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What Are The Dimensions For The Framerails Taper For 240?


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#1 aircobra

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Posted 26 July 2016 - 10:08 AM

i noticed that some of the reproduction rails are completely straight ( baddog ones?), whereas the original have a very slight taper - may be 5 mm only

does anyone have the dimensions ? presumably the replacements compensate by having offset ends so that the rad frame fits with no mods



#2 CBR Jeff

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Posted 26 July 2016 - 02:31 PM

Can you extrapolate what you want from this?

Jeff

S30 Body Dimensions.JPG



#3 aircobra

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Posted 26 July 2016 - 04:55 PM

whether to go with the straight replacement frames or weld up existing

i can tell just a slight reduction from the blueprint. will have to scale the picture and measure it by hand



#4 CBR Jeff

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Posted 26 July 2016 - 05:15 PM

If you mark up what you want measured I can measure my car for you in the appropriate places. I did have a bit of a look this after and it is not a big taper. I think straight would work fine, be simpler and to be honest hard to pick once all the bits are in place.
Jeff

#5 aircobra

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Posted 26 July 2016 - 05:57 PM

thanks jeff

if you measure from the radiator frame back , ts basically the distance that the taper starts at, how long it goes for and what it converges to

appreciate the trouble



#6 CBR Jeff

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Posted 26 July 2016 - 07:24 PM

Ok hope this helps. I have tried to reduce the parilax error at the start so you can see the dimensions at the measurement end. Questions just ask. I'll have time tomorrow to give you more details as required. It tapers in and down looking from the front. The bottom is flat and the outsides are straight. The car is upside down in the photos.

Jeff

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Edited by CBR Jeff, 26 July 2016 - 07:25 PM.


#7 aircobra

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Posted 26 July 2016 - 09:02 PM

this is super - that;s all i need. that would have to be the most rust free front i've seen. nothing like my one

by the way, is that how the cross member bolts go in ? upside down?



#8 CBR Jeff

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Posted 26 July 2016 - 09:22 PM

Great. No problem.
The bolts and bracket in the photos are the sway bar mounting point to the body.
Jeff

#9 nat0_240_chevZ

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Posted 27 July 2016 - 10:29 PM

240 or 260?
Aa the differ.
It's tmm on tops and inners on the 240 and double that on the 260z,
The front rails made prev include the tapers, and yes affects replacements.

#10 aircobra

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Posted 28 July 2016 - 03:45 PM

by chance, do you still have the original exhaust brackets on your car, esp. the one on the gearbox?






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