said, I've never had any problems with 'ebay junk' as long as I've specified the correct parts for the job.
Forum: performance & modifications 08-14-2019, 04:30 PM
Replies: 16
Views: 3,007
Posted By crogthomas
There are plenty of reputable suppliers in the...

There are plenty of reputable suppliers in the UK. Just off the top of my head:
Rally Design
Demon Tweaks
Trident Racing Supplies
Competition Supplies
The hose supplier Earls also seem to have...
Forum: performance & modifications 07-09-2019, 02:49 AM
Replies: 3
Views: 1,386
Posted By crogthomas
50mm

50mm
Forum: performance & modifications 05-28-2019, 06:23 AM
Replies: 17
Views: 4,048
Posted By crogthomas
The pivot needs to be spaced about 6mm to work...

The pivot needs to be spaced about 6mm to work properly in my experience.
Forum: performance & modifications 03-17-2019, 04:32 AM
Replies: 60
Views: 18,697
Posted By crogthomas
Is this not just the standard behaviour of a car...

Is this not just the standard behaviour of a car with a solid rear axle due to the torque reaction through the engine/propshaft?
The standard way of dealing with that (for drag racing at least) is...
Forum: performance & modifications 03-17-2019, 04:20 AM
Replies: 8
Views: 3,091
Posted By crogthomas
More good info, thanks. Have you tried any of...

More good info, thanks. Have you tried any of them?
Forum: performance & modifications 03-15-2019, 07:50 AM
Replies: 8
Views: 3,091
Posted By crogthomas
Very useful to know, thanks. This also suggests...

Very useful to know, thanks.
This also suggests that BMW master cylinders of the era might be a good swap for someone looking for a larger piston for bigger brake calipers. Perhaps the E32 750i or...
Forum: performance & modifications 03-12-2019, 12:23 PM
Replies: 60
Views: 18,697
Posted By crogthomas
Most likely because Group A cars weren't allowed...

Most likely because Group A cars weren't allowed to move suspension mounting points. If you've got the freedom to move them (which I assume you have in 'crapcan' racing) then do whatever is the most...
Forum: performance & modifications 03-06-2019, 03:42 AM
Replies: 10
Views: 2,581
Posted By crogthomas
It looks to me as if the divider is relieved to...

It looks to me as if the divider is relieved to deal with heat expansion. In a similar way to the bridge across the exhaust port of a 2 stroke engine is ground back.
That thin part with very little...
Forum: performance & modifications 02-13-2019, 09:03 AM
Replies: 11
Views: 2,473
Posted By crogthomas
Firstly a disclaimer, I've not done this, but I...

Firstly a disclaimer, I've not done this, but I assume there is a lip in the hole in the block that the dished welch plug sits against when you hit it? I'd carefully grind that lip off and then...
Forum: performance & modifications 02-13-2019, 03:51 AM
Replies: 11
Views: 2,473
Posted By crogthomas
Picture by bgpzfm142 on this page: ...

Picture by bgpzfm142 on this page:
https://ozvolvo.org/discussion/7528/what-would-cause-welch-plugs-to-blow-out-continually-on-a-rebuilt-engine

And on re-reading I notice someone by the name of...
Forum: performance & modifications 02-13-2019, 03:34 AM
Replies: 11
Views: 2,473
Posted By crogthomas
Before very recently I've only ever seen core...

Before very recently I've only ever seen core plugs retained with bolts and washers overlapping the edges of the cup type plugs.
I'll see if I can find a photo.
I see no reason why the same method...
Forum: performance & modifications 02-05-2019, 06:14 AM
Replies: 18
Views: 3,930
Posted By crogthomas
Great, thanks.

Great, thanks.
Forum: performance & modifications 02-02-2019, 01:14 PM
Replies: 18
Views: 3,930
Posted By crogthomas
I'm sure this will be obvious when I take a...

I'm sure this will be obvious when I take a closer look, but which end?
Forum: performance & modifications 01-31-2019, 03:39 AM
Replies: 5
Views: 1,860
Posted By crogthomas
Sorry, don't know. BUT you could just phone up...

Sorry, don't know.
BUT you could just phone up FRF Volvo and order the actual part to be delivered to your house in time for your return. I can't image it actually costs much. I've always been...
Forum: performance & modifications 01-30-2019, 12:52 PM
Replies: 2
Views: 1,731
Posted By crogthomas
I have no use for this, but I appreciate the...

I have no use for this, but I appreciate the effort that has gone into it. Nice work.

It would look even more stock if you made the flat part that sticks out to the side with ribs that mimic the...
Forum: performance & modifications 01-19-2019, 04:46 PM
Replies: 5
Views: 1,699
Posted By crogthomas
As far as I remember the pistons are the same...

As far as I remember the pistons are the same size. So the pedal should feel the same, just with more stopping force.
Forum: performance & modifications 01-11-2019, 04:59 AM
Replies: 22
Views: 3,795
Posted By crogthomas
Have you checked the rubber hose between turbo...

Have you checked the rubber hose between turbo and air filter? They go soft with age and oil contamination and then get sucked flat under load.
Forum: performance & modifications 11-16-2018, 10:03 AM
Replies: 32
Views: 9,098
Posted By crogthomas
Then your problem lies elsewhere, don't...

Then your problem lies elsewhere, don't complicate things by adding a recirculating bypass valve, it's not required for the engine to run or idle.
A rough idle is almost always down to a air leak...
Forum: performance & modifications 11-15-2018, 04:52 PM
Replies: 32
Views: 9,098
Posted By crogthomas
What is currently fitted? I have no bypass...

What is currently fitted?

I have no bypass or dump valve of any sort and no idle issues.
Forum: performance & modifications 11-07-2018, 02:45 PM
Replies: 2
Views: 1,806
Posted By crogthomas
Also the M47 clutch plate and the M90 pressure...

Also the M47 clutch plate and the M90 pressure plate are different sizes.
eabras gives the correct answer.

Actually the correct answer would be to fit the M90 gearbox, but the M47 should be fine...
Forum: performance & modifications 11-01-2018, 11:45 AM
Replies: 12
Views: 2,665
Posted By crogthomas
All Volvo 200/700/900 LH2.4 ECUs work only with...

All Volvo 200/700/900 LH2.4 ECUs work only with high ohm injectors.

Some vehicles (240) have high ohm injectors as standard.
Some (940 Turbo) use low ohm injectors with a resistor pack in the...
Forum: performance & modifications 10-31-2018, 08:40 AM
Replies: 6
Views: 2,382
Posted By crogthomas
What size what? The threaded part I think is...

What size what?

The threaded part I think is 3/4 UNF.
Volvo Pt no. 1378114
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