300zx calipers on a B13 sentra, can you do it?

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drifterdevin
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I was wondering if my 300zxtt front brakes would fit on a b13 sentra, I know the bolt battern is differnt for the discs, but do the calipers fit


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RED_DET
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It can be done but a few things must be accomplished.

1. You will have to have 4mm machined off the diameter of an U13 altima rotor and the rotor is only 22mm thick. The 300zx brakes you should use would be the NA 1990, they are 26mm. The rotor is only 22mm, so that means don't wear the brakes all the way down. If you can find the aluminum caliper, it would weigh less than the iron.

Another option is using the 300zx rotor for what ever caliper you use, i.e 26mm or 30mm. You would still need the rotor redrilled to to either 4x100 or 4x114. The diameter may still need to be machined down as well, about 4mm. The benefit of this option is using the correct thickness of the rotor paired with the caliper.

2. If you use option 1, the lugs will have to be redrilled to 4x100 or you can change out your hubs for B15 hubs and then you will have 4x114, which is lug pattern of the u13 rotor.

Note: I don't know if machining 4mm off the rotor is necessary if you just redrill the rotor for 4x100 and use the B13 knuckle. If you don't redrill and go with a B15 Knuckle, you will have to machine the rotor diameter down.

3. The master cylinder on the B13 is not up to the task of pushing 4 piston calipera. So a U13 altima non abs master cylinder would have to be sourced as well, 94-97 body style.

4. The brake bias on the this setup is is going to be very strange. I would also recommend upgrading the rear brakes to something bigger as well. Alot of B13 guys go with the 1994 nissan maxima rear caliper and rotor as a normal brake upgrade when they to the nx2000 brakes, this should help with the brake bias.

5. Remember that if you run b15 knucles, the lug patter changes to 4x114. So if you don't change the back to, you will have 4x100 in the rear. So you must keep that in mind when installing wheels. A 15" wheel is a must to clear the 300zx caliper and a min 38 offset should clear.

Seems to be alot of trial and error involved in this setup. If you have access to 300zx calipers, I suggest some testing to make sure everything fits like it needs to and you know exactly what needs to be done. The 300zx lines are not banjo fittings either.


StealthWhiteB13
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Personally i think that you should just go with the NX upgrade. much easier and works great. Even if your doing a full out race car NX is more than enough by my opinion.

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RED_DET
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I thought the NX was sufficient until I started running a T28 turbo setup and going to a Disco Potato here shortly. I will need either a 300zx setup or the Wilwood 11" 4piston setup. The NX setup is great for NA applications and small turbo setup on low boost.

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drifterdevin
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could i use the 11" rotors from the willwood kit with my 300 zxtt calipers?

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RED_DET
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That is a good question. Depends on the thickness of the rotor. The problem I have learned is that you "must" use b15 knuckles, the b13 knuckles aren't an option. I think by the time you sourced all the parts you need and put alot of wrench time into the swap, it would be easier to just the buy the wilwood kit.

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drifterdevin
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I have just found out that the willwood 11" rotors used in there kits are stock VW corrado G60 rotors, so I'm going to see how thick the rotors are and use them with the 300zx calipers

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drifterdevin
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well i have found out that the vw corado disc are 18-20mm thick, the stock 300zx are 30mm, could i still use the vw disc if i were to use a spacer on the pads to make up some of the differance in the rotor thickness? or is there enugh movement in the 4 pistons to compensate for the thiner rotor?

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pcproa
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RED_DET wrote:It can be done but a few things must be accomplished.

1. You will have to have 4mm machined off the diameter of an U13 altima rotor and the rotor is only 22mm thick. The 300zx brakes you should use would be the NA 1990, they are 26mm. The rotor is only 22mm, so that means don't wear the brakes all the way down. If you can find the aluminum caliper, it would weigh less than the iron.
The 26mm caliper is only available in Aluminum. About halfway through production, Nissan found that the aluminum calipers allowed the rotors to warp too much. They changed all the calipers to steel. This was well after they changed over from 26mm calipers on the NA to 30mm for everything.

The reason for the change from 26mm to 30mm was two part. First, it cut down production costs. Having 4 machines (Two types of rotors, two types of calipers) was a lot more expensive than 2 machines. Second the 26mm rotors started warping very quickly on the heavy 300ZX.
drifterdevin wrote:the stock 300zx are 30mm
Early NAs were 26mm

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drifterdevin
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my 300mm calipers are aluminum, this is the reasion i want it to work soo bad, I wanna go bigger for my 240sx, so I wanted to use the 300 zxtt calipers on my sentra, I alreaddy have them so i gotta use them

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moersfelng08
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I tried to get it to work on a B14 and failed miserably. Went with the Wilwood setup instead works great.

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drifterdevin
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I just picked up an 1991 Infinity Q45, could I use all 4 of the calipers, for my sentra?

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RED_DET
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You are going to have the same issue you will have with the z32. The 240 guys run the z32 or Q45/J30 setups. A bracket will be necessary.

94gtirxe
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I see this thread is a little dated but i liked the concept and started working it through.so far the info is straight forward and this is what i have discoverd.

at the b15 knuckle the center shaft from the axle is a diferent size.my solution is to try the ends from the b15 axles and add them to mine. not sure. i may just have to get the manufactured. if the length and connecting mechanisims dont match.

the other thing i have noticed is there will required a small shim or washer between the caliper and the b15 knuckle for the caliper to center over the rotor. i will measure what size when i get to that point and let you know.


dmp316
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It has been done already.

http://www.sr20-forum.com/susp....html

94gtirxe
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The link looks good but he didnt adress the knuckle issue.the knuckles dot fit the axles.

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drifterdevin
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has anyone tryed using the 1990+ maxima knuckle?


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