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Topics - MikeLMR

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I know we have a few racers around so I thought i would throw this one out here and get some opinions.

Now I have a 1st gen rx-7 and it is very rarely used in the wet so I haven\'t really driven it on wet roads. However when I picked my car up a few weeks ago it was chucking it down.

To my surprise the car handled much better in the wet than it does in the dry, it tracked less and felt much more composed than it does in the dry!

In the dry it feels quite nervous, the front end wonders all over and it tracks quite badly.

My current setup is :-

Standard springs front and rear - standard ride height
uprated shocks - set to full stiff at the front and 1 click back from that at the back
15x7 wheels all round with 205/50R15 tyres (think these might be the cause on the front)
uprated front anti roll bar.

Now I have an uprated rear bar that can go on and I was planning on converting the car to 2.25" springs and adjustable platforms all round (like my \'79 323). Planning to set the rake slightly differently (nose high slightly) and a little lower which unfortunately will give more camber on the front ... I can however correct this with some spacers under the struts to lower the suspension arms to the standard position.

Any idea\'s or suggestions, I suppose if I change all the above I will need to start again but i\'d like to understand why it feels like it does. I am considering ordering some narrower rims for the front with an almost stock scrub radius and width then fit some narrow tyres ... this is however an expensive (circa £350 option)

Cheers ~ Mike

Rotary and General Chit-Chat / What Laptop ?
« on: July 11, 2007, 06:34:38 PM »
Seems to be a common question but the choice is quite daunting :)

I currently have a Siemens laptop that I got through work, it\'s got a 15" widescreen screen, 3Ghz processor, 528Mb Ati radeon graphics card, big hard disc etc. etc. and is about 4years old and on it\'s last legs.

What I am after is something a bit more portable as I am going to be doing a lot of traveling , but with a nice sized screen, a  reasonable dual core processor (to match what I have now) 2Gb or more RAM, 100GB or more hardisk, and most importantly a graphics card that is as good if not better than the one in my current machine.

Price bracket would be <£1K and the prime usage will be in this order - Internet,photos,word documents & lastly a spot of CAD work (hence the decent graphics card needed).  Heat generated, battery life and reliability are also important :)

Bit of a tall order but interested in any opinions, was looking at Toshiba ones but there is so much to consider and so many models.

Rotary and General Chit-Chat / Toyota Rally car restoration
« on: May 18, 2007, 05:34:48 PM »
Not Mazda and Not rotary ... but I don\'t think anyone will care ... this is absolutely mind blowing! the attention to detail that they have applied to rebuild this car is simply amazing !

just messing about with designs for a side mounted alternator for my 323 and just thinking about going with a mutli V belt setup and tensioning the belt using an idler bearing rather than moving the alternator (means I can have tighter clearance to the block without it having to move)

Anyone know if the pulleys from an FD will swap over to S4/S5 13B N/A ? anyone  upgraded to lightweight pulleys and want to sell me a standard set very cheaply so I can have a play? :)

This is the setup I am currently liking very much :D

Anything Engine/Performance/Tuning related / Electric Water Pumps
« on: March 19, 2007, 12:35:47 PM »
Been looking at electric water pumps for the 323 ... just because they neaten things up a bit and I don\'t have a standard pump that fits at the moment either.

However I have seen a fair number of comments on the Davies Craig units failing in service (I know there have been a number of revisions and believe they are now onto the third generation of pumps) However for a similar price you can get a pump made by stewart in the states, which is mostly alluminium in construction and seems to have nothing but praise on it\'s reliability from what I have found.  Has anyone used one?

And what are peoples thoughts on running without a thermostat using an electric pump ? Does the car ever get up to running temp properly when just cruising or does switching the pump off have the same effect as the thermostat closing (can\'t see how it can as thermo syphoning will move the water round anyway) and does anyone have experience of running an inline thermostat housing in the top hose line?

