That is one hardcore engine and it would easily make 300+ HP.

And whats up with half the people on the website being from south Aust is it an Aus website ?

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Might as well be!

I think that explains why the forum can run smoothly without moderators or administrators.

Sorry , I'm talking about the ford website.

I was reffering to the comp ratio getting up to low comp diesel territory. We dont have the luxury of having fuels that allow these comps to be used.

The Esslinger engine has a sepcific power output of 134 hp /litre compared to the BTCC primera's 162 hp/litre.

Still very nice engines though (for a 2.48 litre).

The esslinger engine is a specialty sandcast block that is not production or pinto at all.
So if thats allowed in your class then a ka24e headed L series shouldnt be a problem.
The Esslinger is perhaps only claimed at producing those numbers (dyno sheets are where?) and with that compression what fuel is it using and whos dyno did it get those numbers? an "esslinger" sponsored one?.
Funny how companies quote certain numbers (eg certain rotary workshops) and other private poor racers with far from superior driving and underpowered overweight machinery embarrassed their big hp engined lightweight racecars. However they did great business and customers adorned their stickers on their machines and they where no faster just poorer but happy they could adorn the prestigious stickers.
In the uk in the NA 2 liter class, 300hp from sr20 engines is common and they started as nissan factory items you could buy still today from your wrecker.
If you cant use ka24 head on a big bore smaller stroke L series engine to get a stonking 2ltr then whats been mentioned should be a good start.

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Well, Nissan4Eva, did you ever do anything with this or were you just fishing?

BTW, the Z22 blocks are crackmeisters.

still trying but getting the simple rebuilt kit here for the 20b seems impossible......so i will get the rebuild kit along with other parts brought in from Australia when my sis returns for christmas.

for now i'm enjoyin the power of a A12 on 40mm Su's

have sourced anout 3 Ka24 though. One i can get for free, it out of a pathfinder the guy i going to use a diesel engine instead.

anyone has a nissan parts manual/catalouge with part numbers?? try to find out if any other main bearings can fit the 20b.

edit..... actually i got somewhere i got my W53 head shaved 2mm to raise compression, n only last week i found out my friend has to A87 heads lying around

well today i made a major step i found a Z24 at another friends house that i will be using.

Q
why do ppl put the Z24 crank in the L20b block, why just not use the L series head on the Z24 block??

Is the Z24 crank a direct fit into the L20b block???