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Old 02-04-2007, 04:03 PM   #721
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Does anyone know of a good way to clean the baked on tire foam and oil crud from your exhaust???
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Old 02-04-2007, 04:48 PM   #722
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i normally just wipe it dowwn after every heat/race day and it keeps clean
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Old 02-04-2007, 06:50 PM   #723
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WD-40.
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Old 02-04-2007, 07:41 PM   #724
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Put it in a crockpot with regular antifreeze (not dexcool) and cook it for a couple of hours, it will rinse right off with minimal scrubbing.
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Old 02-06-2007, 05:27 AM   #725
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Default Fuel consumption

Hi there!

Could someone please tell me what options I have to make 5 mins. between stops with a Nova 35+21?
If I need 20 or 30 sec. more what can I do? Which manifold which restrictor?

Many thanks in advance guys!
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Old 02-06-2007, 08:41 AM   #726
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Quote:
Originally Posted by fulcrum2
Hi there!

Could someone please tell me what options I have to make 5 mins. between stops with a Nova 35+21?
If I need 20 or 30 sec. more what can I do? Which manifold which restrictor?

Many thanks in advance guys!

there are several options what manifold, restrictor and exhaust pipe are you using now?
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Old 02-06-2007, 11:11 AM   #727
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Quote:
Originally Posted by fulcrum2
Hi there!

Could someone please tell me what options I have to make 5 mins. between stops with a Nova 35+21?
If I need 20 or 30 sec. more what can I do? Which manifold which restrictor?

Many thanks in advance guys!
Fulcrum2,

Before the Ninja, I was running 35+21's and I resolved
the fuel issue by running an INS Box & the JP 3 Chamber
pipe. I ran the Medium Conical Header as well.

Take care!

Terry
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Old 02-06-2007, 10:45 PM   #728
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Quote:
Originally Posted by T-BODZ Terry B.
Fulcrum2,

Before the Ninja, I was running 35+21's and I resolved
the fuel issue by running an INS Box & the JP 3 Chamber
pipe. I ran the Medium Conical Header as well.

Take care!

Terry

Has anyone measeured their fuel tank's capacity? Art Carbonell mentioned to me the other day that most MRX4R's tanks are quite a bit undersized. Is this true? I have yet to measure mine-just curious.
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Old 02-07-2007, 01:38 AM   #729
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A-RASSS


I'm using Nova 2052 pipe and have all three conical manifolds 41015 16 and 17.

Should I work with different air restrictors?

Many thanks for lookin' into this!
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Old 02-07-2007, 02:05 AM   #730
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Do you guys use the pressure chamber on your R's?
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Old 02-07-2007, 05:45 AM   #731
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Quote:
Originally Posted by Ed Delgado
Has anyone measeured their fuel tank's capacity? Art Carbonell mentioned to me the other day that most MRX4R's tanks are quite a bit undersized. Is this true? I have yet to measure mine-just curious.
I measured both (one spare) of my and they were just under...a perfect safety range for generous tech inspectors.
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Old 02-07-2007, 05:47 AM   #732
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Quote:
Originally Posted by gashuffer
Do you guys use the pressure chamber on your R's?
Definitely. Otherwise you will need a lot of coiled up fuel tubing. And looks cleaner.
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Old 02-07-2007, 07:26 AM   #733
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Quote:
Originally Posted by fulcrum2
A-RASSS


I'm using Nova 2052 pipe and have all three conical manifolds 41015 16 and 17.

Should I work with different air restrictors?

Many thanks for lookin' into this!
Youre using the most powerfull combination. In order to increase mileage you can switch to 2031 or 2015 and maintain the conycal header. The performance will decrease a bit (not too much)

If youre racing a mrx4 check the tank capacity most of them are too small even 120 cm3 You can open them a bit with a hot curved metal surface from the inside to the outside.


If you still get out of fuel in a heat think in getting a semi conycal header or a conventional header but that woul reduce the overall performance considerably.

You can also alter the gearing, latest tendences is that with shorter gearing the mileage is increase although it would seem the opposite.

Also a too loose clutch setting increases a lot the fuel consumption, check that also.

best regards and good races!
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Old 02-07-2007, 11:21 AM   #734
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Thanks for the advice A-RASSS!

I just found an old 2006 Nova pipe. Should it also give lower consumption? Too cold to try it at the time being...
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Old 02-07-2007, 07:42 PM   #735
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Thanks Sohlman, I thought that the fuel tanks on the R have a pressure cap so you don't need the chamber?
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