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jim altemus
Samba Member
Joined: September 22, 2002
Posts: 366
Location: New Milford CT
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 Posted: Tue Nov 23, 2010 9:52 am Post subject: Why won't my air cleaners fit under my deck? |
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Although I've cut my deck for velocity stacks with filters from Bill's B Racing, the ideal of getting quieting down the cabin by covering the intakes with the engine deck appeals to me. I went with my current setup because the cast air cleaners I sourced from CB Performance wouldn't fit under the deck.
Last night I decided to try the filters I got from Redline. Even with the thinner stamped housings the results is the same. I even tried adding some spacers to the rear mount to move the motor down.
When I swapped in the 1915 I also added:
- Urethane mid mounts (the ones on the bellhousing.
- Kafer bar (this clearance issue existed before this was installed)
- Stock front tranny mount and rear engine mount.
Even with the Solexes and the worn motors mounts and whatnot on the original motor the air cleaners barely cleared. I haven't seen any evidence that my frame horns are tweaked. There was some minor accident damage (I replaced the rear valance) but everything lined up nicely. I don't see anything to indicate the body is tweaked. What am I missing?
Jim
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daithi2
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Joined: November 23, 2010
Posts: 17
Location: Amarillo, Tx
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| Posted: Tue Nov 23, 2010 10:15 am Post subject: |
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same issue with my 1776, im pulling it to freshin it up and tired of squised aircleaners, heck i hafta leave the lock tabs in the locked position when i close the lid to prevent it from hitting the throttle bar.. i think im going to build a wider elevated lid for clearance before it goes back in.
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Mike Fisher
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Joined: January 30, 2006
Posts: 17968
Location: Eugene, OR
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| Posted: Tue Nov 23, 2010 10:21 am Post subject: |
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Those RamFlo air cleaners from OZ look like they would clear better to me. blankmange will know for sure!
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TommyBoyGomes
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Joined: May 28, 2005
Posts: 1531
Location: L.A./Dublin, Irl
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| Posted: Tue Nov 23, 2010 11:21 am Post subject: |
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What carbs are those? Not all carbs are short enough to fit underneath a t3 decklid. Plus, are you using the CB performance low-rise T3-specific intake manifolds?
For reference, I'm using the low-rise CB performance intake manifolds, Dellorto DRLA 36 carbs, and the CB perf shortest air cleaners and I only have about 3/8" between the top of the air cleaner nut and the decklid. As far as I know, the only two-barrel carb that is slightly shorter than this is the Dellorto DCNF. Those carbs are supposedly tough to find nowadays though. |
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jim altemus
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Joined: September 22, 2002
Posts: 366
Location: New Milford CT
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| Posted: Tue Nov 23, 2010 1:10 pm Post subject: |
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| TommyBoyGomes wrote: |
What carbs are those? Not all carbs are short enough to fit underneath a t3 decklid. Plus, are you using the CB performance low-rise T3-specific intake manifolds?
For reference, I'm using the low-rise CB performance intake manifolds, Dellorto DRLA 36 carbs, and the CB perf shortest air cleaners and I only have about 3/8" between the top of the air cleaner nut and the decklid. As far as I know, the only two-barrel carb that is slightly shorter than this is the Dellorto DCNF. Those carbs are supposedly tough to find nowadays though. |
Weber IDF44's, pretty much identical to your DRLA's, on CB Performance Type 3 manifolds. I had the entire kit but switched to the Redline linkage kit thinking the stamped pieces would be thinner than the cast CB pieces. Is that 3/8" between the engine cover and the wing nut? What is your clearance between the top of your air cleaner and the lip on the trunk floor where the seal lives?
Jim
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djporsche
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Joined: March 08, 2004
Posts: 409
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| Posted: Tue Nov 23, 2010 1:23 pm Post subject: |
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| I had this problem years ago. you have to get the whole kit from CB for it to fit right. Can't just use the manifolds. I sent the manifolds back and got the kit with carbs, fit perfect. Then went with a smaller motor and got the CB ICT kit, also a perfect fit. You will also need their linkage kit. |
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jim altemus
Samba Member
Joined: September 22, 2002
Posts: 366
Location: New Milford CT
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| Posted: Tue Nov 23, 2010 1:31 pm Post subject: |
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| djporsche wrote: |
| I had this problem years ago. you have to get the whole kit from CB for it to fit right. Can't just use the manifolds. I sent the manifolds back and got the kit with carbs, fit perfect. Then went with a smaller motor and got the CB ICT kit, also a perfect fit. You will also need their linkage kit. |
If you read what I wrote, I had the entire CB kit, minus the carbs. I can't believe the carbs are any different than the IDF's I have now. The only thing I can think of at this point would be a thinner air filter, but wouldn't want to go much thinner.
Jim
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Houstonr
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Joined: February 01, 2009
Posts: 399
Location: Frisco Texas
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| Posted: Tue Nov 23, 2010 4:01 pm Post subject: |
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| Jimal, there is a whole thread around here somewhere abou the rear end sagging where the body meets the torsion carrier/ transmission frame horn. I have the same issue with my fastback |
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TommyBoyGomes
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Joined: May 28, 2005
Posts: 1531
Location: L.A./Dublin, Irl
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| Posted: Tue Nov 23, 2010 4:03 pm Post subject: |
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Hm, yeah weber IDF44's should be the same height as dellortos DRLA's (can someone confirm this)?
