Qs about my new 1.8
Discussion
I've bought a 1994 1.8 to replace my rusty (and now scrapped) 1.6. However I've got a few questions having had a good poke around it.
1. There was a strange induction noise at 2500rpm, upon investigation the airbox has the corner melted off due to there being no exhaust manifold heatshield - the manifold seems to be non-standard and has GEK and JASMA embossed on it - is this worth keeping? It has no fixing points for a heatshield. My 1.6 exhaust has a wide downpipe, decat and twin pipe and I was going to swap the whole thing inc. the manifold, but now I'm not sure.
2. I wanted to refit my K&N from the 1.6 (which will be sealed and ducted into the windscreen base) but the inlet pipe on the car (with the filter housing removed) is too small for the filter - can I get an adapter from somewhere or do I need a complete new filter?
3. the car has flexi pockets instead of armrests - I hate this as there is nowhere to rest my arm - the 1.6 armrests are very different - should a 1.8 have armrests as standard?
1. There was a strange induction noise at 2500rpm, upon investigation the airbox has the corner melted off due to there being no exhaust manifold heatshield - the manifold seems to be non-standard and has GEK and JASMA embossed on it - is this worth keeping? It has no fixing points for a heatshield. My 1.6 exhaust has a wide downpipe, decat and twin pipe and I was going to swap the whole thing inc. the manifold, but now I'm not sure.
2. I wanted to refit my K&N from the 1.6 (which will be sealed and ducted into the windscreen base) but the inlet pipe on the car (with the filter housing removed) is too small for the filter - can I get an adapter from somewhere or do I need a complete new filter?
3. the car has flexi pockets instead of armrests - I hate this as there is nowhere to rest my arm - the 1.6 armrests are very different - should a 1.8 have armrests as standard?
1. The manifold will not fit - the port spacing on a 1.6 and a 1.8 is different.
JASMA is a japanese auto standard, like German TUV. Not a manufacturer. GEK could be a brand. Are you sure its not FGK? Post a photo we might be able to ID.
You should (others may correct if I'm wrong) however be able to fit the rest of the exhaust from your 1.6, from manifold back as the hanger positions I believe are the same.
My old S-special had a Fujitsubo manifold and I made a basic heat sheild from sheet metal, easy.
2. Adapters are available, however filters are cheap and standard sizes are available to fit onto the end of the 1.8 crossover pipe.
3. There are various door card types, with differing door handles. There are 3 variations of door handle I believe. I actually prefer the type you have (which tend to be on later, import cars). Do you have the Stainless speaker grills? The doorcards are all interchangeable.
Lets see some pics then!
JASMA is a japanese auto standard, like German TUV. Not a manufacturer. GEK could be a brand. Are you sure its not FGK? Post a photo we might be able to ID.
You should (others may correct if I'm wrong) however be able to fit the rest of the exhaust from your 1.6, from manifold back as the hanger positions I believe are the same.
My old S-special had a Fujitsubo manifold and I made a basic heat sheild from sheet metal, easy.
2. Adapters are available, however filters are cheap and standard sizes are available to fit onto the end of the 1.8 crossover pipe.
3. There are various door card types, with differing door handles. There are 3 variations of door handle I believe. I actually prefer the type you have (which tend to be on later, import cars). Do you have the Stainless speaker grills? The doorcards are all interchangeable.
Lets see some pics then!
Thanks for the info. I'm pretty sure the manifold has GEK on it, but I will have another look. It has JASMA on a little metal plate that is welded to the top of the rear cylinder's pipe.
The door cards do have metal speaker surrounds, the car is a 1994 Eunos and not a UK car.
I'll take some pics once I've sorted out the suspension as the dampers that were on it are crap.
The door cards do have metal speaker surrounds, the car is a 1994 Eunos and not a UK car.
I'll take some pics once I've sorted out the suspension as the dampers that were on it are crap.
Sorry, totally mis-remembered what is on the manifold - it is actually FGK, but I was right about the JASMA plate, image attached. After some searching seems that JASMA is just some japanese road legal standard, but FGK means it is Fujitsubo Giken and apparently a 4-2-1 that is quite good! I'll have to have yet another inspection to see if it really is 4-2-1. Also need to have a good look underneath and see if it still has a cat.
One of these it seems:
http://www.mx5nutz.com/forum/index.php?showtopic=9...
Also, there are these 2 plastic things on the firewall behind the passenger seat, Lanzar DC 6XO, apparently something to do with the audio system - anyone know what they actually are?
One of these it seems:
http://www.mx5nutz.com/forum/index.php?showtopic=9...
Also, there are these 2 plastic things on the firewall behind the passenger seat, Lanzar DC 6XO, apparently something to do with the audio system - anyone know what they actually are?
Edited by anonymous-user on Wednesday 21st August 15:19
It has the usual doors speakers and also separate small tweeters on the tops of the doorcards near the front, I've not yet found any other speakers anywhere. Although I've not yet driven it much TBH the radio sounded pretty crap to me - the headrest speakers were crackling and cutting out quite a bit. Even my old 1.6 with just headrest speakers sounded better.
What do passive crossovers do?
What do passive crossovers do?
Edited by anonymous-user on Wednesday 21st August 19:02
Hi
A simplified answer is Passive cross over is a filter that filters the audio frequencies to prevent the lower frequencies going to the tweeters i.e. only the high frequencies go to the tweeter and vice versa for the woofers.
It's worth a web search on the web on the pros and cons on passive and active crossovers.
A simplified answer is Passive cross over is a filter that filters the audio frequencies to prevent the lower frequencies going to the tweeters i.e. only the high frequencies go to the tweeter and vice versa for the woofers.
It's worth a web search on the web on the pros and cons on passive and active crossovers.
ok thanks, so as I've not yet found any other speakers it could well be treating the main door speakers as subs?
I don't pretend to understand how electrical stuff works but if it looks straightforward then I might see if I can rip it all out as it sounded pretty bad, and I'd rather just have the standard setup with working headrest speakers.
I don't pretend to understand how electrical stuff works but if it looks straightforward then I might see if I can rip it all out as it sounded pretty bad, and I'd rather just have the standard setup with working headrest speakers.
JimSuperSix said:
ok thanks, so as I've not yet found any other speakers it could well be treating the main door speakers as subs?
I don't pretend to understand how electrical stuff works but if it looks straightforward then I might see if I can rip it all out as it sounded pretty bad, and I'd rather just have the standard setup with working headrest speakers.
Probably not treating them as subs, just filtering only the high range to the tweeters and everything else (sub, bass and midrange) to the door speakers.I don't pretend to understand how electrical stuff works but if it looks straightforward then I might see if I can rip it all out as it sounded pretty bad, and I'd rather just have the standard setup with working headrest speakers.
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