Forum: Model A (1928-31)
03-25-2026, 03:25 AM
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Replies: 6
Views: 492
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Forum: Model A (1928-31)
03-24-2026, 01:40 AM
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Replies: 6
Views: 492
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Forum: Model A (1928-31)
11-16-2025, 12:55 PM
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Replies: 22
Views: 1,637
Re: modern shocks
They’re available and in stock in the UK. Not sure about dealers in the US.
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Forum: Model A (1928-31)
11-16-2025, 05:19 AM
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Replies: 22
Views: 1,637
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Forum: Model A (1928-31)
10-30-2025, 08:46 AM
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Replies: 10
Views: 940
Re: New Oil Pump Comment
I didn't use the clamp when testing the prototype pump. I fitted my Burtz block with an early sump so we could swap pumps easily without dropping the sump every time. No knock encountered with the...
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Forum: Model A (1928-31)
10-30-2025, 08:40 AM
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Replies: 84
Views: 6,154
Re: I need a Project
A reliable supply of pistons would be welcome. I'd like to build another engine soon for a new project and we can't get Egge ones anywhere. And waterpumps are always a misery. The stainless shaft...
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Forum: Model A (1928-31)
10-30-2025, 08:23 AM
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Replies: 7
Views: 1,953
Re: New Oil Pump
Over the years I've tested a few new parts on my cars.
This time it was the prototype oil pump for Terry.
I'm running a Burtz engine in my little T roadster. The Rotoshim pump I had fitted was...
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Forum: Model A (1928-31)
10-22-2025, 10:47 AM
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Replies: 10
Views: 522
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Forum: Model A (1928-31)
08-12-2025, 05:35 AM
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Replies: 13
Views: 1,938
Re: Shock
Definitely in production - saw them being made at Rotoshim yesterday...
And very good they are too.
I think Sammy at Arizona Model A might stock them?
...
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Forum: Model A (1928-31)
07-20-2024, 09:40 AM
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Replies: 11
Views: 3,310
Re: Burtz oil pump
I’m running a Rotoshim oil pump in mine. Built in relief valve that they can set to whatever you want.
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Forum: Model A (1928-31)
07-18-2024, 06:11 AM
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Replies: 24
Views: 6,216
Re: Model A shocks
I'd recommend Rotoshims.
Only problem with them is I'm on my third set. And I have four cars...
https://images.vhra.co.uk/resized/hotrodfil/2024/19065f27bc3-0.26a9561cc8593.jpg
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Forum: Model A (1928-31)
07-04-2024, 09:00 AM
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Replies: 5
Views: 1,034
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Forum: Model A (1928-31)
07-04-2024, 05:00 AM
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Replies: 6
Views: 1,036
Re: Pendine 2024
Tuesday afterwards was a cleaning day. Considering what I started with though, I can always do it again...
https://images.vhra.co.uk/resized/hotrodfil/2024/18f9ef75202-0.38d76f86ec374.jpg
...
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Forum: Model A (1928-31)
07-03-2024, 01:21 AM
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Replies: 6
Views: 1,036
Pendine 2024
Took my Burtz block for a little drive to Pendine and take it down the beach.
Friend of mine made a great video of the weekend. Unfortunately he had running problems and didn't get to film much of...
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Forum: Early V8 (1932-53)
07-02-2024, 06:38 AM
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Replies: 13
Views: 1,860
Re: Excellent Pendine Video (not mine).
I asked Rob Firth if he had a head to pattern from. Nope - he said he worked it all out from photographs. Lots and lots of photographs. Built the blower and quickchange himself too...
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Forum: Model A (1928-31)
04-22-2024, 10:50 AM
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Replies: 13
Views: 4,015
Re: Stipe Machine/Specialty Motor Cams
I'm on my third set of Rotoshim shocks. Because I now have them on all my cars...
Couldn't recommend them more highly.
https://img.retro-rides.org/i/v/hotrodfil/7a8011a68746.jpg
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Forum: Model A (1928-31)
10-13-2023, 06:28 AM
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Replies: 25
Views: 7,132
Re: Cylinder heads
Ported B block, Stipe 340 cam, reshaped stock size modern valves, 97 on a Burns manifold and a Snyders cast iron header.
74 is at the end of a half mile sprint and with 3.27 gears it's still...
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Forum: Model A (1928-31)
10-05-2023, 01:33 AM
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Replies: 25
Views: 7,132
Re: Cylinder heads
Just to say - I really like my Brierley head.
It pushed this down the beach at 74mph...
https://images.vhra.co.uk/resized/hotrodfil/2021/17acde4a983-0.3d4e4eb0056f6.jpg
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Forum: Model A (1928-31)
06-26-2023, 06:09 AM
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Replies: 36
Views: 7,336
Re: Shocks - reproduction vs. rebuilt
I've been using the Rotoshims - I have a set on two cars now. Definitely recommend them. If you tell them your application they can be factory tuned. Each shock is dynamically tested after assembly...
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Forum: Model A (1928-31)
03-31-2023, 02:02 AM
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Replies: 10
Views: 2,029
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Forum: Model A (1928-31)
03-31-2023, 01:20 AM
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Replies: 10
Views: 2,029
Re: Billet shocks
Do you mean the Rotoshim shocks?
I’m running a couple of sets. I think Sammy stocks the at Arizona Model A.
I was the original test pilot for them. They’re very good indeed.
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Forum: Model A (1928-31)
03-02-2023, 02:11 AM
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Replies: 46
Views: 12,233
Re: modern shock upgrade
I'm running these. More expensive than tube, but they work, and no exchange necessary.
https://rotoshim.com/
Arizona Model A have them in stock.
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Forum: Model A (1928-31)
10-16-2022, 01:58 AM
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Replies: 41
Views: 7,244
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Forum: Model A (1928-31)
09-28-2022, 07:35 AM
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Replies: 4
Views: 2,471
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Forum: Model A (1928-31)
09-28-2022, 03:31 AM
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Replies: 5
Views: 2,378
Re: Rotoshim Shocks
With the pound freefalling against the dollar the Rotoshims can be had for about $1200 including shipping. The exchange rate is in your favour.
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