Regarding the gap between the top of the air-cleaner and the deck, I didn't have enough space to even use the wingnut, heh. The "wing" part would dig up into the foam on the bottom of the deck lid and prevent the decklid locks from catching. I went to a standard nylon nut instead of wingnuts. If you want pics, check out the end of this thread http://www.thesamba.com/vw/forum/viewtopic.php?t=359234&start=340
What concerns me about your picture is that the right air-cleaner looks to be sitting up higher than your left air-cleaner. Have you ensured that your engine mounts are holding your engine flat? Take a level to it and verify. |
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jim altemus
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Joined: September 22, 2002
Posts: 366
Location: New Milford CT
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| Posted: Tue Nov 23, 2010 4:10 pm Post subject: |
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| TommyBoyGomes wrote: |
| What concerns me about your picture is that the right air-cleaner looks to be sitting up higher than your left air-cleaner. Have you ensured that your engine mounts are holding your engine flat? Take a level to it and verify. |
Its level. The right air cleaner sort of clears the opening where I cut out the area where the seal goes. The left bank is a little forward and puts the air cleaner further under the trunk floor.
Jim
P.S, Your motor looks great BTW.
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GearheadJim
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Joined: April 10, 2003
Posts: 177
Location: Columbus Ohio
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| Posted: Wed Nov 24, 2010 7:40 am Post subject: |
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Jim, I have a set of K&N air filters that are very low profile. They attach with a clamp at the base so there is no wingnut on top. I used these for a year but plan to switch back to the stock oil bath setup (stock motor). If you're interested I can check some measurements for you to see if they would fit for your application.
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jim altemus
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Joined: September 22, 2002
Posts: 366
Location: New Milford CT
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| Posted: Wed Nov 24, 2010 9:09 am Post subject: |
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| Houstonr wrote: |
| Jimal, there is a whole thread around here somewhere abou the rear end sagging where the body meets the torsion carrier/ transmission frame horn. I have the same issue with my fastback |
I'm looking for that thread but not having any luck. I have the Kafer bar and could pre-load it, but I've been told that is not a good idea from a suspension point of view.
Jim
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josh
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Joined: July 13, 2003
Posts: 1773
Location: laid back in the tall grass
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| Posted: Wed Nov 24, 2010 1:22 pm Post subject: |
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| jim altemus wrote: |
| Houstonr wrote: |
| Jimal, there is a whole thread around here somewhere abou the rear end sagging where the body meets the torsion carrier/ transmission frame horn. I have the same issue with my fastback |
I'm looking for that thread but not having any luck. I have the Kafer bar and could pre-load it, but I've been told that is not a good idea from a suspension point of view.
Jim |
That won't help with what he's describing. It's not an issue of the engine sitting too high on the frame. It's an issue of the body sitting too low on the subframe.
Consider that the type3 rear subframe is bolted to the body at 5 locations with rubber mounts.
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| modok wrote: |
...If If stoner A takes a hit and then stoner B goes right away(not waiting two seconds), he's trying to suck on it while it's still got a vaccum, doesen't get much of a hit at all! Cause it hasn't filled back up all the way yet.
Stoner A is cylinders #2/4 B is #1/3 The plugged bowl is the throttle, the bong is the manifold |
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TommyBoyGomes
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Joined: May 28, 2005
Posts: 1531
Location: L.A./Dublin, Irl
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| Posted: Wed Nov 24, 2010 3:10 pm Post subject: |
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| josh wrote: |
| jim altemus wrote: |
| Houstonr wrote: |
| Jimal, there is a whole thread around here somewhere abou the rear end sagging where the body meets the torsion carrier/ transmission frame horn. I have the same issue with my fastback |
I'm looking for that thread but not having any luck. I have the Kafer bar and could pre-load it, but I've been told that is not a good idea from a suspension point of view.
Jim |
That won't help with what he's describing. It's not an issue of the engine sitting too high on the frame. It's an issue of the body sitting too low on the subframe.
Consider that the type3 rear subframe is bolted to the body at 5 locations with rubber mounts. |
If this is the case, then the skew in the body alignment should be visible, no? |
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damo99
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Joined: June 16, 2008
Posts: 118
Location: melbourne australia
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| Posted: Thu Nov 25, 2010 1:37 am Post subject: |
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| Mike Fisher wrote: |
| Those RamFlo air cleaners from OZ look like they would clear better to me. blankmange will know for sure! |
do not use ram flo aircleaners you lose horse power due to air restiction .
they are one of the worst aircleaners available .they seem to be more popular overseas than in aus because most people know how bad they are |
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localboy
Samba Longboarder
Joined: December 06, 2003
Posts: 5153
Location: "Mainland", PNW
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| Posted: Thu Nov 25, 2010 12:37 pm Post subject: |
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I have the CB kit (44IDF's) and the fit/clearance is VERY tight, but they work.
One option is to replace the filter w/ these http://www.carburetion.com/Weber/weberpartsair.asp RF457's. But then you'll lose the mounting for the linkage, so that creates another hurdle to overcome.
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