yours was the last of the 1.7 line; the B172 was kicked out as soon as the 440 started to sell.

so; all 340 1.7 are the flimsy ones.


[edit]

@pettaw; OK at least you convinced me that the manifold is prone to warping as well. thats a good thing to note.

I know the volvo dealers in Holland had the option to fit a very special soft insulation flange, wich would form itself to any way the carb and/or manifold had been warping, and still seal off good.
This 'super-gasket' was very expensive, but not as expensive as getting a new carb.....

BTW I think one might be able to cure the manifold warping with the same method I described for carb base flattening.

Just how much better are the 440 carbs? If they're for a 1.7 why do the jets need changing?

The jets in the 440 ate a little bigger. I haven't changed mine

If they're for a 1.7 why do the jets need changing?


---> fuel economy. it _does_ make a difference.

The difference is more in the performance that in the fuel economy.

Because only tge second jet has a significant bigger size

That seems to be ideal then. Economy on a light foot and some better zing on heavy pedal! Any downsides?

its not original



(but who gives a **** ?? )

Minus 10 points.... (for those that don't follow the point's thing, it's a random from (I think) John_360 and a non standard battery at a BKV comp)

They'd have to look very very closely then!

indeed it was meant as a smart-ass way of saying that there are no downsides to it