E30 Zone

Guys, the usual method of measuring speaker cable size is the AWG scale - but the lower the number, the thicker the cable. Look here: http://en.wikipedia.org/wiki/American_wire_gauge So 22awg is much thinner than the 12awg. The 12awg is actually pretty thick, and a bit overkill for most speaker appl...

Hi Anton - fantastic work there!

Nice to see you've utilised the existing kickwell speaker positions - not a doorpod in sight.

It's fairly pointless just finding something with lots of bass and treble - unless that's how you want your system to sound - bass and treble is only part of the story. People don't realise just how most modern CDs are recorded/mastered. They are aimed at the mass market, and made to sound good on c...

I can guarantee that those infinities are anything but flat.

Don't forget that they are cheap, but mainly because they are a few years old now, and probably coming to the end of their run.

As we all know,the installation and setup is as important as the choice of speaker.

boombang wrote:Really you want a very long sweeping wave from approx 40Hz to 40kHz.

Good luck hearing anything over about 16khz!

Its all about preference, Alpine treble a lot, Infinity are bassier, ill have a fish around tomorrow see if I can find some others. What type of music/headunit/price are you looking for. Falls asleep. :mad: Moz I have a set of those infinities - and they are quite the opposite in fact! When install...

Best to use a piece of music that you know well - or one that you know sounds good on a home system.

Most modern chart stuff is really badly recorded/mastered anyway - just set it up to how you like it!

First off, don't buy any of the unbranded cheap amps from ebay or anywhere else. You'd be better off with something 2nd hand. You can pick up a nice 2x50w rms apline, kenwood, JBL etc for Ã‚£20 - Ã‚£40, and it will knock the socks off those chinese cheap amps. BTW, those amps claim 400w, but only ha...

Well a bigger clearance isn't going to gain you any performance, quite the opposite infact - the valves are opening .05mm less. It will probably also make your car tap more. That's not the case in my experience. M20s much prefer loose valve clearances. It may "tap" a little, but an M20 with "audibl...

Always adjust M20 valve clearances to 0.35mm engine fully hot. Since when? Better cold and although BMW say 0.25. But i believe 0.30 is better! In my experience, .35 hot is the best method, and as stated also accounts for uneven expansion. Back in the day, I would regularly have to sort out running...

It's impossible to diagnose a lean mixture from a distance - although it is possible, it's unlikely that you'll do any damage from normal driving. As for the tappets - the only time I've ever adjusted them cold is when it's been a rebuild, so cannot be run up to temp. Always adjust M20 valve clearan...

Brenner5 wrote:thanks..
When you mean 'throttle wide open' does that just mean full foot down on accelerator?

Yes, foot to the floor.

Should also have said, (as above) is there a spark at the plug when it's removed?

The blue sensor can/will seriously affect fuelling if faulty, but IME, they are often replaced regardless "just in case" - they are cheap enough. Sounds like you may be flooded. New plugs, FULLY charged batt, and start with your throttle wide open. Keep cranking if it is firing, don't do short burst...

For god's sake check your tyre wear (uneven/feathering) before you change the bearing/s.

My old 320i on conti's made a right racket when cornering - you'd swear it was a bearing!

Most bizzare E30 fault i recall is that one of the spare fuses falls out of the fuse-box lid, and bridges the contacts on the relay (located below) - usually causes random wiping whilst cornering.

Unlikely, but takes 10 seconds to check/rectify.

PARDON? The E30 footwell sound is completely bolox! Ive never come across an E30 with speakers in the front that actually do the headunit and amp justice. The size/shape of the a-pillar doesnt really help i know, but he's willing to pay for some sounds, both in speaker/amp and enclosure format. Wit...

The skin effect does have an impact but only really at high frequencies (and the effect is quite significant at frequencies approaching 25-30kHz), but as i said to the layman in a noisy car it would not be noticable. blah blah blah boring!!! mrlee I'm not saying that skin effect doesn't exist, only...

I've not seen many at all, other than the audioscape items.

Why does he want door pods? If it's for a 3 way front end, or a significant increase in speaker size, then fair enough, but the stock locations are actually pretty good!

I think that's right! I'm not too sure about the starter (term 50) connection - is that going back to the ECU? I'm a little rusty on the older stuff, but I do recall that the cranking signal does go back to the ECU - in which case it should be ok. I would connect the earth and the cranking signal fi...

mrLEE, you are absolutely correct that there is a lot more to electrical cables than just ohms law - much of which I have long since forgotten. What I am fairly sure of, however, is that capacitance, inductance and the skin effect of cables does not even come into play when considering the frequency...

End to end = series, which means that you add the resistances - so 2x15k end to end would be 30k.

Sided by side (parallel) is what you need to do - this will give you the 7.5k you are after. Keep it up - you must be nearly there!

I think you need to go back and read ohms law again :) You can't really go too big or fat with speaker cable (or any cable for that matter). You can however go too thin. If the wire is too thin, it will not be able to pass enough current, and will get hot. If you take it to the extreme, it will act...

zaust wrote:Not correct eko. If it is to fat it will lose sound/power. Common install problem...

Sorry, but that's total rubbish.

Put them where they sound best - simple as. A good rule of thumb is that you should at least have a direct line of sight to them. Fitting them low down doesn't mean that they won't sound good - it may pull the sound stage down though. The theorectical best position is as close to the mids as possibl...

Well, you've tried both of the approved grades of oil, so why not try a 50/50 mix?

Not all tweeters suit the same location. Make sure that you have plenty of wire on them,get some blu-tac and experiment with different locations - footwell firing upwards, on mirror backings, and at different heights on the a pillar. Try one location for a few days, then change them and see how it a...

You beat me to it Brian!

I can't advise you about the front > rear power cable, as I haven't done mine yet, however I wouldn't think it's too difficult, as some E30s have the batt in the boot - so there should be a clear route through. Check around the bulkhead for grommets. By using door builds (especially for the same siz...

If I was installing into a saloon, I would almost certainly fit an infinite baffle sub in the parcel shelf. It would be a fair bit more work to install, but would sound clearer and more integrated, plus you wouldn't need so much power to really get it moving. You have to check the specs of the sub b...

Yep - pretty much any wire will be fine - there's practically no current flowing in the circuit. You could either leave the resistor temporarily connected, until you get the value right, or make it so that it is interchangeable using crimp connectors. Don't forget that there are 2 wires going to the...

Margate Maplin on Planet Thanet. They do relays for autos and wire - which sort would I need for the mod, Heyho? Just a normal automotive 4-pin relay. Something like: http://cgi.ebay.co.uk/12V-Automotive-Relay-4-Pin-40-AMP-40A-12-V-NEW_W0QQitemZ280183391422QQihZ018QQcategoryZ15329QQssPageNameZWDVWQ...

So, is this a local thread for local people? :D Try the temp sensor, and see how you get on. If you do need any further assistance, or you want to try the mod, let me know. I'm pretty busy at the moment (E30 engine all in bits - not actually on the road yet, and house in bits too!), but I could make...

Well, you can't be too far away from me, I'm just outside Canterbury.

Where abouts are you located Hankino? If you're anywhere near me (SE), I'd make you up a loom and fit it for you.

I forgot about finding out about genuine loom, but will try to remember tomorrow!

Master cylinder.

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