Just bought our first Z (240Z) | Page 18 | The Z Club of Great Britain
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Just bought our first Z (240Z)

Discussion in 'Rebuilds and restorations' started by Woody928, Jul 5, 2016.

  1. Woody928

    Woody928
    Z Club Member
    Staff Member Moderator

    They have a whole range but I just went with the regular 2mm stuff. There's so much conflicting advice out there about how much coverage to do and which product to use but this seemed like a reasonable option. I'd still like to do more another time but its much more satisfying closing the doors and hatch now!
     
  2. Rob Gaskin

    Rob Gaskin Treasurer Staff Member Moderator

    This sound-proofing is quite a personal choice thing. I suppose it depends on what you do with your car. I love the noises my Zs make, they are part of the buzz I get from driving them.
     
  3. uk66fastback

    uk66fastback
    Z Club Member

    Having the header now installed Mark, I can't think this makes much difference to the soundproofing at all from experience with my Mustang. The tinniness of the panels, yes. They won't drum as much, that's for sure.

    Rob, it's not like a modern car, where you get in and close the door and can barely hear what's going on outside!
     
    Woody928 likes this.
  4. IbanezDan51

    IbanezDan51
    Z Club Member

    Have you driven a modern electric car yet? They obviously have no engine sound, and really have to focus more on the NVH issues with body hole sizes, sound proofing, seals etc. They are infinitely quieter than your average hatchback. Its actually extremely nice and when you get back in a vehicle that is powered by an ICE its bloody horrid :D
     
  5. toopy

    toopy
    Z Club Member

    Yeh agreed, Ive looked into different products before, but conflicting recommendations make it hard to make an informed choice, it's not exactly cheap stuff if you're buying more than a couple of squares either!

    Looking at your pics, there's plenty of space left to cover, but go's to prove you don't need to smother a car in the stuff for it have a marked effect :)
     
    Woody928 likes this.
  6. uk66fastback

    uk66fastback
    Z Club Member

    No, I haven't, although I was nearly run over by my mate camping at the Silverstone F1 this year when he returned from the water tap in his gi-normous Mistubishi Hybrid thing and I simply never heard it and walked in front of it without hearing it coming ... okay, he was only doing about 5mph, but still ...
     
    IbanezDan51 likes this.
  7. Rob Gaskin

    Rob Gaskin Treasurer Staff Member Moderator

    Ok my last post on this (I know I can be a PITA).

    I've been out in my Samuri this afternoon (after shopping with my wife Jayne in my Volvo XC60). It was escapism and I loved it! The induction roar (triple webers), the exhaust (Janspeed one silencer) the gearlever buzz (S14) and the suspension crash and rattle all told me I was alive and driving a super classic sports car. I'm 67 and still got a thrill from it. Just like my old trackday car - no way am I fitting sound deadening pads or ear muffs! Bring it on, this is why I love my Zs. Ask those old guys racing this weekend at Goodwood what thickness sound deadening they have!
     
    IbanezDan51 likes this.
  8. MaximG

    MaximG
    Z Club Member

    Yes but they aren't driving 2,3,400 miles in them.
     
    Woody928 likes this.
  9. Woody928

    Woody928
    Z Club Member
    Staff Member Moderator

    This was one of the big reasons for doing the job, all the panels sounded awful closing doors.

    It's a hard one as to how far you go, I've seen it done both ways. This way is certainly cheaper and lighter while providing huge benifits, I'm sure total coverage would enhance it further but where do you stop...

    :rofl: Missing the point I think Rob, I love all of those things mentioned however when you're cruising for hundreds of miles then interior rattles, road rumble and drone don't make for a fun experience.... I still have the some induction, exhaust noise etc however the cabin is slightly quieter, less wearing and more able to allow for conversation. It's well worth doing, I'm sure a car with full coverage would be amazing and still allow for the same exciting experience, just in more comfort!
     
  10. Ian

    Ian
    Z Club Member

    Yes, for a car thats used often its nice to not have excessive unwanted noise.

    You don't need panels fully covered for this to work, 50% is all you need as its just there to stop resonance and booming of the panels. After this you want to use foams and heavy vinyl layer.

    I'm going to do mine as light weight as possible using 40% coverage per panel with the buytl mat and a combined foam and mass loaded vinyl in places like around the gearbox. Hopefully I can make it nicer for long trips without adding much weight. Being a 78 mine had a good amount of tar layer anyway before I removed it for restoration.
     
    Woody928 likes this.
  11. uk66fastback

    uk66fastback
    Z Club Member

    I know covering panels completely (as I did) will add extra weight, but unless you're racing the thing, does that really matter? I'm sure most people who've had the car a while probably weigh more than they did a decade ago when they got it - have they noticed the sluggishness of the car after they've piled one a stone or two - I bet not! Obviously there's the extra cost as well though of the extra material.
     
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