1.7 tuning help - which cam and manifold?

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Q
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Location: cambridge or sheffield

Post by Q » 26 Jun 2008 08:15 am

lower seventy mil or so of the old volvo strut and then a complete fabrication pretty much from their up. but spec is;

mr2 spax insert; gives adjustable damping (admitadly too much)(finding a suitable insert/cheap insert caused great trouble, was going to use a golf one for a bit)
eccentric top mounts; to try and reduce the amount of castor gained
adjustable spring seat for an escort (from the wonders of rally design)
will hopefully have a couple of tapped holes in the strut for them to house some oil.
but now i need to con someone into welding them as i want them now!

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Q
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Location: cambridge or sheffield

Post by Q » 26 Jun 2008 08:22 am

oh and i know which mounting rubbers you mean. but the carbs/manifold don't really come too close meaning you would need long rubber section to account for this, or add some material to level it out. on a bike the manifold and carbs are pretty much touching and right next to the cylinder head meaning their is a very low moment, plus bike are very well packaged.

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340GLT
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Post by 340GLT » 26 Jun 2008 08:33 am

That pic of the coilover in pieces looks familiar!!! Where did you find info to know the MR2 insert would fit? As thats what i used, but i found that insert by pure chance.
Adam
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Q
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Joined: 21 Feb 2008 03:55 pm
Location: cambridge or sheffield

Post by Q » 26 Jun 2008 11:46 am

did a bit of research on previous examples (yours included) and made some preliminary designs.

then spent about a six months emailing people and companies to try and find a cheap insert that was close to the dimensions it needed to be. kyb do a really good adjustable insert for a old celica/corolla that they made for the japanese market that shares the same dimensions... but they cost the earth!
In my search i have also found out what a disposible world we live in, as not that many manufactures make as many inserts as they used to. and instead just make a cheap sealed strut.

although i have had to alter the mr2 insert. I am not going to run the screw cap because it would make the overall length a little bit too long and i am instead going to weld a machined top cap on. i decided to do this because they are practically a brand new insert and have a good 5 years at least before they would require any maintenence. also not using the screw cap meant that i had a little bit of room at the top of the insert to mill down for the spring seat and top mount to fit.

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