Tilo
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| posted on 17/11/10 at 12:04 PM |
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Fuel pump for OHC Pinto 1600cc
Hi,
I'm building a locost using a 1600cc OHC Pinto engine and I'm now looking for a fuel pump but I don't know much about that...
I've seen a few on eBay but which one to choose? Electric? Fuel flow rate? Obviously i'll be squeeze every bhp the engine as to give
so...
I'd appreciate some guidance!
Thanks
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britishtrident
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| posted on 17/11/10 at 12:44 PM |
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What carb(s) or injection are you using, with carbs you can use either low pressure electric or the standard mechanical pump. With injection you
need high pressure electric.
Loads of choice ---- if you want to keep things really simple I have brand new mechanical pump somewhere in the shed. If you choose an electric
pump it must be a low pressure type (under 3 psi) for Weber carbs.
For injection you will find some bargain priced new in-line hp pumps on ebay for less than £40.00
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DarrenW
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| posted on 17/11/10 at 01:12 PM |
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Std mechanical pump will be good for up to approx 150bhp motor on carbs. As BT says fuel injection will need bigger one (and a return line). if
fitting bike carbs or throttle bodies it makes sense to get the pump off the bike that originally supplied them if you want an electric type.
Many moons ago i tried a red top facet with a set of 38DGAS carbs - WAY to much pressure / flow. Tried a regulator but the pusling effect of the pump
was too strong for the reg to cope with - hence suggesting getting the pump designed for the application.
Dont forget the filters. One at the tank and one before carbs will be good idea. i got mine from Halfords. Throw away types. Went through the boxes to
find something of a decent size and not too expensive.
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Tilo
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| posted on 17/11/10 at 01:12 PM |
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I'll be using Weber carbs, probably Weber 40. No injection...
So, any electric pump will do?
I can't use the factory pump because it gets in the way of the steering column. My car is left hand side wheel.
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DarrenW
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| posted on 17/11/10 at 01:21 PM |
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i was running ZZR1100 carbs. I think they were similar ish sized to weber 45's. got a bike electric pump from 1000cc bike. That should do the
trick. AS BT says, if you buy a new one you probs dont need more than 3psi. Hopefully someone will be along soon to propose a good spec pump.
Dont forget to blank off the fuel pump hole in the block. The blanking plate from an injected pinto is, non surprisingly, made for the job.
While you are piping it up - also get good quality fuel hose. Too many reports about hoses perishing over time and fuel getting sprayed about. Inspect
regularly.
As an aside, something like megajolt will make the car run better. I was surprised at the improvement. Not so much performance, more smooth running
(not as critical if you have new dizzy etc though). Only raising this now as its good idea to fit the TPS while you are busy fitting the carbs.
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mcerd1
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| posted on 17/11/10 at 01:54 PM |
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if you get bike carbs (alot cheaper than new webbers for the same power  ) then you'll need a fuel pump from a carb'd bike - using a
generic pump (even with a regulator) can cause problems
the bike carbs work in a different way and the bike pumps are designed to work with them without the need for any regulators
lucky second hand bike pumps are quite cheap 
[Edited on 17/11/2010 by mcerd1]
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Tilo
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| posted on 17/11/10 at 04:44 PM |
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Ok, so bike carb's equals Weber's performance but a lot cheaper.
What should I look for? Any carb is suitable? What about the throttle link? Easy adaptable?
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snapper
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| posted on 17/11/10 at 05:42 PM |
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Throttle cable is dead easy to mod, use a bike fuel pump or facet with malpasi filter king fuel filter/regulator
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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snapper
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| posted on 17/11/10 at 05:51 PM |
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Just a point.... You say you will squeeze every bhp out of the 1.6 so why not put in a 2.0L straight away and gain 30bhp for nothing, then every mod
you do, which will be the same as you would do on the smaller engine, will gain 20% more for the same money.
I could get you 130bhp with cam, carbs and a gasket the 1.6 would make the same as a base 2.0L
Worth a thought.
By the way add your location to your details
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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ashg
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| posted on 17/11/10 at 06:16 PM |
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good luck getting 130bhp out of a 1600 pinto. mine has a nice cam bike carbs and megajolt and the best i could get without spending big money was
90bhp which only just keeps up with hot hatches.
scrap the pinto and fit an 1800 zetec from an escort more power and double the economy
Anything With Tits or Wheels Will cost you MONEY!!
Haynes Roadster (Finished)
Exocet (Finished & Sold)
New Project (Started)
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Tilo
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| posted on 17/11/10 at 06:18 PM |
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Yes, I understand but I must work with what I have and what I have is a 1600cc.
Could you refer some examples or models with carbs that will fit on my engine?
Location added...
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ashg
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| posted on 17/11/10 at 07:08 PM |
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i have got a set of zx6r carbs with manifold to fit a 1.6 pinto. i also have a megajolt ignition system. It has all been rolling road tuned to work
on a 1600 pinto.
if you want it i can include the following
carbs
inlet manifold
edis4
trigger wheel and modified crank pulley.
vr sensor and bracket
coil pack
ht leads
megajolt
throttle position sensor
wiring loom to connect it all together.
i also have the ckc article to prove that the carbs and megajolt were professionally setup for my old 1600 engine by ATSPEED racing on their rolling
road.
basically its everything you need to get your pinto engine up and running on bike carbs and electronic ignition
i will take £250 for the lot which is half of what it cost me with the professional rolling road setup of the carbs etc.
