Making a RB20,25, or 26 dust shield

Discuss the RB20, RB25 and RB26 series engines.
RB26needaparachute
Posts: 74
Joined: Mon Dec 18, 2006 3:02 pm
Car: 1998 240sx Se/RB26

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Heres some pics of the dust shield I made using .

22GA steel
Jig saw with 24TPI blades
Drill with a step drill bit
Grinder
Hammer
Perm marker
Transmission for template
6" Cut off wheel for template

First I drilled a hole the steel the size of the pilot shaft on the transmission to be able to draw my template. I then drilled one hole and used a transmission bolt to hold it in place while tracing the bell housing. Trace your bell housing and remove your sheet of 22GA steel. Use the jig saw to cut out your template. After cutting it out I then used my bolt again to tighten the steel up back up to the bell hosing. Using a small diameter red fine permanent marker I put in the bolt holes and ran it around the edges to mark where to drill out the bolts.Drill out your marks and check to make sure everything lines up(I made mine a little larger than necessary because I didnt want to have trouble getting bolts through) .Then I used a 6" cut off wheel in the center and traced it to clear the crankshaft.After cutting it out I used a hammer on the edges and all my bolt holes to get everything flat and deburred with a grinder.Finished. (My garage is a MESS)

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User avatar
Monogato
Posts: 189
Joined: Sat Sep 27, 2008 6:05 am
Car: 1989 Nissan 240SX SE
Contact:

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Damn, good job! That looks just like it came out of the factory!

RB26needaparachute
Posts: 74
Joined: Mon Dec 18, 2006 3:02 pm
Car: 1998 240sx Se/RB26

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Thanks I really appreciate it..I found a RB26 OEM dust sheild in Miami but I wanted to install my transmission since it was a weekened so I spent $58 at Lowes and made my own.

s14_sport
Posts: 1852
Joined: Mon Nov 14, 2005 2:01 pm

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Awesome work! What do you think of the competition clutch? Is that a multiplate clutch?? I didnt know they made those.

RB26needaparachute
Posts: 74
Joined: Mon Dec 18, 2006 3:02 pm
Car: 1998 240sx Se/RB26

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Thanks..I like it...I smoked my twin disk HKS clutch on the dyno so I had to find a clutch fast. Ive heard that the Comp clutches don't last very long but I can tell you that the clutch pedal feel is close to stock and this clutch doesn't slip at all(This is a twin disc Comp clutch).Ive only drove my car for about 500 miles on a fully built rb26 so take that into consideration(not much driving on it)..a piece of slag decided to blow into number #6 and destroy my head and shattered the JE piston(almost back together). Also I was making 598whp with one of the big hoses from the balance tube almost severed..so I should make close to 700whp on c16 hopefully.At 598whp no slip at all, also great pedal feel.


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