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Mazda Rotary Club

General => General Technical => Anything Engine/Performance/Tuning related => Topic started by: Jim_rx7 on March 14, 2007, 08:55:43 PM

Title: aftermarket AST ?
Post by: Jim_rx7 on March 14, 2007, 08:55:43 PM
I read a while back about the plastic ast\'s splitting.

Where could I get a metal one (seen them a while back somewhere) and is it nessecary to change it to a metal one? Also am I right in thinking it\'s the top left of the engine bay area?


PS - where\'s good to buy all 3rd gen rx7 goodies?

Jim:driving
Title: aftermarket AST ?
Post by: interloper393 on March 14, 2007, 09:04:21 PM
Hi bud, any of the vendors n get you one or just keep a eye on the for sale bit, come up quite often :)

Are you going to knockhill this sunday?
Title: aftermarket AST ?
Post by: gonzoninja on March 14, 2007, 09:07:10 PM
Yeeeeeeeeeeah Metal ASTs are good, BUT sometimes they don\'t seal around the cap very well. If someone is selling one find out why.

Some tuners treat the plastic AST\'s as a consumable, a bit like spark plugs and oil filters, you change them as a matter of course at a certain mileage.
Title: aftermarket AST ?
Post by: Illyont on March 14, 2007, 09:08:03 PM
Quote from: Jim_rx7I read a while back about the plastic ast\'s splitting.

Where could I get a metal one (seen them a while back somewhere) and is it nessecary to change it to a metal one? Also am I right in thinking it\'s the top left of the engine bay area?


PS - where\'s good to buy all 3rd gen rx7 goodies?

Jim:driving

AST\'s are sold here:
http://www.greenline.jp/catalogue/bccatpartlist.php?make=Mazda&carcode=FD3S&intake=FI&category=cooling
Title: aftermarket AST ?
Post by: Jim_rx7 on March 14, 2007, 09:10:33 PM
Quote from: interloper393Hi bud, any of the vendors n get you one or just keep a eye on the for sale bit, come up quite often :)

Are you going to knockhill this sunday?

Unsure yet mate... if the Mrs lets me!! lmao
Title: aftermarket AST ?
Post by: Jim_rx7 on March 14, 2007, 09:12:01 PM
Quote from: IllyontAST\'s are sold here:
http://www.greenline.jp/catalogue/bccatpartlist.php?make=Mazda&carcode=FD3S&intake=FI&category=cooling

Anywhere in the UK ??
Title: aftermarket AST ?
Post by: gonzoninja on March 14, 2007, 09:12:23 PM
Oh and the AST is nowhere near the top left of the engine bay. Its next to the intercooler and the radiator. Stock ones tend to have a completely round cap.
Title: aftermarket AST ?
Post by: interloper393 on March 14, 2007, 09:15:03 PM
and says do not open... EVER!! lol
Title: aftermarket AST ?
Post by: Jim_rx7 on March 14, 2007, 09:18:40 PM
Quote from: gonzoninjaOh and the AST is nowhere near the top left of the engine bay. Its next to the intercooler and the radiator. Stock ones tend to have a completely round cap.

any pictures?
Title: aftermarket AST ?
Post by: interloper393 on March 14, 2007, 09:21:08 PM
On the right buddy..
Title: aftermarket AST ?
Post by: Jim_rx7 on March 14, 2007, 09:22:48 PM
:Thumbs-up
Title: aftermarket AST ?
Post by: banned advertiser on March 14, 2007, 11:54:54 PM
Quote from: gonzoninjaYeeeeeeeeeeah Metal ASTs are good, BUT sometimes they don\'t seal around the cap very well. If someone is selling one find out why.

Some tuners treat the plastic AST\'s as a consumable, a bit like spark plugs and oil filters, you change them as a matter of course at a certain mileage.

Unless its for the bling factor, the stock ast is good, remember these cars are 10-14 years old, so to change one every 10 years is not bad. And at tleast you know they work, where some of the Ali ones are causing sealing problems.
Orginal Mazda
http://www.rotaryart.uk.com/acatalog/New_3rd_gen_engine_perf_tuning.html
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