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By drifter17a · Posted
I have a 6 boost manifold and it has loads of bends etc. turbo has a cover however manifold doesn’t so I started to wrap what I could without taking turbo off. Very restricted area are you stating wrapping could lead to cracking weld? Is that because heat is retained? i have a exhaust gas temp right after turbo and it hits 700degree or 800 at times. there are areas which is impossible to reach with fibre glass cloth. Is there anything I could apply such as the photo shared earlier which would formulate around exhaust pipe in difficult to reach areas, sort of like aluminium foil flexible to shape it in place? i think from earlier reply you mentioned acl? Is this what you meant? https://www.nstparts.com/product/acl-heat-shield-700x275 photo of my engine bay https://ibb.co/9grHsMN https://ibb.co/bXC8KRM https://ibb.co/KV3kGZc I am trying to cover bottom of the exhaust manifold which joins the turbo. Only way is to take turbo and possible manifold out as it also touches the engine mount which I don’t fancy doing -
So....I managed to fix the belt coming off problem, but unfortunately i destroyed my oil pump. While testing and hitting my rev limiter a bunch, my oil pump took a shit. I actually heard it break. In my great wisdom i decided to hit redline 5 times (original plan). Lowered it to 7500 for the soft limiter. Normally it would come off on the first go. The 6th time I hit the limiter the pump broke and as i began accelerating again and hit it the 7th time, oil pressure dropped and the protection kicked in. It actually made a "tink" as if i dropped something hollow. The motor is pulled and should be rebuilt and put back in 3 weeks. No bearings were spun and i could have gotten away with simply replacing the pump, but since i had to pull the motor....might as well build it I made a billet tensioner and the belt stayed on without getting frayed. I also made one for a friends R33, but I was thinking of using a hydraulic unit to keep constant pressure on it when the belt stretches.
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Yeah 98 for me, and 6.7/100 was my actual usage. On the downside the bloody thing still isn't running properly but at least they hybrid system is happy now. It starts but missfires like a bastard, and isn't throwing any code except "missfire". Thanks scoop. I did notice the AFMs are reading quite different at idle 1.33v and 1.67v so 25% variance (and have both changed and swapped them, the issue stays on the driver's side afm) so I'm looking for exhaust restriction (mouse nest?), compression issue or (hopefully not, no physical damage seen) wiring issue. Throttle might also be an issue but that is harder because you can't swap them side to side and not cheap to fire the parts cannon at. -
I hope you're right and it somehow justifies it's existence!
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