ok cool if i can find a second hand one ill send it your way
cheers stakes
cheers stakes
Tuning Tricker stopped selling throttle bodies?
- Thread starter timeless
- Start date
Currently reading:
Tuning Tricker stopped selling throttle bodies?
OP
OP
timeless
New member
Hi,
My 1242 8v mpi 75 engine ran a tricker 40mm tb.
Yesterday, I received and fitted the David 43mm tb
.
Test:
Extra torque and extra power at high rpm, faster throttle response and huge sound (5500rpm-7000rpm).
It's a great performance part with a professional machining.
The tb works perfectly with my high rpm power setup (fast road max cam...).
The David tb, perfectly machined comes with new aluminium spacer, new gaskets and new brackets.
Good communication with David.
My 1242 8v mpi 75 engine ran a tricker 40mm tb.
Yesterday, I received and fitted the David 43mm tb
.Test:
Extra torque and extra power at high rpm, faster throttle response and huge sound (5500rpm-7000rpm).
It's a great performance part with a professional machining.
The tb works perfectly with my high rpm power setup (fast road max cam...).
The David tb, perfectly machined comes with new aluminium spacer, new gaskets and new brackets.
Good communication with David.
I have a p75 tb on my 1242 spi cinq, was alittle work on the lathe to open out the throat of the tb to match top of spi tb but not too difficult.
nath
Absoluteleft
New member
Will this fit a single point injection engine? if so i would be interested.
Yeah I've read on here that some folk have done this, and that it works. Yeah a good way to get it to 38mm no probs.. I found the punto 75 tb doesnt come up that frequent, and the spacer is even harder to find, I spoke to one guy on ebay, he said that he just chucked em away cos no one wanted em.???. I wonder what would happen if you put a bored out one on there...??? hmmm????
Hi,
My 1242 8v mpi 75 engine ran a tricker 40mm tb.
Yesterday, I received and fitted the David 43mm tb
Test:
Extra torque and extra power at high rpm, faster throttle response and huge sound (5500rpm-7000rpm).
It's a great performance part with a professional machining.
The tb works perfectly with my high rpm power setup (fast road max cam...).
The David tb, perfectly machined comes with new aluminium spacer, new gaskets and new brackets.
Good communication with David.
Good stuff... I'm chuffed it all works ok..
Opelkadett C
New member
A while ago I ordered a 43mm TB from David with the idea to use it on a p75 engine. I liked the idea of having a larger tb which would fit a P75 engine without (too much) modifying. And without being too large. I stripped a spare tb from all unnecesary parts and shipped it to David (top and bottom half).
Now I have received the tb and I am really happy with it. I know David in some way copied the idea of enlarging the throttle body from Tricker. But this has not affected the quality of the work done to it. (Like the Chinese can copy things.) Maybe it is a little better. It arrived very well cleaned, and looks like it is brand new. All necessary gaskets (hand made) and some extra where included. And the butterfly seals very well, which is important for smooth idling. Also the top half is precisely matched to the enlarged lower half.
David proposed to machine the spacer for me as well but I wanted to do this myself.
Unfortunately I cannot test it yet because I am still running spi. But I am sure it will work well! Like Timeless said in his post.
For everybody who is thinking about obtaining one from David, I’d say get one while you still can!
Finally I had very good communication with David or as he wants to call his services ‘Davspec tuning parts’.
Now I have received the tb and I am really happy with it. I know David in some way copied the idea of enlarging the throttle body from Tricker. But this has not affected the quality of the work done to it. (Like the Chinese can copy things.) Maybe it is a little better. It arrived very well cleaned, and looks like it is brand new. All necessary gaskets (hand made) and some extra where included. And the butterfly seals very well, which is important for smooth idling. Also the top half is precisely matched to the enlarged lower half.
David proposed to machine the spacer for me as well but I wanted to do this myself.
Unfortunately I cannot test it yet because I am still running spi. But I am sure it will work well! Like Timeless said in his post.
For everybody who is thinking about obtaining one from David, I’d say get one while you still can!
Finally I had very good communication with David or as he wants to call his services ‘Davspec tuning parts’
.Attachments
Driveitlikeustoleit
New member
hello...A while ago I ordered a 43mm TB from David with the idea to use it on a p75 engine. I liked the idea of having a larger tb which would fit a P75 engine without (too much) modifying. And without being too large. I stripped a spare tb from all unnecesary parts and shipped it to David (top and bottom half).
