[DeTomaso] Torque plates

[pantera at kommevalla.se]

I have some Aluminium plates that are 45mm (1-3/4") thick that I can  
use. Do you think that thickness is enough?

Fredrik

Quoting JDeRyke at aol.com:

> In a message dated 11/8/07 9:17:11 AM, pantera at kommevalla.se writes:
>
>> I'm going to make a pair of torque plates for using when honing
>> the cylinder bores. Anyone that have the correct measurements of   
>> the bolt patterns and
>> the cylinder bores?
>>
> Some shops simply use a set of head gaskets for their pattern on a slab of
> steel plate. Note there are a couple of things to consider. First,   
> we should use
> use ALUMINUM torque plates when working with alloy cylinder heads, as the
> stresses put into blocks are different than with iron heads. And if   
> you're going
> to use studs in place of bolts, that also changes things.. Second, the
> originator of the idea- Smokey Yuinick- took iron Chevy cylinder   
> heads and bored the
> cylinder holes clear through the combustion chambers to make the first torque
> plates. If you have trashed stock heads (2V or 4V), this could be used and
> would be cheaper, lighter and easier to move around the shop. Finally, Smokey
> also found that it was necessary to torque the main caps on, and with Chevy
> blocks, the oil pump attaching bolts, all of which twisted the bores  
>  measurably.
> In the POCA News of August '98, I wrote an article in which the actual bore
> readings with & without a torque plate were listed for one member's engine as
> they rebuilt it. Due to core-shifts in a 351-C, there are some very   
> odd twists
> that can occur!   Good luck- J DeRyke
>
>
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