Will a 1.8 GX K-Jet Head fit on a 2.0 2E motor?

[Peter Jones]

Will a 1.8 GX K-Jet Head fit on a 2.0 2E motor?

The GX is frustrating me at the moment.

Will the 2.0l 2E bottom end I've got sitting here just bolt up under the kjet head?

Pete

[h100vw]

I have done a 2E swap under the head of a Kjet DX motor. So I can't see why yours would be any different.

Just be prepared that the engine wouldn't rev as well as a 2 litre. The 1800 was much nicer to drive TBH.

Fuelling was a problem with the 2E, to get enough fuel at the top end to make decent power, you had to have it well rich everywhere else. This made it great to thrash at WOT but not very economical the rest of the time.

Kjet isn't that flexible when it comes to upping fuelling, you can raise system pressure but the shape of the cone in the metering head dictates the mixture really.

It would be really torquey though, especially if you had a mild cam in it and were willing to sacrifice top end for reasonable economy in the midrange.

Gavin

[Peter Jones]

Thanks for the reply.

The Gx I'm running has no torque at all (slight exageration.)
Fueling shouldn't be an issue, I'm running the fuel distributor out of a 2.4l Volvo.

WOT is exacly what I want it for.

Cam is a techtonics 109 071 - 268° with 109 081 hd springs.

I thinking about just re-gasketing a 2e bottom end I've got here and slamming it in . I'm well tired of the GX motor.


Pete

[h100vw]

I forgot to mention, you need to consider the dissy too. Either(preferable) swap the cog off the 2 litre dissy onto the mk1 dissy and then have a spacer made to fill in the gap or (less desirable) go electronic ign using the 2 litre dissy.

I did have a drawing for the spacer once upon a time. But you'll see when you compare the 2 together what I mean.

Gavin

[Golf Loon]

Yeah the head will fit Pete. If your head is good and you can get more fuel in there, do it.

I`d use the 2E metal gasket and new 1.8 headbolts.

[Peter Jones]

Yeah the head will fit Pete. If your head is good and you can get more fuel in there, do it.

I`d use the 2E metal gasket and new 1.8 headbolts.

Cheers Matt,
The head's been recently rebuilt after I bent it at Phillip Island so I know it's good.

Pete

[Peter Jones]

Slowly understanding this now.

Dizzy spacer will be required. I think I'll make one out of the 2E distributor. I don't need - it'll be useless without it's gear anyway.

Looks like I also need a block off plate for the breather box. Shouldn't be too hard to fab one up, this also mounts up the WUR.

The timing belt has me a little thrown at the moment. The 2.0 one is a couple of teeth longer than the 1.8. So if I put the 1.8 head on which belt will suit? Some people mention using the 1.8 crank pulley?

I'd like to try and get a serpentine belt setup working on this motor, think I've got that all figured out, except for what length belt it finally going to take.

2E motors seem cheap and bountiful, I'm only considering this as a stop gap until next year when I'd like to scratch build something.

I have a $50 Japanese 2E sitting here so I figure I'll I'll strip it to the short block, replace all the gaskets and bolt it up under the 1.8 GX K-Jet head for now. couldn't possibly be any worse than the GX is now!

Pete

[GoLfMan]

go for it Pete and i look forward to seeing how it all goes should be an interesting build!

[h100vw]

Slowly understanding this now.

Dizzy spacer will be required. I think I'll make one out of the 2E distributor. I don't need - it'll be useless without it's gear anyway.

Looks like I also need a block off plate for the breather box. Shouldn't be too hard to fab one up, this also mounts up the WUR.

The timing belt has me a little thrown at the moment. The 2.0 one is a couple of teeth longer than the 1.8. So if I put the 1.8 head on which belt will suit? Some people mention using the 1.8 crank pulley?

I'd like to try and get a serpentine belt setup working on this motor, think I've got that all figured out, except for what length belt it finally going to take.

2E motors seem cheap and bountiful, I'm only considering this as a stop gap until next year when I'd like to scratch build something.

I have a $50 Japanese 2E sitting here so I figure I'll I'll strip it to the short block, replace all the gaskets and bolt it up under the 1.8 GX K-Jet head for now. couldn't possibly be any worse than the GX is now!

Pete

2 litre belt I think.

Gavin

[Peter Jones]

2 litre belt I think.

Gavin

Cheers,

I'm going to place a GAP order soon for the bits and pieces, I'll add a 2.0 timing belt to the shopping list. I'll also grab a spare 1.8 for the other car, so I'll be covered either way.


Pete