3.6 & 4 Ltr Speed 6 Engine

[TVR Mart]

I've just back into TVR Tuscan ownership, can anyone tell me, how can you tell the difference in a 3.6 & 4Ltr Engines, I brought my Tuscan a few weeks ago, but would like to know the Answer??

[TVR Mart]

That's great news, I shall have a look tomorrow, I've often wondered how you can tell,
Thanks for your time in replying