ACT manifolds

ACT manifolds

Author
Discussion

900T-R

20,404 posts

258 months

Friday 20th December 2019
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SILICONEKID 357HP said:
How loud is the tapping from the valve train ?
Can´t say I have ever noticed it. A bit more induction roar maybe, but that´s not a bad thing in my book smile

phazed

21,853 posts

205 months

Friday 20th December 2019
quotequote all
900T-R said:
SILICONEKID 357HP said:
How loud is the tapping from the valve train ?
Can´t say I have ever noticed it. A bit more induction roar maybe, but that´s not a bad thing in my book smile
Back to back, carbon and alloy plenums, carbon is slightly noisier.

Seems normal once you are used to it.

Mr Haribo

318 posts

190 months

Friday 20th December 2019
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Having the JE plenum mines not noisy but I also have roller rockers so it does make it quite.
Daz have you had the ACT manifolds coated ? Did mine it does keeps the heat down in the cabin I thought it was a gimmick.