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| 1300 Spitfire Big Valve Head Conversion http://forum.triumphdolomite.co.uk/viewtopic.php?t=34722 |
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| Author: | Starstreamer-92 [ Sat Feb 09, 2019 3:16 pm ] |
| Post subject: | 1300 Spitfire Big Valve Head Conversion |
Hello everyone, first post. Just an enquiry to see if anyone knows if there is a difference between 1296cc and 1500cc Spitfire big valve heads in terms of keyways and casting uniformity for putting onto a Toledo engine. I have plans to do some tuning to my 1975 Toledo. Twin SU2, Fast Road profile cam and stainless club exhaust, but require a larger port (big valve) Spitty head too. One on ebay at the moment but seller won't say if it's off a 1300 or a 1500 ? Are they the same ? Regards. |
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| Author: | Jod Clark [ Tue Feb 26, 2019 5:09 pm ] |
| Post subject: | Re: 1300 Spitfire Big Valve Head Conversion |
The head castings are the same, just skimmed heavily for the 1300 to bring the compression ratio back up. |
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