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Author Looking to start building a 1600 for my car
Rob-e91
Member

Registered: 11th May 09
Location: South Wales
User status: Offline
14th Jun 10 at 16:25   View User's Profile U2U Member Reply With Quote

But not 100% sure wich is the best combination, so just looking for a bit of advice,

Sbd say the c16xe head is good but z16xe head has the best ports, and the x16xel bottom end is the best to use. but i've read that the z16xe head doesnt fit the x16xel bottom end, Is this true?

lostboy
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Registered: 29th Jan 09
Location: Durham
User status: Offline
14th Jun 10 at 16:30   View User's Profile U2U Member Reply With Quote

C16XE block with the X16XEL head is the best combo, also found on SBD's website


quote:

1.6L Cylinder Heads

We recommend the either the head from the early GSI (see picture right), this has the larger oval port size with a slight raised arch in the middle or the later triangular ported head (see pictures above). The 1600cc cylinder heads with the triangular ports are found on the X16XEL engine from the Astra/Zafira from 1998 to now. In tests we've found this to be as good if not slightly better, any other heads are not as good even after being ported due internal shape.

http://sbdev.co.uk/Head_Components/Head_Mods/1_6L_Vauxhall%20Heads_Mods.htm



Rob-e91
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Registered: 11th May 09
Location: South Wales
User status: Offline
14th Jun 10 at 16:39   View User's Profile U2U Member Reply With Quote

cheers mate, if i were to combine a head off a corsa and a bottom end off an astra, what ecu and loom would i use?
lostboy
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Registered: 29th Jan 09
Location: Durham
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14th Jun 10 at 16:44   View User's Profile U2U Member Reply With Quote

Wouldn't really matter, I'm using an X16XEL engine with C16XE loom/ecu.
Rob-e91
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Registered: 11th May 09
Location: South Wales
User status: Offline
14th Jun 10 at 16:48   View User's Profile U2U Member Reply With Quote

so is there any point using the c16 head on the astra engine, or just use the whole astra engine?
lostboy
Banned

Registered: 29th Jan 09
Location: Durham
User status: Offline
14th Jun 10 at 16:58   View User's Profile U2U Member Reply With Quote

Depends what you want really, as said in SBD's website the best head is the X16XEL (plonked on the C16 block) even after p&p due to internal shape, but it wont really make much of a difference especially that you would notice to a C16XE head or what ever head you want to use.

Also it depends what power you're going for, if you're going to leave it standard, or just some cams and a remap I would use the C16 as it has more power to start with, if you're doing what I'm doing and not leaving anything standard then go for the better combo (C16 block X16XEL head) as it would probably compliment it better (cant really argue with SBD's facts) and may squeeze an extra couple of bhp out of the engine if you're doing a full rebuild.

Like I say though, if you're just after power straight out the box c16xe with cams/map/inlet/exhaust mods, if you're chasing serious power from a small block the C16/X16XEL combo may be a better choice, but trust me when I say its fucking expensive, I've spent 2000 and all I've got is an engine, high compression pistons, conrods, inlet manifold and some odds and sods to freshen up the engine.

[Edited on 14-06-2010 by lostboy]

[Edited on 14-06-2010 by lostboy]
Rob-e91
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Registered: 11th May 09
Location: South Wales
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14th Jun 10 at 17:05   View User's Profile U2U Member Reply With Quote

thanks for the info m8, 2grand, i wont be going down the piston route ect just yet so think i'll go for a full c16 set up as i can still use my dbilas inlet and exhaust manifold on it and i'll get some fast road cams a remap and set up then.
Rob-e91
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Registered: 11th May 09
Location: South Wales
User status: Offline
14th Jun 10 at 17:05   View User's Profile U2U Member Reply With Quote

just got to find one now

 
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