redeye
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| posted on 9/11/10 at 12:31 PM |
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Twin spark Pinto head
Im looking to possibly upgrade my standard 2.0 pinto over the coming winter and found this head on Ebay
The seller has added info that it is a twin spark head......This is new to me
Anyone know if it would be better than the standard pinto head
Ford Pinto 2.1 Hydraulic Cylinder Head on eBay (end time 10-Nov-10 11:23:00 GMT)
cheers
Patrick
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James
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| posted on 9/11/10 at 12:41 PM |
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Are the little 'towers' that would go under the cam cover the top of where the 2nd spark plug would go?
Not a Pinto expert by any means but have never heard of such a thing.
How would you control the 2nd set of plugs? When do they fire? Same time as the normal ones?
I've wondered about the twin spark Alfa system a few times and kind of dismissed it on the grounds that if it was that good then the other
mainstream manufacturers would use it!
Cheers,
James
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"The fight is won or lost far away from witnesses, behind the lines, in the gym and out there on the road, long before I dance under those lights."
- Muhammad Ali
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nick205
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| posted on 9/11/10 at 12:42 PM |
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Never seen one like that before!
It looks quite different to a "standard" Pinto head which only has 3 camshaft bearing towers and obviously 1 plug per cylinder. The
seller seems quite certain it won't fit on a 1.8/2.0 Pinto block too. Maybe it's from the larger capacity (2.3?) US Pinto? Maybe
it's for a particular race series?
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redeye
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| posted on 9/11/10 at 12:48 PM |
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2.3 pinto was my guess too although the seller is calling it a 2.1 head?
I did find this on wiki http://en.wikipedia.org/wiki/Ford_Pinto_engine
"A dual-spark version (with two spark plugs per cylinder and distributor-less ignition) was introduced in the 1989 Ford Ranger and 1991 Ford
Mustang. This version produced 78 kW (105 hp) and 183 N·m (135 ft·lbf)."
so the american pinto could well be the answer.
I would imagine the twin plugs would fire at the same time but Id have thought you would certainly need a different dist cap
Probably not worth the hassle IMHO
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paulf
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| posted on 9/11/10 at 12:53 PM |
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I assume it is an american spec version and to do with emissions, it also says it is a hydraulic head in the listing title so would think it has
hydraulic followers so not really any good for uprating the cam etc and probably also not easy to get spares for.
Paul
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marcjagman
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| posted on 9/11/10 at 01:01 PM |
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Over the last 15 years or so these heads have been highlighted and used/made by many car mags inc practical classics, max power etc and give an extra
0-10hp over a normal haead. Neads a fancy electronic ignition system to make it work.
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DaveFJ
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| posted on 9/11/10 at 01:11 PM |
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sorry... am i missing something...
where does the second spark plug go??? can't see it myself... or does he mean it's wasted spark? in which case thats irrelevant
anyway....
as for the hydralic part... where are the hydraulic followers? and why does it still have the normal cam follower turrets?
to me it looks like a bog standard head but from a american spec 2.3 pinto....
I'm probably wrong though - i can't even get a moped to start! 
[Edited on 9-11-10 by DaveFJ]
Dave
"In Support of Help the Heroes" - Always
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DaveFJ
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| posted on 9/11/10 at 01:14 PM |
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quote:
Originally posted by redeye
"A dual-spark version (with two spark plugs per cylinder and distributor-less ignition) was introduced in the 1989 Ford Ranger and 1991 Ford
Mustang. This version produced 78 kW (105 hp) and 183 N·m (135 ft·lbf)."
less than a bog standard 2.0l injection head then.... why bother?
Dave
"In Support of Help the Heroes" - Always
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Rod Ends
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| posted on 9/11/10 at 01:30 PM |
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I recall Dave Walker in CCC doing a home-made two-plug pinto cylinder head as an experiment.
Don't think it made much more power.
