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Which head/cam? 

 

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 Post subject: Which head/cam?
Posted: Thu Oct 16, 2014 11:33 am 
Oompa Loompa
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Age: 31

Posts: 49

Joined: 1st Apr 2011

Gallery: 8 images

Ride: Eb II XR6

Location: kalgoorlie
WA, Australia

I put a turbo on my eb this year and when i gave it a good flogging the head gasket blew. Not really a surprise more of an inconvenience. Now I've got a few options with this as I currently have a tickford head on the eb and I also have a spare stock el motor (also with a blown head gasket).

Option 1: Skim the tickford head and re-assemble as is
Option 2: Skim the el head and re-assemble as is
Option 3: Skim the tickford head and re-assemble with the el cam.

Either way ill be using the AU MLS-R head gasket, new head bolts, timing chain and guides and vernier cam gear.
As I understand it the tickford head has a higher compression than the standard one (bad for turbo) but larger valves (good for turbo). So I am leaning towards using it. That said which of the two cams would be better for a turbo?
Is there anything else that I should look at doing while I have the head off?

Cheers

 

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EBII SXR6 White, manual, el dash and door trims, ba xr front seats, serpentine belt, electric fans and a turbo
http://www.fordmods.com/the-garage-f53/just-another-white-eb-t114629.html

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 Post subject: Re: Which head/cam?
Posted: Thu Oct 16, 2014 1:04 pm 
Getting Side Ways
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Age: 54

Posts: 844

Joined: 12th Aug 2007

Gallery: 22 images

Ride: AU2 XR8 ute & 91 EA bitsa

Location: Melbourne
VIC, Australia

IMO you may as well use the EL block & cam with the Tickford head.

The EF & EL crankshafts had additional counterweights to let them rev a bit higher. With the Tickford head's higher compression ratio, you could put a second MLS gasket to lower the compression.

 

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AU2 XR8 with Raptor VL, ported Yella Terra GT40P heads, Scorpion 1.6 RRs, XE264HR-14 Comp Cam, ceramic coated Hurricane Headers, 60lb injectors, Walbro 255, 200cfi cats, 3" exhaust & Snow Performance water methanol injection

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