bodsgt6 Posted February 13, 2019 Report Share Posted February 13, 2019 Ive decided to bite the bullet and rebuild my pre 5001 engine number GT6 engine. I was just wondering if anybody has any recommendations of the sourcing of parts, pistons etc im wanting good quality item that doesnt break the bankk if you know what i mean. I only want to do it once and wonder about the quality of the parts of some of the big players. Could anyone give me any wisdom or pointers on the whole engine rebuild thing.Apparently the early engines are different to the later not sure what the differences are but paddocks and rimmers only seem to list parts for the later engines ? Help greatly appreciated. Link to comment Share on other sites More sharing options...
poppyman Posted February 13, 2019 Report Share Posted February 13, 2019 You go far wrong with these guy's. They do mail order if you are not local. http://www.fwthornton.co.uk Tony. Link to comment Share on other sites More sharing options...
Colin Lindsay Posted February 13, 2019 Report Share Posted February 13, 2019 I think the early cars had smaller crank bearings, certainly the centre ones on the crank, while the end ones were large; then Triumph went and made them all the same size, so the later bearings are all the same, but a different size to any of the earlier ones. Consequently you'll need to source four bearings, of two different sizes, none of which fit the later engines. If someone here doesn't have the spec, the size you need will be on the side of the old bearings (I don't have any reference data to hand showing the original dimensions) so if you can get a look at those, any good modern bearing company can advise on a suitable replacement. Pistons are probably all the same, but I'm not sure, given that the crank was strengthened, if the con rods are different. Start a thread in the restoration section and post plenty of photos; it's always appreciated by those who later on may do the same. Link to comment Share on other sites More sharing options...
68vitesse Posted February 13, 2019 Report Share Posted February 13, 2019 I have an early Mk1 Vitesse 2L engine as l understand it the main bearings, big end bearings, thrust washers etc changed at KC5001 HC5001 before that same as 1600 engine. Regards Paul Link to comment Share on other sites More sharing options...
johny Posted February 13, 2019 Report Share Posted February 13, 2019 Have another look at Paddock site as its not very clear but they do stock both engine types bearings (not sure about there being different widths of main bearings used for the same crank though.....). You can tell the difference because unfortunately the earlier bearings are all loads more expensive than the later ones☹️ I take it youve really assessed the state of your engine as, unless its had a catastrophic failure, Im surprised any of these cars have lasted enough miles to need a rebore! Link to comment Share on other sites More sharing options...
bodsgt6 Posted February 14, 2019 Author Report Share Posted February 14, 2019 Thanks for that info . I’m hoping to start works in the spring . I’ll come back on here and update Link to comment Share on other sites More sharing options...
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