approvedlunatic
|
| posted on 20/7/05 at 09:24 AM |
|
|
Pinto engine, 40's or 45's
Hi I havent even started building my kit yet but have just sent my engine away to be reconed. The question is do i use 40 or 45 carbs when i put it
back together, it will be running a fast road cam and flowed head in MK Indy or similar.
|
|
|
|
|
DarrenW
|
| posted on 20/7/05 at 09:33 AM |
|
|
iirc twin 40's are good for about 140 / 150bhp. Anything more and you will need twin 45's.
Im using 38dgas for up to 130bhp.
If you are aiming for 140ish with 2.0litre and stage 2 (?) head but fancy a rebuild to 2.1 in the future i guess i would go for twin45's as you
wont need to replace them in the future.
Ive seen a few std pintos running twin 40's no problem. A lot of people are a bit optimistic with their targets and claims, i know iam being
adventurous with my 130bhp target, probably will be more like 115 - 120 (at the flywheel).
|
|
|
DarrenW
|
| posted on 20/7/05 at 09:38 AM |
|
|
Welcome to the Mad house by the way. Just noticed this is your first post.
Nice to see you are going Pinto route. i believe there is a lot of life left in the old lump yet. Do some searches, Dave Walker wrote an intersting
reply a while ago.
http://www.locostbuilders.co.uk/viewthread.php?tid=23342
Des Hammill book is well worth a read.
Prepare yourself for some flak from the BEC boys. They have this strange idea that bike engines are good for cars. Yes they are quick but noisy and
too revvy. Ive been trying to pursuade them that bike engines are for puffs but seem to have gone unheard for some reason!! LOL
|
|
|
mangogrooveworkshop
|
| posted on 20/7/05 at 10:21 AM |
|
|
welcome M8te
Give Macspeedy a u2u he has a pinto running webers......
|
|
|
Avoneer
|
| posted on 20/7/05 at 11:07 AM |
|
|
45's - will be more flexible in the long run.
That's what I'm using.
Pat...
No trees were killed in the sending of this message.
However a large number of electrons were terribly inconvenienced.
|
|
|
mookaloid
|
| posted on 20/7/05 at 11:11 AM |
|
|
I am running a pinto with 45's.
recently dynoed at 149 bhp at the wheels.
Gas flowed head, fast road cam and some skimming / flywheel lightening etc.
Go for the 45's - you can do anything with the 45's that you can do with the 40's but not the other way around (it's all in
the choke sizes)
I believe R1 bike carbs may be an even better option........
Good luck and if you have any more pinto questions feel free to u2u me
Cheers
Mark
|
|
|
JJM
|
| posted on 20/7/05 at 11:36 AM |
|
|
45's definately-40's cant supply enough air for a mildly tuned pinto-they will work but run out of steam.
|
|
|
James
|
| posted on 20/7/05 at 12:22 PM |
|
|
Have a look at the carburation section of this excellent guide written by Puma:
http://www.pumaracing.co.uk/pinto.htm
HTH,
James
------------------------------------------------------------------------------------------------------------
"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
|
|
|
Surrey Dave
|
| posted on 20/7/05 at 06:38 PM |
|
|
BIKE CARBS , much more 'Locost' , no flat spots good flexibility ,good top end......
 
Rescued attachment Carbs On Car 6 vsml.jpg
|
|
|
billy
|
| posted on 20/7/05 at 09:24 PM |
|
|
175 bhp
I have a Vulcan tuned 2.1 in a dutton pushing out 175+ bhp. i have twin 45 dellortos. this engine rocks
luego-lo-cost finished,vauxhall 16v 2.0,twin 45s de-dion rear set up
|
|
|
dnmalc
|
| posted on 20/7/05 at 09:27 PM |
|
|
Dave I love the carbs what are they off of and how did you sort out the manifolds
|
|
|
dnmalc
|
| posted on 20/7/05 at 09:27 PM |
|
|
Dave I love the carbs what are they off of and how did you sort out the manifolds
|
|
|
Surrey Dave
|
| posted on 20/7/05 at 10:09 PM |
|
|
They are 38mm Mikuni's off a Suzuki GSXR750WN, they mount nearly level which means you dont have them sticking out of the bonnet.
I made the manifold out of mild steel plate and tubing , and mig'd it up.......
 
Rescued attachment Finished Manifiold 3 vvsml.jpg
|
|
|
%20(WinCE).JPG)