Aaaand (this is long post I know) any probs with the bolt on adapter style of connection to totaly remove the water pump housing? Do you end up with flow problems or is there a trick with welding a baffle on the plate or similar?

All credit to Michael for finding this one via a seller of a rotary jet Ski on EBay ... Wow, quite different to the norm!

Michael, it was not made for twin webbers but for twin 48 jetski carbs (no float bowls). see pic. i had 2 sets made by rapid prototype (advanced technology from 3d cad).

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Rotary and General Chit-Chat / Happy Birthday - Michael (TravellinBob)
« on: October 22, 2006, 07:49:21 PM »
Hope you\'ve had a good day :cheers

Happy Birthday !

Rotary and General Chit-Chat / FIA European Finals
« on: September 07, 2006, 11:05:21 AM »
Anyone off to Santa Pod ? Hopefully going down to watch the Qualifying tomorrow :3gears-lh  I\'m hoping it\'s going to be dry as its the first time I\'ve been

Anything Engine/Performance/Tuning related / Mystery engine tapping
« on: August 13, 2006, 06:49:54 PM »
I\'d not really noticed this one until looking at the engine mountings in more detail ... its an M10 coarse thread and runs right into the bottom of the centre housing. I am guessing its a water drain as it seems to be into the water jacket.

A photo attached bellow for ref.

Having a bit of a session planning my engine mountings at lunch and I reckon we have a solution (may pan out when I can look at the engine in the car ... or not)

But I would like to add some additional tappings to the engine in the areas circled at either end (original mounting bolts also highlighted) ... I\'m not interested in the why we are tapping them part I\'m interested in the is this technically OK, I\'m 99.9% sure there are no oilways in these sections and I\'m certain they will take the loads as I\'m also fairly sure that the 20B and the renesis (and the cosmo 13b?) use very similar places for engine mounting pickups.

Like I said not interested in the why do it like ... just CAN we do it like that ? I guess we will find out if no one knows :Giggle

Old school Mazda's / 13B sumps ?
« on: July 03, 2006, 05:25:43 PM »
does anyone have a spotters guid to 13b sumps ? The one on the 13B egi I have is fairly deep in the centre with a big cutout on the drivers side for the engine mounting on that side. But what do other sumps look like and do they bolt up to the 13b out of the EGI ?

The 12a sump I have looks much shallower at the front than the 13B one I have.

Old school Mazda's / Oldschool Summer meeting POLL !
« on: June 16, 2006, 04:58:14 PM »
Please vote for which event takes your fancy/you can attend.

You can vote for more than one but please don\'t vote for them all ! we need to decide somehow  :Giggle

Old school Mazda's / Rx323 (323sp!) For Sale !
« on: June 15, 2006, 12:51:55 PM »
The club has been sent this car for sale, If anyone is interested please get in touch and I will forward the details on to you.

Just a quick email to ask if you know anyone who may want to take on an aging RX323. 1979/80 1400 SP fitted with 13B 4 port RX7 engine. Car was converted in \'95 and recon eng. supplied and caR well known by Rotechnics.
Been sat in a dry barn, under a cover for 6 or 7 seven years. Looks like it needs an off side sill and some welding, but restorable. Has nice mazda alloys and good low profile tyres, dellorto carb/K&N, air scoop bonnet etc.
Located in Surrey.  has current V5 and is sorn
Will be putting on ebay as desperatley need some cash to rebuild my blown up racing motorbike.....!  

Sounds like an ideal project with most of the hard work already done !

Right rotorstock has been and gone and I\'m thinking about the next oldschool meeting. SOOOOO any ideas ? we\'ll talk dates later on when we\'ve decided on a venue.

My suggestions

- Donnington Park Collection

- One of the Post Historic Touring car meetings, the one that seems to stand out with regards to having the right date is the Oulton park race meeting (Pembery is a long way for most I think ... I guess not for Rich! :) ... might be an idea if everyone is OK with the location I suppose!)

- unofficially tag on with another show ?

or ? over to you guys with some ideas ! :)

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