ke to ng conversion

[Huw Powell]

alan pritchard wrote:
> 
> i finally found a suitable car in the scrapyards, a '92 coupe, 2.3 e, it has
> the ng engine, only thing is they want £95 for the head assembly, which i
> thought was a bit steep, so im tempted to buy the whole engine, so here goes
> my questions
> ng and nf heads are the big valve variety?

yes

> can i bolt my manifolds upto this block?

exhaust, yes (but you should use a 4kq (84-87 90Q) EM/DP or the one that
comes with the NG)
intake, no.  the NG has the injectors in the 2 piece IM, the injector
lines will also be different.

> can i run mechanical cis on this block and whats involved, if anything?

being careful about knocking due to high compression (10:1).

> whats the power differences, bhp and torque, between the 2144 ke engine, and
> the 2309 ng engine?

2.3 = 130 hp @ 5700, 140 ft lbs @ 4500
2.1 = 100 hp @ 5100, 112 ft lbs @ 3000

source: audiworld.com spec pages, these are for US cars though.  figures
might be higher depending on emissions setup.

> this has piston oil squirters, what benefits do they offer?

cools pistons with oil when the going gets tough.  Engine becomes quasi
oil cooled.

> is it really worth going for the whole engine, or is the head suitable on
> its own?

if you get the engine, get the injector lines, intake manifold parts,
intake boot, what the heck, get the engine management harness and
computer too...

you are better off with an NF head (NG/NF blocks are the same though)
because it will fit all your existing parts.  It also will not have the
fitting for the brake vacuum pump.  I believe the head alone is  nice
upgrade, due to valving, cam etc.  I do not know what the compression
will be with a NF/NG head and KE block though.

-- 
Huw Powell

http://www.humanspeakers.com/audi/

http://www.humanthoughts.org/