Barksavon
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| posted on 15/3/10 at 01:12 PM |
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Vernier Pulleys
I,m taking my 2.0l Pinto powered kit car to be set up on a rolling road in about 6 weeks. It will be fitted with twin Dellorto DHLA 40's. The
rest is standard although recently rebored to +0.5mm with new pistons etc etc. I'm thinking about fitting a vernier pulley to allow for fine
tuning of the cam timing but not sure whether its worthwhile with a standard camshaft. Anyone any views, any tips also for the best BHP gains without
going too mad, its a road car that might get the odd track day if it behaves
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RichardK
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| posted on 15/3/10 at 05:55 PM |
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My vote goes for fast road cam and vernier, have you thought about converting to bike carbs?
Cheers
Rich
Gallery updated 11/01/2011
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Barksavon
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| posted on 15/3/10 at 10:09 PM |
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Rich, Yes ive thought about bike carbs but as ive got the dellorto's and manifold think i'm gonna stick with them ....for this year
anyway....
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richard
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| posted on 15/3/10 at 10:52 PM |
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with a fast road cam, injection head and twin 40 s on our otherwise standard 2 litre pinto we got only 110 bhp when had a quick power run at Detling
last year, that i was a bit disapointed with.
Might been able to get more if i put it in for a major tune.
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mcerd1
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| posted on 16/3/10 at 09:23 AM |
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quote: Originally posted by richard
we got only 110 bhp when had a quick power run at Detling last year
had you had it setup on the rollers before ?
which cam have you got ?
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richard
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| posted on 16/3/10 at 10:26 PM |
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we had the engine set up at a at a place recommended to us after fitting the cam, vernier pulley, head and carbs.do not think they used a rolling
road
Was quite happy with the performance and to be honest expected it to be more than 110 bhp. Might be worth seeing what else can be extracted from
it.
Did first track day day last week and had hopped for quicker acceleration so may look to play around with it in a while.
Bike carbs would be obvoius or maybe Zetec.
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mcerd1
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| posted on 17/3/10 at 08:37 AM |
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quote: Originally posted by richard
Bike carbs would be obvoius or maybe Zetec.
the zetec (or duratec) will probably give you the best results for your cash
but if you want to get any more out the pinto you should look at getting a lumpy(er) cam and some head work done (even if you don't go as far as
big valves)
the EFI head is better than the old carb'd one as standard but there is still alot of room for improvement
changing to bike carbs is unlikley to give you anymore top end power on there own
also what ignition are you using ?
have you though about a distributorless setup (like megajolt) - you could fit it now and keep it when/if you swap to a more modern engine like a zetec
(you'll need to get somethink like this if you want to run carb's on a zetec as they don't have dizzy's)
[Edited on 17/3/10 by mcerd1]
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