Charles' early 92 827 manual coupe
- scoobyh123
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Re: Charles' early 92 827 manual coupe
Not sure about Dropbox but i've never had any success trying to upload to Dropbox. Postimages works though and very nice those headers look too!
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Re: Charles' early 92 827 manual coupe
Thanks Dave. Just hoping it's going to be a straight forward remove & refit and that the pipework lines up to the engine without having to do any mods. Not sure if the downpipe will fit to the standard exhaust either but we'll see.
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Re: Charles' early 92 827 manual coupe
The new pipe should fit straight onto the standard cat or in your case decat box.
I'd get everything in a little looser than fingertight then do all the nuts, bolts etc gradually so that everything lines up and gets tightened where it should be.
Should be fine if everything i've heard about them is right.
I'd get everything in a little looser than fingertight then do all the nuts, bolts etc gradually so that everything lines up and gets tightened where it should be.
Should be fine if everything i've heard about them is right.
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Re: Charles' early 92 827 manual coupe
From what I've read as well, it's recommended to fit these headers to a non cat vehicle such as I have.scoobyh123 wrote: ↑Wed May 02, 2018 8:59 pmThe new pipe should fit straight onto the standard cat or in your case decat box.
I'd get everything in a little looser than fingertight then do all the nuts, bolts etc gradually so that everything lines up and gets tightened where it should be.
Should be fine if everything i've heard about them is right.
Apparently they make abit more noise as well and sound like an NSX.
I just hope I might have some slight gain be it low end torque or even, better acceleration.
Funny how these aren't road legal in California..
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Re: Charles' early 92 827 manual coupe
Considering the NSX uses the same basic engine, albeit in C30 DOHC form with VTEC, that's no real surprise!
What the NSX doesn't have though is the variable length intake system that we have so it's swings and roundabouts.
Cats are restrictive so removing them gives these headers more chance to do what they're meant to.
From what i can work out, they're so scared of their owns shadows in California because their shadows might cause a bit of pollution they're considering outlawing shadows.
What the NSX doesn't have though is the variable length intake system that we have so it's swings and roundabouts.
Cats are restrictive so removing them gives these headers more chance to do what they're meant to.
From what i can work out, they're so scared of their owns shadows in California because their shadows might cause a bit of pollution they're considering outlawing shadows.
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Re: Charles' early 92 827 manual coupe
Hopefully also this won't cause any ecu issues like engine warning lights, but we'll see.
The only mod I should have to make is extending the lambda sensor cable. (at least one sensor as you say Dave)
The only mod I should have to make is extending the lambda sensor cable. (at least one sensor as you say Dave)
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Re: Charles' early 92 827 manual coupe
It shouldn't do Charles, after all you're not altering anything else, just the position of one Lambda sensor and extending its cable. Might have to extend the rear one slightly as well but depends how much spare length you have on the wiring.
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Re: Charles' early 92 827 manual coupe
Didnt get chance to fit the manifolds. I've set this Thursday aside for this. Been looking at my existing center section and found a hole in that
I do have a MK1 2.7 centre section, but the question is; will this fit the coupe..any ideas?
I do have a MK1 2.7 centre section, but the question is; will this fit the coupe..any ideas?
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Re: Charles' early 92 827 manual coupe
Only if you want to shorten the Mk1 section Charles!
The Mk2 was designed to be launched after the mandate for cats came in so all have the Mk2 sections. Shame as apart from slightly different lengths on the front pipes and the cats and obviously the intermediate section, they all seem pretty similar/same.
If you have a hole in your centre section, dog-food tins, GunGum/Firegum and Jubilee clips work well. Depends where the hole is exactly though.
The Mk2 was designed to be launched after the mandate for cats came in so all have the Mk2 sections. Shame as apart from slightly different lengths on the front pipes and the cats and obviously the intermediate section, they all seem pretty similar/same.
If you have a hole in your centre section, dog-food tins, GunGum/Firegum and Jubilee clips work well. Depends where the hole is exactly though.
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Re: Charles' early 92 827 manual coupe
I've botched the hole with something like Upol body filler (not a bright idea since its probably flammable) but temporary.scoobyh123 wrote: ↑Tue May 15, 2018 1:50 pmOnly if you want to shorten the Mk1 section Charles!
The Mk2 was designed to be launched after the mandate for cats came in so all have the Mk2 sections. Shame as apart from slightly different lengths on the front pipes and the cats and obviously the intermediate section, they all seem pretty similar/same.
If you have a hole in your centre section, dog-food tins, GunGum/Firegum and Jubilee clips work well. Depends where the hole is exactly though.
Going to see a stainless exhaust builder in Bradford for a quote tomorrow after work. The local stainless builder just down the road is full on with work so Bradford is my next nearest (14 miles).