Now I have received the tb and I am really happy with it. I know David in some way copied the idea of enlarging the throttle body from Tricker. But this has not affected the quality of the work done to it. (Like the Chinese can copy things.) Maybe it is a little better. It arrived very well cleaned, and looks like it is brand new. All necessary gaskets (hand made) and some extra where included. And the butterfly seals very well, which is important for smooth idling. Also the top half is precisely matched to the enlarged lower half.
David proposed to machine the spacer for me as well but I wanted to do this myself.
Unfortunately I cannot test it yet because I am still running spi. But I am sure it will work well! Like Timeless said in his post.
For everybody who is thinking about obtaining one from David, I’d say get one while you still can!
Finally I had very good communication with David or as he wants to call his services ‘Davspec tuning parts’
yea i want one plz
but will a 40mm TB be to big for my 1.1 cinq? i could do it myself but since you peeps are doing it saves me the hastle and the other fact i've never bored out a TB before lol..
how much you charging mate ?
thanks mark..
hello...
yea i want one plz
i could do it myself but since you peeps are doing it saves me the hastle and the other fact i've never bored out a TB before lol..
how much you charging mate ?
thanks mark..
read the post again,he ordered.....
Last edited:
random question, would a 43mm tb fit a 1108, or is 40 the max?
Driveitlikeustoleit
New member
i would like to no the samerandom question, would a 43mm tb fit a 1108, or is 40 the max?
..
I'm not sure that you'd see any gain with a 43 on an spi cinq/sei. I think that the 40 is more than adequate for our small engines. Would be interesting to do though and actually see on RR what difference if any it would make. Also the bigger the "hole through which the air has to flow, reduces the speed of flow, which could have an effect for the worse on performance possibly. Someone with a lot more knowledge than me about engines and flow characteristics needs to answer that one, I'm just handy on the lathe and enjoy making these things.
Cheers
Cheers
I have a 43mm tb on my car, it was first used on my engine when it was a n/a 75 running mpi with megasquirt. it had a ported head. high compression. matched ports and 4-2-1 manifold
even with this setup, i felt the 43 was to big as when you slowly let on the throttle (or even go full then let off) the last 10-15mm of throttle travel did not really effect the engine.
on the other hand, with it on my highboost turbo it makes hell of a difference, it smoothed the transaction between off boost and on boost,(smooths out the huge surge you get in turbo cars) which is helpful after a scary experience on a sprint coarse where the turbo quickly came on boost on a fast, long sweeping bend. before I knew it i was spinning across the runoff. dont know how it stayed on its wheels!
even with this setup, i felt the 43 was to big as when you slowly let on the throttle (or even go full then let off) the last 10-15mm of throttle travel did not really effect the engine.
on the other hand, with it on my highboost turbo it makes hell of a difference, it smoothed the transaction between off boost and on boost,(smooths out the huge surge you get in turbo cars) which is helpful after a scary experience on a sprint coarse where the turbo quickly came on boost on a fast, long sweeping bend. before I knew it i was spinning across the runoff. dont know how it stayed on its wheels!
Yeah, I think that there is a limit of what is actually beneficial, just going as big as possible with no real data to refer back too is a bit of a waste of time. would be good to get some flow results using various tb's, mani and head. would be interesting too see what the fuelling was doing at the last 10 15mm of throttle travel.
well with megasquirt i could see all the data. ill see if i have any old datalogs but i do know that i looked before when i noticed the problem of no engine effect for the last bit of throttle and could see that moving the throttle at high rpm did not change the manifold pressure much.
what i also noticed is that engine tone would a lot within this dead area.
this is what has put me off ITBs on a cinq (my gf wants a tuned cinq when she passes her test) all motorcycle tbs are to big. which is why im looking into throttle body found on modern single cylinder 125cc bikes. they are perfectly sized but the problem is you need to buy 4 of them. hopefully china will start pumping out cheapo copies
what i also noticed is that engine tone would a lot within this dead area.
this is what has put me off ITBs on a cinq (my gf wants a tuned cinq when she passes her test
) all motorcycle tbs are to big. which is why im looking into throttle body found on modern single cylinder 125cc bikes. they are perfectly sized but the problem is you need to buy 4 of them. hopefully china will start pumping out cheapo copies 
