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Author X14XE inlet manifold questions
Sam
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Registered: 24th Dec 99
Location: West Midlands
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26th Jun 05 at 12:53   View User's Profile U2U Member Reply With Quote
My mk3 Astra has the X14XE engine. The inlet manifold is different to the one that's used on the same engine in a Corsa B (throttle body is at the top as opposed to down the side).

I'm assuming that as the actual engines are the same, it would be pretty much a straight swap?

Also, can anyone tell me if I would need to change the ECU as well, or if I can still use my existing one?

One final question, as the car has an auto box, and the auto ECU reads from the main ECU, I wouldn't need to change that as well?

Thanks.
Dave A
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Registered: 10th Dec 03
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26th Jun 05 at 14:07   View User's Profile U2U Member Reply With Quote
the only real differences are in the inlet manifolds. you will be able to do a straight swop, and use your existing ecu. although the map on the x16xe ecu is slightly different, but it will run the car no probs.

The "L" in X14XEL stands for low output/hi torque. The inlet manifolds on the xel have a longer tract lenght and promote more torque at the expense of a few bhp

There are no difference between the x14xe and x14xel heads. The blocks are also the same.

although, that last comment may be false, i have never found a difference, but vauxhall list them as different part numbers. was once told the valves were different. will still run fine whatever combination of inlet/head/block/ecu you use though.




[Edited on 26-06-2005 by corsa808]
Sam
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27th Jun 05 at 19:40   View User's Profile U2U Member Reply With Quote
So to do the conversion, would I need anything else apart from the following:

- cam cover
- inlet manifold (lower and upper)
- throttle body
- fuel injection rail
- EGR valve

My engine is definately an X14XE - there is no such thing as an X14XEL, only an X16XEL.

This is what the X14XE in a mk3 Astra looks like (ignore the red circle):



[Edited on 27-06-2005 by Sam]
Cybermonkey
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27th Jun 05 at 23:25   View User's Profile U2U Member Reply With Quote
Sam, there IS a difference between the Astra and Corsa 1.4 16v engines, and its as Corsa808 stated, so you might find that the engine code is indeed different.
Cybermonkey
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27th Jun 05 at 23:26   View User's Profile U2U Member Reply With Quote
the X14XE has 90bhp, whilst the X14XEL has 88bhp, but better low-down torque.
Sam
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28th Jun 05 at 23:42   View User's Profile U2U Member Reply With Quote
There is no such engine as the X14XEL! Here is the engine code list for the mk3 Astra from EPC, FFS!

Sam
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28th Jun 05 at 23:44   View User's Profile U2U Member Reply With Quote
As you can see, the only XEL engines are the X16XEL, and the C18XEL.

So
Cybermonkey
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28th Jun 05 at 23:55   View User's Profile U2U Member Reply With Quote
Actually Sam, do a google search on X14XEL and take a look
Sam
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28th Jun 05 at 23:58   View User's Profile U2U Member Reply With Quote
Why does this fabled engine code not show up on EPC then?

Trust me mate, there's no such thing as an X14XEL.
Cybermonkey
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29th Jun 05 at 00:49   View User's Profile U2U Member Reply With Quote
there is Sam, and its in your engine bay.
Sam
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29th Jun 05 at 07:44   View User's Profile U2U Member Reply With Quote
So you are saying that myself, Vauxhall, and the engine in my car which is stamped X14XE on the head are lying then, and you are correct?

LMAO!
Cybermonkey
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29th Jun 05 at 07:56   View User's Profile U2U Member Reply With Quote
the block itself is an X14XE, but the longer inlet tract is responsible for it being an X14XEL. You are incorrect, Vauxhall are correct, since the engine is agknowledged as an XEL.
Sam
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29th Jun 05 at 11:16   View User's Profile U2U Member Reply With Quote
The engine doesn't have inlet 'tracts' like on the Astra X16XEL or X14XE/X16XE engines in a Corsa, as you can see from my engine bay pic above, the throttle body is mounted on a sort of chamber, there are no tracts...
Ojc
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29th Jun 05 at 16:03   View User's Profile U2U Member Reply With Quote
Err what the hell is that engine you have there Sam?

Never seen that before

Mantzel I don't think will fit that to be honest mate, looks totally different to the XEL series engines I have seen which look identical to the 16XE engines other than the inlet manifold has a bent shoulder.
Sam
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29th Jun 05 at 19:42   View User's Profile U2U Member Reply With Quote
All 1.4 16v mk3 Astras look like this.

It's the X14XE engine but with a different inlet manifold for some reason. On every bit of documentation I've got for the car (mostly Vauxhall) it states the engine as X14XE too.

If someone can tell me where on the block it would have the engine code stamped, I will take pictures to prove this!
Rob H
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Registered: 28th Oct 00
Location: Staffordshire Drives: Astra SRi
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29th Jun 05 at 20:12   View User's Profile U2U Member Reply With Quote
Winner . Ive always wondered where the design for my inlet manifold came from, and why it had changed so much from the Corsa B's design, looks like ive found its origin.



I recon the heads are the same, but you'll need the lower inlet manifold of a corsa X14/X16XE .
Sam
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29th Jun 05 at 20:19   View User's Profile U2U Member Reply With Quote
Do you have any pics of your engine minus engine cover/throttle body trunking?

Yeah Greasemonkey put an engine like mine in a Corsa for his mate but he used the inlet manifold etc. from the old knackered Corsa engine and put it on the new Astra one, he said the heads were the same.
Sam
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6th Jul 05 at 22:43   View User's Profile U2U Member Reply With Quote
TTT
Dave A
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7th Jul 05 at 08:32   View User's Profile U2U Member Reply With Quote
hmmm this one is interesting

so what are you wanting to do exactly?
Sam
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8th Jul 05 at 18:11   View User's Profile U2U Member Reply With Quote
I want to swap manifolds...
Dave A
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8th Jul 05 at 21:17   View User's Profile U2U Member Reply With Quote
why?
Cybermonkey
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9th Jul 05 at 10:05   View User's Profile U2U Member Reply With Quote
Because Sam thinks the manifold from a Corsa XE is better than that XEL he has at the moment
Sam
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9th Jul 05 at 20:40   View User's Profile U2U Member Reply With Quote
Oh FFS David I'm gonna take this imaginary engine you speak of and insert it in your anus!
Dave A
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9th Jul 05 at 22:23   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Sam
Oh FFS David I'm gonna take this imaginary engine you speak of and insert it in your anus!


who you talking to
Sam
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9th Jul 05 at 22:30   View User's Profile U2U Member Reply With Quote
Cybermonkey24

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