C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old May 12, 2026 | 09:17 AM
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I never realized that these brake calipers (C4)

were made in Australia. Who are making the calipers for the c8 today?
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Old May 13, 2026 | 08:51 AM
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The pictured calipers were made by Girlock here in Australia, I remember when the c4 was released there was a red one which was on display under the Girlock banner at Motor show events...cool to see a c4 for the first time as a teenager.
Sorry I don't know who makes the latest brakes.
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Old May 13, 2026 | 09:04 AM
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I think the boosters were made in Australia, too, if I'm not mistaken. The starters were made in Japan. And I think the rubber in India.

Not much on these cars were foreign produced.
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Old May 13, 2026 | 09:21 AM
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Yup, PBR brakes! Patons Brake Replacement. Easy abbreviation for me to remember

Any of your Denso parts were made in Japan.
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Old May 13, 2026 | 11:02 AM
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PBR/Girlock also provided the Brake Master Cylinders. Personally I really like their products! In 1984 this was a big deal, there were many innovations and industry "firsts" with the C4 design and production...truly revolutionary at the time👍
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Old May 14, 2026 | 11:30 PM
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unfortunately PBR closed it Australian factory after 90 years.
The PBR brand name was sold on, now owned by Hitachi/ Astemo. The brake components are now made in China, Thailand and Malaysia.
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Old May 15, 2026 | 07:49 AM
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Originally Posted by blackozvet
unfortunately PBR closed it Australian factory after 90 years.
The PBR brand name was sold on, now owned by Hitachi/ Astemo. The brake components are now made in China, Thailand and Malaysia.
Such a shame.
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Old May 15, 2026 | 01:12 PM
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Not too many people would know about this including me. Great information
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I've always liked the look of C4 calipers. A lot of folks paint em, but I like the look of just the raw aluminum. It's not like they can be seen anyway, given that I kept the stock 90 rims.

When I first picked up my C4 the calipers were filthy with baked on, hard to remove grime. After a really good cleaning with wire wheels they've stayed that way ever since. Now I just give em a quick wash whenever I do a brake bleed and they keep their luster.
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