Might be done Thursday/Friday and I might as well have them fit the manifolds.
I'm not likely to find a standard replacement easily or quickly and cost won't be here nor there either.
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Re: Charles' early 92 827 manual coupe
Good luck with the stainless exhaust Charles, don't let them go too big on the bore, a 2" O/D pipe is about right unless you want to start changing cams, doing head work and drive it like you stole it all the time.
Even then unless it's all done so it works together, it will be gutless, thirsty and noisy.
Even then unless it's all done so it works together, it will be gutless, thirsty and noisy.
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Re: Charles' early 92 827 manual coupe
I've spoke to somebody there on the phone and let him know what I'm after and making something like standard and quiet as possible. He seemed to know petrol exhausts are loader compared with diesel so he suggested extra baffles. This should make up for the noisy decat too.scoobyh123 wrote: ↑Tue May 15, 2018 7:17 pmGood luck with the stainless exhaust Charles, don't let them go too big on the bore, a 2" O/D pipe is about right unless you want to start changing cams, doing head work and drive it like you stole it all the time.
Even then unless it's all done so it works together, it will be gutless, thirsty and noisy.
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Re: Charles' early 92 827 manual coupe
There's a reason your local exhaust builder is rammed with work and the other one isn't Charles!Charles827si wrote: ↑Tue May 15, 2018 6:52 pm
Going to see a stainless exhaust builder in Bradford for a quote tomorrow after work. The local stainless builder just down the road is full on with work so Bradford is my next nearest (14 miles).
Find out when your local one can give you a quote and don't make any decisions until you've been there as well as the Bradford one.
Just as a subtle hint or two, diesels are usually much louder than petrols and when i built the exhaust for my Sterling (now no longer on the car, it lasted 7 years or more though) it was all straight through boxes, no baffles and it was quieter than standard but gave better performance and economy and a deeper note. In fact i had many comments about how nice it sounded but how come it was still quiet.
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Re: Charles' early 92 827 manual coupe
So to follow up on a few weeks absent activity to this thread,..things took a different direction.
I didn't get the exhaust made and the manifolds fitted as yet (though I still plan to soon hopefully).
The reason for this is my ABS light has been showing since the last MOT (September) and I really thought it was about time to have this checked out. I've not had time to investigate myself so I took the car to my local mechanic who is familiar with old, classic and modern cars (MGF enthusiast too) to see what he could do.
Simon performed numerous tests with some diagnostic equipment and he couldn't for the life understand the reasons for this.
Since having ruled out the ABS sensors, it turns out there have been two issues; one at the front and one at the rear.
At the front there was some kind of mounting for goodness knows what that had corroded, fallen out of place and dislodged the front passenger side sensor.
And the rear right hand hub was found to have a small crack in this.
So after nearly two weeks of fault finding, the front has been rectified, (including my coolant pipe near radiator which has been hanging lose since my recent lambda sensor remove/refit/replace....and... today I have ordered a new rh rear hub with castellated nut and semi elliptical clip which all being well will be delivered and fitted tomorrow by Simon.
Hope to have the car back, I seem to have been a fair while without it.
No idea when I'll get the exhaust sorted next; but that may happen next month or later.
I didn't get the exhaust made and the manifolds fitted as yet (though I still plan to soon hopefully).
The reason for this is my ABS light has been showing since the last MOT (September) and I really thought it was about time to have this checked out. I've not had time to investigate myself so I took the car to my local mechanic who is familiar with old, classic and modern cars (MGF enthusiast too) to see what he could do.
Simon performed numerous tests with some diagnostic equipment and he couldn't for the life understand the reasons for this.
Since having ruled out the ABS sensors, it turns out there have been two issues; one at the front and one at the rear.
At the front there was some kind of mounting for goodness knows what that had corroded, fallen out of place and dislodged the front passenger side sensor.
And the rear right hand hub was found to have a small crack in this.
So after nearly two weeks of fault finding, the front has been rectified, (including my coolant pipe near radiator which has been hanging lose since my recent lambda sensor remove/refit/replace....and... today I have ordered a new rh rear hub with castellated nut and semi elliptical clip which all being well will be delivered and fitted tomorrow by Simon.
Hope to have the car back, I seem to have been a fair while without it.
No idea when I'll get the exhaust sorted next; but that may happen next month or later.
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Re: Charles' early 92 827 manual coupe
I think you missed a trick here Charles - you could have taken the new manifolds along and got him to fit them "as and when" for a cheaper rate when he was quiet - he still earns money that way, you get them fitted cheaper and he's not under pressure to get them done in a day or whatever - win/win situation for both of you!
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