Hi guys,
a mate of mine gave me a set of twin 40mm IDF webers and I was wondering if they would work ok on a 1640 TP with a standard cam???
stifler001 Casual Dubber
47 posts · joined Feb 2011 ·
Webers
Bizarre Moderator The artist formerly known as blue74l
12,787 posts · joined Aug 2002 ·
yes - 40's are good for a 1600
BUT - that said, it all depends on the jetting - and that can be changed.
I reckon they need 32 vents, 135 mains and 50 idles
Others may tell you smaller.
Have a look and tell us what is in there
BUT - that said, it all depends on the jetting - and that can be changed.
I reckon they need 32 vents, 135 mains and 50 idles
Others may tell you smaller.
Have a look and tell us what is in there
Futue te ipsum!!!
vwo60 Veteran Volks Folk
2,036 posts · joined Feb 2007 ·
I would run 28MM vents other wise you will take away the driveability of the engine, will not pull from down low.
matberry Moderator Go hard or go home
8,114 posts · joined Mar 2006 ·
I would go with the carbs too. I agree 28 vents for a otherwise stock 1600. Would really benifit from a good exhaust and then headwork.
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
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stifler001 Casual Dubber
47 posts · joined Feb 2011 ·
thanks guys, I will check the jets and go from there. One other question, do I need to take out the engine to put the weber manifolds on?
matberry Moderator Go hard or go home
8,114 posts · joined Mar 2006 ·
stifler001 wrote:thanks guys, I will check the jets and go from there. One other question, do I need to take out the engine to put the weber manifolds on?
Nope 🙂
You actually need the carbs off to fit or remove the engine.
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
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Bizarre Moderator The artist formerly known as blue74l
12,787 posts · joined Aug 2002 ·
mmm.............. putting the manifolds on is easy
getting the 34Pict manifold off is the hard part
Shoot me...................... but you also need to think about Weber Windows as well
I happily cut a hole in the side to get to the mixtures and idles.
That is better done with the motor out
The other problem is if you have "short" studs.
I had some manifold studs that were VERY short and I needed to change them
That is better done with the motor out
getting the 34Pict manifold off is the hard part
Shoot me...................... but you also need to think about Weber Windows as well
I happily cut a hole in the side to get to the mixtures and idles.
That is better done with the motor out
The other problem is if you have "short" studs.
I had some manifold studs that were VERY short and I needed to change them
That is better done with the motor out
Futue te ipsum!!!
stifler001 Casual Dubber
47 posts · joined Feb 2011 ·
thanks again! 🙂
vwo60 Veteran Volks Folk
2,036 posts · joined Feb 2007 ·
I have 44IDF's in a 36 HP engine bay and have no problems tuning them without cutting holes in my car.
Sides Veteran Volks Folk
2,220 posts · joined May 2007 ·
Really ???vwo60 wrote:I have 44IDF's in a 36 HP engine bay and have no problems tuning them without cutting holes in my car.
Even with the windows cut in had to be a contortionist to tune my 44 IDF's... I used to get the back of the car up on stands to be able to get me arm up under the guard easily and reach in. Ditto for when changing plugs.
Am thinkin you must have really tiny hands or somethin....
😉
VWDCQ vice pres & web dude - vwdcqinc.org.au
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My toys
'70 Hillclimb Bug 'Jezebel' w/- Haltech EFI - http://bit.ly/VwTNtQ
'60 KG Coupe - resto kinda started
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Join a car club - get car peeps
My toys
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'60 KG Coupe - resto kinda started
01 New Beetle - gf's car, but I turn the spanners
HappyDaze Superannuated
2,887 posts · joined Jun 2009 ·
Ahaaa!......You have a Kombi, or a Karmann Ghia. [Or are you a gynecologist?].vwo60 wrote:I have 44IDF's in a 36 HP engine bay and have no problems tuning them without cutting holes in my car.
I'd rather wear a Beetle out by racing it than by polishing it!
matberry Moderator Go hard or go home
8,114 posts · joined Mar 2006 ·
You guy's must be a bunch of shiela's....I tune them regularly without holes cut. Mind you it makes for some interesting language.
Certainly easier with access holes, especially for #'s 1 & 3 sparkplug change.
Fit IDA's, heaps easier for access....lol
Certainly easier with access holes, especially for #'s 1 & 3 sparkplug change.
Fit IDA's, heaps easier for access....lol
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
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Sides Veteran Volks Folk
2,220 posts · joined May 2007 ·
Hmmm.... must be a thing with different manifolds or something... with IDF's in my '70 engine bay, no way in hell would you get the idle jets out without the access holes.
❓
But oh well - EFI now, so it's just sit in the driver's seat and play with the laptop for me !!!
😀
❓
But oh well - EFI now, so it's just sit in the driver's seat and play with the laptop for me !!!
😀
VWDCQ vice pres & web dude - vwdcqinc.org.au
Join a car club - get car peeps
My toys
'70 Hillclimb Bug 'Jezebel' w/- Haltech EFI - http://bit.ly/VwTNtQ
'60 KG Coupe - resto kinda started
01 New Beetle - gf's car, but I turn the spanners
Join a car club - get car peeps
My toys
'70 Hillclimb Bug 'Jezebel' w/- Haltech EFI - http://bit.ly/VwTNtQ
'60 KG Coupe - resto kinda started
01 New Beetle - gf's car, but I turn the spanners
vwo60 Veteran Volks Folk
2,036 posts · joined Feb 2007 ·
I have had a 70 model beetle with 44 IDF'S with no body butchery along with the worst example with my 60 model with 44 IDF'S again and have had no problems tuning them , and my hands are big.
stifler001 Casual Dubber
47 posts · joined Feb 2011 ·
So I checked out the jets on the weekend, it has 140 mains, 45 idle and 32 vents. I should hopefully get the manifolds and linkages on the weekend, what is the likelyhood that it will run ok with the current jets?
