Cometic gaskets can make just about Thickness you might need.
Nick
Sent from the wilds of NorCal
> On Jul 22, 2020, at 8:50 AM, jpaynepbr@cox.net wrote:
>
> I'm going to be installing a Judson Supercharger on my TR3 this fall. I
> have acquired the rebuilt supercharger, manifold, carb and a specially built
> dizzy.
>
> I'll need some sort of thicker head gasket to lower the compression from its
> current 9.3/1 to a more suitable 8.7 (ish)/1 Anybody have any idea where to
> get it and what to use for the thicker head gasket?
>
>
> -----Original Message-----
> From: Triumphs <triumphs-bounces@autox.team.net> On Behalf Of bill beecher
> Sent: Tuesday, July 21, 2020 6:45 PM
> To: Jerry Van Vlack <jerryvv@roadrunner.com>
> Cc: triumphs@autox.team.net
> Subject: Re: [TR] Copper head gasket: Which side up?
>
> My bad, that part number is for a lower end set from BPNW.
> Bill
>
> #dontkillgrandma
>
> On Jul 21, 2020, at 6:49 PM, bill beecher <notakitcar@yahoo.com> wrote:
>
> Thank you all, smooth side up it is.
> Gasket and 87mm pistons and liners all came from TRF, Lucas p/n EC510L.
> Head and deck are stock.
>
> Tony, yes the edge on the water holes are rolled, so Iâ??ll leave them alone.
>
> Cheers,
> Bill B
>
>
> #dontkillgrandma
>
> On Jul 21, 2020, at 6:30 PM, Jerry Van Vlack <jerryvv@roadrunner.com> wrote:
>
> Adding to what Tony says, the gasket should NOT protrude into the bore.
>
> Questions:
> What is the bore? 86, 87 or 89 mm?
> Where did the gasket come from and what brand is it? What is it's Part Number?
> How much is milled off the head?
>
> I've been through this and the only thing working for me is to find an
> original AE 330 copper gasket. NOT the Repro 330 gasket. The originals are
> getting hard to find.
>
> And be certain to re-torque the head.
>
> With .070 milled off the head and 87mm liners and an original AE 330 HG I'm
> able to keep the gasket out of the combustion chamber.
>
> Your results may differ.
>
> JVV
>
> -----Original Message----- From: Tony Drews
> Sent: Tuesday, July 21, 2020 6:05 PM
> To: triumphs@autox.team.net
> Subject: Re: [TR] Copper head gasket: Which side up?
>
> Smooth side goes up.
>
> It's better if the gasket doesn't protrude, hard to do if the head has been
> milled at all.
>
> I've not messed with the water holes, no firm answer on that one. If the
> edge of those is rolled over I'd leave alone, if it exposes the composite
> part of the gasket it's OK to open up a bit.
>
>> On 7/21/2020 4:57 PM, bill beecher wrote:
>> Reassembling the TR3 motor for the old Morgan and I am dry fitting the head
>> gasket. Two questions:
>> 1. Which side goes up, smooth or the rolled over side?
>> 2. On a couple cylinders the gasket protrudes into the bore by about 1mm, is
>> this OK?
>> 3. At the front the holes in the gasket do not match exactly with the
>> water passage, is it OK to open those up just a bit? (The back aligns
>> perfectly)
>>
>> Thanks,
>> Bill B
>> TS74313E
>>
>> #dontkillgrandma
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