The blocks look pretty much identical at a passing glance.

cheers

James

I have both (B172 and D16) and they are very simillar.


The motor mounts are the same I believe...

I'm selling the diesel but before I'll do some pics of the engine

there are some 1.9 injectors on ebay if anyone wants....

the blocks are almost identical indeed.

the B172, D16 and D19 blocks were designed 'in one go'
even the cilinder heads are very similar (B172 has heron pistons, diesel has higher compression because of flat pistons. main difference is not in the heads, contrary to other multifuel block designs)

Greetings Wouter

I once met a chap in London who had a 1.6 Irish 340. They are rhd but were never officially imported to the UK. If my memory serves me right, he mentioned that Volvo Ireland modified the engine mounts to make the engine lean over ( like Saab engine ) to avoid the fuel pump colliding with the steering problem. From memory that was the reason for the RHD not being officially built. Pete, you have a 1.9 TD 340??

The 1.9 and 1.6 are pretty much the same block - same family as the B172 and the B18 series that went into the 400 series. Although the blocks look the same I wonder if the engine series was designed as petrol/ diesel series ie the petrol engines have the stronger blocks like the diesels. From the outside they do look pretty much the same

I guess some bore stroke comparisons would be useful....

Just for random interest, the N series ( later the RN series ) engines from the 850, X70 series etc were originally designed to have a diesel version from the outset. So all the inline 5s actually have blocks capable of copign with the stresses of running diesel. Nice for durability!! The D5 was planned from the start of project Galaxy and G1 - the cars that lead to the 850...

I also heard this, however the D5 isn't actually a whiteblock 5 derived engine as far as I'm aware - it's a Volvo Penta D3-160 in drag!

cheers

James

oh let's not mix up things with the later B18 versions. these were definately improved over the B172!!!

I'm positive that the renault F-block was designed to be usable both as petrol and diesel version...

foggyjames wrote:I also heard this, however the D5 isn't actually a whiteblock 5 derived engine as far as I'm aware - it's a Volvo Penta D3-160 in drag!

cheers

James

Indeed, and given the whiteblock 5pot has been known to crack its liners at high cylinder pressures I'm a tad sceptical about it being a 'duel fuel' design. Maybe the block casting was a shared product, butthe liners in petrol versions don't seem to be.

thought the diesels were the MANN unit ? never been under the bonnet to really look at one .

the diesel and petrol variants from 400 series do share internals , and diesels have stronger rods . To what use they would be in an uprated turbo unit running high boost ive no idea (length for one)

A french friend of mine who worked at meccachrome built a few renault 16vs with diesel rods .

shimon340 wrote:Pete, you have a 1.9 TD 340??

Well it's a 2.0 TD Nissan engine in a 360! Something different!

Pete

Carl wrote: But we've already had comments from my new neighbours about the 4 cars we have at the mo

haha top man ,

just moved in and already pissing off the neighbours , I actually got reported to the housing association by mine for having one of my american trailer tents opened up on my driveway.
( well I suppose it was up for a couple of months )

you should have seen the housing officers face when I told her to
"go away" ,

She hadn't checked her records, because if she had she would have known we had bought the rest of the shares in our house and they couldent do anything about the trailer tent.

anarchy rules

@Wouter, I thought the B18's were the same block, just different heads? Isn't that why I have a 480 on my drive, and am blissfully happy that I can put the B172 sump etc on it?

If it was just improvements, what did they need to do?

B18 and B172 are pretty similar I thought almost the same


B18 fuel injected and B18 carb are the same and thats pretty much the B172 but turned for transverse mounting. how does the B172 differ then and how is the B18 improved wouter? interesting to know

nissan 2.0 TD - what car that come from? current nissans are 1.5 ( renault engine ) or 2.2 and 2.5

white blocks

D5 and Penta - foggy you're almost right - the penta engine is derived from the D5 not vice versa but yes, pretty much same engine except the penta D3 is higer tuned ( as in all cases of penta engines based on volvo ones eg did you know the inline 6 from the 164 also became a penta engine? Volvo is just completing - or they prob finished it now as they started rebuilding it during 2005 ) a penta inline six from the 164. Its now in the museum in Arendal. Penta engines have higher outputs as they cover less "distance" and are used less. so the logic goes, 20 years of boat use is less than a car doing 300,000 miles - especially for 'pleasure craft' as volvo penta calls them - ie weekend boats

Petrol / diesel inline 5s. Yes indeed the N series was designed to be a diesel from the start. The petrol blocks can cope with diesel stresses. Very early ones cracked liners when boost is too high due to tuning. not heard of standard ones doing it



all the best

Shimon

rupert, re reading your post I see what you mean about the block and liners. The liners are cast in so i'll need to look again into the info the engines were petrol diesel from the start. The block for petrols can cope with diesel stress but its not clear at the mo if they intended to change the liners for the diesel version.

need to look into the exact casting process for the block to see when they cast the liners in. if anyone is interested I could do some digging.....

Chris-C yep, I thought the blocks of the B172 and B18 were the same. I know someone who put the 480 fuel injected head on a B172 block. The B18 1.8 and the 2.0 version share blocks and heads from memory - its the stroke thats different.

Well I don't know for sure, but I have it on good authority that in each of the cases you've mentioned they were Penta engines first, and borrowed by the car division later. It stands to reason, as Volvo cars have never had much budget for engine development - hence the extensive use of bought-in engines and rare development - only one fundamental redesign in about 45 years!

The D3-160 is literally the same as an original D5 (the 163bhp version), while the D3-190 is a higher tuned version.

There were marinised versions of the OHV engines (both 4 and 6 cyl), SOHC redblocks, and the DOHC redblock. There was also, of course, the much talked about 2.5 stroker version of the B230 available in both SOHC and DOHC form. The DOHC model was almost certainly a car to boat transplant, since this head was developed with Porsche to help improve the (relatively) poor efficiency of the 8v head.

cheers

James