Dave @ pumaracing did the cylinder head on my ZVH, it makes 260bhp on
10psi boost so i'd certainly agree with him knowing his CVH's.
Jim
On 13/06/2011 21:16, Robert Craig wrote:
Have a look at this site - its very informative.
http://www.pumaracing.co.uk/CVH.htm
Bob Craig (Q2-267)
----- Original Message ----- From: "Robert Craig"
<[email protected]>
To: <[email protected]>
Sent: Monday, June 13, 2011 8:30 PM
Subject: Re: [Quantum Owners] Hemi Heads
Hi Dave,
I ran a Hemi head on my XR2 engine and now have a Mk3
escort
engine with the same head ( this engine had a lean burn on it when I
bought
it)- both with no problems. I have a Kent CVH22 high lift cam and run
unleaded (I prefer super but it runs fine on 95). I have twin Weber DCNFs
but the DFT is the next best thing. Ford originally recomended filling
with
leaded fuel every 4th fill. my car was built in 96 and has covered over
30,000 miles running on unleaded and with the exception of grinding in
the
valves when I changed the engine (only because the head was off anyway),
there have been no concerns.
hope this helps.
Bob Craig (Q2-267)
----- Original Message ----- From: "Dave the Subbie"
<[email protected]>
To: "Quantum Owners Group" <[email protected]>
Sent: Monday, June 13, 2011 7:43 PM
Subject: [Quantum Owners] Hemi Heads
Hi All,
I wondered if anyone could give me some advice.
I've come across some "go-faster" bits (fast road cam, 32/34 DFT
Weber, K&N and 2" Ashley exhaust) for my 2+2, and they include a
'hemi' head from one of the early 1600 CVH engines.
I'm wondering whether to fit it to my late cvh, but I'm not sure on a
couple of points, which is where I need some advice:
1) Will it fit straight onto the later engine, in place of the "lean
burn" head?
2) Will the compression ratio be OK with the later block and pistons?
3) Will it still run on 95 RON unleaded petrol?
The Burtons website recommends the earlier head, and it makes sense to
add it whilst I'm messing about, but I don't really want to get
involved with rebuilding the bottom end if I don't need to, and I
don't really want the hassle of lead replacement supplements and high-
octane petrol.
I know it's a fairly common mod and so I wondered if anyone could help
me out with some answers to my questions.
Thanks,
Dave
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