Exploding plenum
Discussion
Not the best start to a Sunday.
Tried to start, instantly made a loud bang and bits of the plenum got fired out of the bonnet vents.
It's gone with so much force it's ripped the bonnet support off as well.
Double f&&k!!
What to do now?
Do you think it could be repaired? I might contact Tim at ACT tomorrow but I didn't buy it from them directly?
But then it might do it again.
I remember now when Shaun mapped it he said to always give a bit of throttle when starting because he's seen a few carbon plenums explode with a backfire
I really want this plenum as it's running a 76mm throttle body and i don't think the standard can be taken out that far can it? I suppose I could TIG weld the 76mm jag throttle body onto the standard plenum but that might not work either?
Tried to start, instantly made a loud bang and bits of the plenum got fired out of the bonnet vents.
It's gone with so much force it's ripped the bonnet support off as well.
Double f&&k!!
What to do now?
Do you think it could be repaired? I might contact Tim at ACT tomorrow but I didn't buy it from them directly?
But then it might do it again.
I remember now when Shaun mapped it he said to always give a bit of throttle when starting because he's seen a few carbon plenums explode with a backfire
I really want this plenum as it's running a 76mm throttle body and i don't think the standard can be taken out that far can it? I suppose I could TIG weld the 76mm jag throttle body onto the standard plenum but that might not work either?
Edited by brett84 on Sunday 19th April 20:04
it's so frustrating as i've now got to repair the bonnet as well.
Yeah I made some plug leads with an angled boot and then used lead protector boots for insulation but to be fair the leads are really tough anyway, but they don't do any harm. The leads some semi-finished you just cut to length and add on the coil pack connectors, dead simple with the tools you get from there, just clamp on. They were Moroso blue max 8mm, really beefy things
http://www.realsteel.co.uk/section9.pdf
Yeah I made some plug leads with an angled boot and then used lead protector boots for insulation but to be fair the leads are really tough anyway, but they don't do any harm. The leads some semi-finished you just cut to length and add on the coil pack connectors, dead simple with the tools you get from there, just clamp on. They were Moroso blue max 8mm, really beefy things
http://www.realsteel.co.uk/section9.pdf
yeah Shaun set it up and the engine runs fine normally.
I just tried to start it this morning without touching the throttle and this happened as soon as it tried to turn over. Bloody loud bang it was. Normally starts fine, bit rich until warm as there isn't a stepper or idle valve.
I'm wondering what difference in the real world the 76mm TB makes over standard and if its worth messing around or just go back to the standard plenum and open it up as much as possible?
I just tried to start it this morning without touching the throttle and this happened as soon as it tried to turn over. Bloody loud bang it was. Normally starts fine, bit rich until warm as there isn't a stepper or idle valve.
I'm wondering what difference in the real world the 76mm TB makes over standard and if its worth messing around or just go back to the standard plenum and open it up as much as possible?
t bags, didn't think about that, I was thinking about cars that run without air filters but thats still going through the throttleSpoke to Tim, he got back to me straight away on a Sunday night, talk about efficiency.
It was one he made when he just did it as a hobby, before ACT so around 96-98 so it's pretty old. And it's a throttle body he made, 78mm apparently, only made a hand full.
He can supply a new plenum and transfer over the TB for not much more than I'd be looking to pay for 72mm ported plenum.
Just got to decide now if I want to go CF again or get the ported alloy one?
I'm not sure how much of a difference performance wise going from 72mm to 76/78mm will make?
It was one he made when he just did it as a hobby, before ACT so around 96-98 so it's pretty old. And it's a throttle body he made, 78mm apparently, only made a hand full.
He can supply a new plenum and transfer over the TB for not much more than I'd be looking to pay for 72mm ported plenum.
Just got to decide now if I want to go CF again or get the ported alloy one?
I'm not sure how much of a difference performance wise going from 72mm to 76/78mm will make?
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