Cheers
Brad
Cheers
Brad
matberry Moderator Go hard or go home
8,114 posts · joined Mar 2006 ·
It'll run, but I'd expect larger idles will be needed.
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
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Bizarre Moderator The artist formerly known as blue74l
12,787 posts · joined Aug 2002 ·
you certain they are 40's and not 36's??
Futue te ipsum!!!
stifler001 Casual Dubber
47 posts · joined Feb 2011 ·
Yeah, they are 40's I checked a few times, I will give it a go then change them later. just trying to get it on the road at the moment.
Do you know anywhere in Sydney where I can buy the jets / Vents?
Thanks for your help
Brad
Do you know anywhere in Sydney where I can buy the jets / Vents?
Thanks for your help
Brad
matberry Moderator Go hard or go home
8,114 posts · joined Mar 2006 ·
I have a good selection, most are $8 each. You'll normally pay alot more than that. Feel free to PM me once you know what you need.
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
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vassy66T1 Wow ... are U reading this?
2,120 posts · joined Jun 2003 ·
Get some 50 and 55 idles off Matt while you are at it.
Bizarre Moderator The artist formerly known as blue74l
12,787 posts · joined Aug 2002 ·
I use to buy my jets from Carbuterror Service Company on Parramatta Road Burwood.
Just near the bus terminus
Just near the bus terminus
Futue te ipsum!!!
stifler001 Casual Dubber
47 posts · joined Feb 2011 ·
Thanks guys, Matt I will come back to you next week if the manifolds and linkages turn up this weekend.
matberry Moderator Go hard or go home
8,114 posts · joined Mar 2006 ·
🙂
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
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stifler001 Casual Dubber
47 posts · joined Feb 2011 ·
Hi again,
So i finally received the empi inlet manifolds and went to fit them this weekend and had some issues.
firstly the studs were too short and secondly the manifolds need a fair bit pushing to get them past the tin wear, so I decided to pull the engine out to fit them.
removed the engine replaced the studs with longer ones then fitted the manifolds, all going well so I thought I better check the webers mounted ok before I put the engine back in. To my surprise the webers hit the fan shroud, I am using 40mm IDF's and I thought they should go straight on. has anyone had any issues in the past? do i need a different fan shoud?
One thing I need to point out is the the webers are quite old (manual chokes) and were originally off a mates Gemini, I would have thought that 40mm IDF's are all the same? any thoughts?
So i finally received the empi inlet manifolds and went to fit them this weekend and had some issues.
firstly the studs were too short and secondly the manifolds need a fair bit pushing to get them past the tin wear, so I decided to pull the engine out to fit them.
removed the engine replaced the studs with longer ones then fitted the manifolds, all going well so I thought I better check the webers mounted ok before I put the engine back in. To my surprise the webers hit the fan shroud, I am using 40mm IDF's and I thought they should go straight on. has anyone had any issues in the past? do i need a different fan shoud?
One thing I need to point out is the the webers are quite old (manual chokes) and were originally off a mates Gemini, I would have thought that 40mm IDF's are all the same? any thoughts?
Bizarre Moderator The artist formerly known as blue74l
12,787 posts · joined Aug 2002 ·
you need to put block off plates where the chokes are
http://www.cbperformance.com/catalog.asp?ProductID=518
http://www.cbperformance.com/catalog.asp?ProductID=518
Futue te ipsum!!!
matberry Moderator Go hard or go home
8,114 posts · joined Mar 2006 ·
And it'll still be tight, sometimes needing panel beating. Best with a 36hp style fan housing, but then the replacement ones still often need work for German compatibility 🙂
Not all manifolds are created equal.
Not all manifolds are created equal.
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
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1916baja Custom Title Time!
1,990 posts · joined Sep 2007 ·
I actually cut the both sides off my fan shroud to get my 40 idfs on my baja, we then patched it up and painted it. looked like balls though.
stifler001 Casual Dubber
47 posts · joined Feb 2011 ·
ok thanks guys, I have had a look at some photos online of engine bays with the webers and most of them seem to have a seamless fan shroud, mine has a seam which sticks out, maybe its an old one. I will buy a new dog house one this week and see how I go.
If I block off the chokes does the engine still start ok?
If I block off the chokes does the engine still start ok?
matberry Moderator Go hard or go home
8,114 posts · joined Mar 2006 ·
Yep, just remove the assembly and preferebly cover the area with a blanking plate.
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
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colin Fahrvergnugen
984 posts · joined Mar 2007 ·
Agree with matt, 50idles and maybe 135 mains with a 28mm vent, then with a little head work and exhaust 32mm vents and 140 mains.stifler001 wrote:So I checked out the jets on the weekend, it has 140 mains, 45 idle and 32 vents. I should hopefully get the manifolds and linkages on the weekend, what is the likelyhood that it will run ok with the current jets?
Cheers
Brad
Cheers Col