[Fot] TR4 ARP Flywheel Bolts Question

[Tony Sheach]

Being serious for a moment on this issue. I ran with the standard arrangement of 4 bolts and 1 dowel with a stock crank and lightened stock flywheel for a while on my rally TR4, which only revved to 6500 rpm maybe, so you'd think that would be ok. Not so, even with new bolts and dowel continued pulsing of the engine between 5000 and 6500 caused the bolts to stretch. I didn't have tabs on at that time. Last time I ripped be flywheel off was on the way home from the petrol station, so wasn't even on an event and trying for anything.

Jacks solution works for me and I'm continually crossing the 'wobbly zone' in the rev range (albeit quickly). 4 dowels would be optimal.

Keep it straight.

Tony

Sent from my iPhone

On 8 Jun 2017, at 04:34, Kas Kastner via Fot <fot at autox.team.net<mailto:fot at autox.team.net>> wrote:

But Chris is that crazy fast German that only turns the engine in his TR-4 to six grand but still runs away from everybody that are turning to 6800 and over.  :-) Therefore his comment does not count.  :-)


Never be beaten by equipment.



Sent from my iPhone
On Wed, Jun 7, 2017 at 3:12 PM, Chris Marx via Fot <fot at autox.team.net<mailto:fot at autox.team.net>> wrote:
I use a steel flywheel and the 4 factory bolts.
To keep them in place, Loctite red.

Cheers
Chris

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