damn looks like i'll be hunting around for some bare 240k coupe struts then!

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Dave W

The 1600

Recommended traders: Nissanman, pro240c, 2door510, Datsport, mkyle, Green510, Um_510, jdmdatsun510, Ludachris

Could someone post up some pics of this brake upgrade!!? IM very keen to go down this path

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1972 Datsun 1600

Here is a pic of my bro-in-laws brake upgrade.

Parts
- hilux calipers ($60 from pick n pay)
- second hand verada rotors ($50)
- $50 to redrill to 4 stud
- 240k twin piston struts that came with the car.
- A few 1mm washes (free from work)

u wouldnt happen to have a pic of the back of the caliper, would be very appreciative!!

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1972 Datsun 1600

Just another question on this, just wondering wats gonna be the best booster master combo? 180b booster and 7/8 master, or should it be a bit bigger say 15/16 master? any help would be good

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1972 Datsun 1600

is this just going by the original disc size, or have you measured both struts and found the mounting ears to be different?

and if so, from what i have read, the bare 200b struts are the same as the 270mm 240k bare struts? correct?

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Dave W

The 1600

Recommended traders: Nissanman, pro240c, 2door510, Datsport, mkyle, Green510, Um_510, jdmdatsun510, Ludachris

yeah thats right

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If in Doubt ... Call Datsport

okay cheers,
has anyone tried out the tm, tn, tp magna front rotors to see if they will fit under the hilux calipers on the 253mm rotor 240k strut? i'd try myself except i dont have any of these calipers yet to measure anything up and i'm not too sure how much further out the ears on them space out the caliper. the dimensions on the tm, tn, tp rotors are 261mm, 45.5mm hat, 24mm thick and 4x114.3 stud spacing, so only the centre hole would need reaming out and the caliper mount face machined down. dba part number is dba221

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Dave W

The 1600

Recommended traders: Nissanman, pro240c, 2door510, Datsport, mkyle, Green510, Um_510, jdmdatsun510, Ludachris

doesn't matter anyway, turns out that the caliper wont even bolt up to that strut, as the bottom of the caliper fouls on the steering arm.
anyone have any pictures of the amount of clearance when using 200b/240k coupe struts? they must be close, because there's no chance in hell of getting them on with my current setup.
dave

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Dave W

The 1600

Recommended traders: Nissanman, pro240c, 2door510, Datsport, mkyle, Green510, Um_510, jdmdatsun510, Ludachris

That's why we swap struts side to side, so the calipers are at the front, and the steering arms are at the back. No other problems associated with doing this - been done for years.

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They have drifting in forests now?
What will they think of next?

ah ok yeah dont know why i didnt think of that. i'd originally swapped them around (being 240K) to stop the hose fouling on the swaybar.

anyway, found some rotors that will fit on the 253mm strut with vented rotors, which may mean 14" wheels will still fit. havent got any to try at the moment so time will tell. its a TR and TS magna, 4cyclinder model (dont know why i didnt spot this when i was looking earlier on. # DBA421 256mm rotor 45.2mm hat, same thickness as all other previously mentioned rotors, except it comes in 4 stud not 5, so blanks will be needed and drilling required like the 425's. shame that the DBA221's wont fit.

dave

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Dave W

The 1600

Recommended traders: Nissanman, pro240c, 2door510, Datsport, mkyle, Green510, Um_510, jdmdatsun510, Ludachris

after waiting ages for a set of DBA421 undrilled rotors, dba have now informed me that they dont do these in blanks.
so, what i want to know is, is it safe to redrill the holes, assuming there is room? the magna rotors i'm looking at are 5 bolt holes. unsure of spacing.

and what are the measurement's for the 240k/200b hub bolt holes, i roughly measured a pcd of 98mm
centre hole on the rotor is 73mm

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Dave W

The 1600

Recommended traders: Nissanman, pro240c, 2door510, Datsport, mkyle, Green510, Um_510, jdmdatsun510, Ludachris

If the bolt holes were on the same PCD, I'd be saying yes you can do it (I don't like it, but it seems to work oK on my Mazda).

If the pcd's are different and you get overlap between the holes, then it's definitely a no-go, regardless of what anyone might tell you.

If the PCD's are sufficiently different that the holes remain clear of eachoter, then this is probably OK too. However, you'd need at least 25mm (prefer more like 30mm) difference in PCD for this to happen.

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They have drifting in forests now?
What will they think of next?

well, the 1600 spacing is 4x100, and the magna's is 5x114.3, so i cant see it working. however, the earlier mentioned dba221's are 4x114.3, so there would be plenty of room to add a set of 4x100 holes. just a matter of if the diametre is going to be too big (it'll be very close). which brings another question. should there be a minimum rotor to caliper clearance (i'm guessing ~2mm minimum)

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Dave W

The 1600

Recommended traders: Nissanman, pro240c, 2door510, Datsport, mkyle, Green510, Um_510, jdmdatsun510, Ludachris

All that being said, apparently a few people have done the 5 stud Magna disc conversion, so I'm not really sure how they've achieved it, apart from using blanks. I would think that they have major problems with holes encroaching on eachother, so would like to hear from someone who has done it.

Logic tells me it can't be a very nice job.

_________________
They have drifting in forests now?
What will they think of next?