[Edited on 9/11/10 by Rod Ends]
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DRC INDY 7
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| posted on 9/11/10 at 01:33 PM |
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It's a 2.3 American pinto from the mustang twin spark head the other 4 spark plugs are on the inlet side it may also be the turbo version head
normal pinto cams will not fit
https://www.facebook.com/groups/462610273778799/
Puddle Dodgers Club
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loggyboy
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| posted on 9/11/10 at 01:39 PM |
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Same priciple behind the alfa twinsparks.
I recal seeing a magazine feature about redrilling pinto heads to add a spark plug (i guess the link is similar (cant view at work))
Il try and dig it out if anyone is interested.
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omega0684
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| posted on 9/11/10 at 02:08 PM |
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waste of time mate if you ask me. its yank and you'll struggle to find parts in the uk, stick with the uk head!
what sort of mods are you looking to do? uprated cam, brass inserts, HD springs, HD followers, aliminium vernier, porting, increasing valve sizes,
head decking?
what induction system are you running, downdraft carb, side draft carbs (twin 40's/45's), throttle bodies, bike carbs?
200 block or 205?
give us a bit more info 
I love Pinto's, even if i did get mine from P&O!
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snapper
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| posted on 9/11/10 at 03:21 PM |
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There are no interchangeable bits from the US Pinto apart from the followers that will fit the Euro spec Pinto.
The US Pinto while a similar design was a different size everywhere
I eat to survive
I drink to forget
I breath to pi55 my ex wife off (and now my ex partner)
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redeye
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| posted on 9/11/10 at 03:25 PM |
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I was interested to see if anyone had heard of this type of head before really.
Ive a 200 block running twin 40s. Id like to swap the engine out completely and put something like a zetec, duratec or redtop in but I dont think Ill
have the time or money this year as Im studying towards my part 3 for architecture, the funds for the course have already left a money shaped hole in
my pocket 
So I was thinking some minor pinto mods such as ported skimmed head and high lift cam, would prefer not to have to swap to 45 as thats just extra
cost. Ill hopefully do the engine swap later on anyway.
I Believe my current head has never been converted to Unleaded either as my engine is very smoke and stinks to high hell of burnt oil......nice
I think my block is a 200 although I seam to remember it has 20 on the side if this means anything.....will check tonight though
Would really jus like a bit of extra power as the cars been on the the road for 3 years now and was already a little underpowered to begin with.
Patrick
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Canada EH!
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| posted on 9/11/10 at 04:31 PM |
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2.3 North American Pinto, used in Ford Ranger Pickups, Maxda 2300 Pickups, and Mustangs, as well as 2.3 Turbo Thunderbirds.
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CNHSS1
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| posted on 9/11/10 at 05:16 PM |
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quote:
Originally posted by Rod Ends
I recall Dave Walker in CCC doing a home-made two-plug pinto cylinder head as an experiment.
Don't think it made much more power.
[Edited on 9/11/10 by Rod Ends]
yep, DW spent a number of issues converting and perfecting a twin spark head, and as you say the benefits didtnt justify the work.
"Racing is life, everything else, before or after, is just waiting"---Steve McQueen
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omega0684
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| posted on 9/11/10 at 06:02 PM |
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if you want your head converted to unleaded that you will need to have stainless exhaust valve seats cut a press fitted into the head.
with a standard 20 block your not going to see huge power increases with out some major work (rebore etc) it might be worth checking ebay for a
modified head that you could just bolt on?
I love Pinto's, even if i did get mine from P&O!
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jollygreengiant
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| posted on 9/11/10 at 07:29 PM |
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The most obvious option for it would be to drop it straight on a 2.0 pinto but with a turbo as the bigger combustion chamber in the head (relative to
a 2.0) would drop the compression to about right for a turbo. After that I see no point, unless you have a 2.3 pinto needing a head.
[Edited on 9/11/10 by jollygreengiant]
Beware of the Goldfish in the tulip mines. The ONLY defence against them is smoking peanut butter sandwiches.
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