Anything With Tits or Wheels Will cost you MONEY!!
Haynes Roadster (Finished)
Exocet (Finished & Sold)
New Project (Started)
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mcerd1
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| posted on 17/11/10 at 09:20 PM |
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this will tell you whats involved in fitting bike carbs http://www.totalvauxhall.co.uk/files/legacy/TOV64.tech60697.pdf
I think R6 or ZX6R carbs would be about right for a 1600 (someone correct me if I'm wrong) the bogg bros manifolds are very nice, but not very
locost - a DIY steel one would be alot cheaper, there are a few folk that can sort you out with laser/waterjet cut flanges
the megajolt is optional but cheaper than an aftermarket tunned dizzy
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Tilo
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| posted on 17/11/10 at 10:08 PM |
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Ok, during my research for this matter I received several opinions.
One of them was to install a fuel injection system which is much easier to tune than the carbs. Is it true? I know there's a fuel injection
version of this engine, but mine isn't.
Another idea was the installation of ITB's...
Of course my objective is to achieve the best performance possible from this engine.
So, what do you have to say about this?
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Tilo
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| posted on 17/11/10 at 10:54 PM |
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I've been reading a lot and watching some videos I'm leaning to fuel injection system with independent throttle bodies/injectors... There
are no downsides. From what I could understand is better in every way than carburetors.
But what about the conversion? What parts do I need? What details not to neglect?
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mcerd1
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| posted on 17/11/10 at 10:56 PM |
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the fact that your engine is a carb'd one just now has nothing to do with EFI - the stock stuff isn't really tunable at all (I think there
are a couple of chips avalible for the 2.0 but thats it)
ITB's will probably give you the best performance but will cost a fair bit more than the bike carbs - how much more depends on which ECU and
TB's you get.... (bike TB's or Jenvey's - and as for ECU's - megasquirt, omex, emerald and many many more)
at the end of the day £250 for a full carb + MJ setup is an offer thats hard to beat
with all pinto's the power is in porting the head and the choice of cam - the EFI heads are a little better to start with, but its far from
perfect
after that a 2.0 bored out to 2.1 (normaly a 205 block) will give you a bit more then I
[Edited on 17/11/2010 by mcerd1]
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Tilo
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| posted on 17/11/10 at 11:03 PM |
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Can I find good used TB's? What should I look for?
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Tilo
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| posted on 17/11/10 at 11:34 PM |
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I'm looking at a suzuki gsxr 750 TB's all included (injectors, wiring, sensors...)
Are this suitable for my engine?
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mcerd1
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| posted on 18/11/10 at 09:35 AM |
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it might be worth doing a quick search through the old posts - there are plenty of threads about choosing and fitting TB's
the down side of EFI is how complex it is and how much work you need to do to set it up right - the carbs are alot easier
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Tilo
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| posted on 18/11/10 at 01:37 PM |
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That's the thing!
Some say carburetors are too difficult to set and deregulate very easily. Unlike EFI which set's up almost for it self, they say...
If I can get a complete EFI system from a bike, for instance, a suzuki gsxr (TB's, injectors, throttle sensor, fuel pump, etc...) wouldn't
it be relatively easy to install (brackets, hoses and pipes)? And with a megajolt unit or equivalent would it make things a little simpler?
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mcerd1
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| posted on 19/11/10 at 12:52 AM |
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probably best to start a new thread about EFI - I went for carbs for mine so I don't have all the answers....
don't worry too much about the pipes and fittings - there are ways round all that, you can easy get different injectors, fuel rails etc.....
the manifold will be a custom one very similar to one for bike carbs
the main thing is the ECU - it has to be one you can re-program to suit (with a laptop normaly)
that means getting an aftermarket ECU, which normally costs a fair bit more than a carb'd setup - but if you get the right one you'd never
need to change it again what ever tunning you do in the future...
btw - megajolt does the sparks only - you'd be looking for megasquirt, omex or similar for EFI
[Edited on 19/11/2010 by mcerd1]
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Tilo
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| posted on 23/11/10 at 07:35 PM |
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Well folks,
After many hours of reading and advising, i took the decision of going for EFI.
I'm beting on a suzuki gsxr throttle bodies. As soon as I can grab one of those for a good price...
Just wanted to know what other parts will I need.
What kind of fuel pump should i look for? Is there any compatible pump that wont need the return line to tank? I read something about it... What about
the tank swirl to prevent fuel starvation on cornering?
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Stuart_B
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| posted on 23/11/10 at 07:53 PM |
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hi,
the fuel pump will have to be a high pressure pump, and high pressure filter, then a return line to the tank as well will be need, or to the swirl
pot, which will be need as well, as the way i look at it, you might as well only do now, will you have the car in bits. , so that means a low
pressure pump, from the tank to the swirl pot as well.
as for type facet fuel pumps are good
stuart
black mk indy, 1.6pinto on cbr600 bike carb's.
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Tilo
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| posted on 23/11/10 at 08:13 PM |
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Sorry, didn't get that.
First you say high pressure pump and then low pressure pump... I can see you have fitted cbr600 tb's on your Pinto. Can you post the link for
your building so I can check it?
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mcerd1
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| posted on 23/11/10 at 10:05 PM |
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quote:
Originally posted by Tilo
Sorry, didn't get that.
First you say high pressure pump and then low pressure pump...
low pressure for carbs
hight pressure for injection
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