Was talking to a mate yesterday, one of Aussie's burnout champions. Blown Big Block, methanol and mechanical injection.
He was talking to his engine builder who has observed what he considers remarkably low (i.e. none visually) bore wear, on engines that have even run 5 years between freshen ups...just throw in new rings/bearings and off they go.
He had a theory (or throwawy line) that the burnout cars running methanol seemed to have a level of additional protection provided by the ingestion of copious amounts of tyre rubber, coupled with the methanol.
Now tyres contain lots of cross linked polymers, sulfur compounds and whatnot.
The engines are typically fitted with blower screens only, 3-4mm grid spacing, and they catch a LOT of rubber, so a lot must be getting through.
Started near cold, then run full noise for minutes at a time, they get a lot of fuel down in the sump, and clearly rubber must be going with it.
So more for Molakule and the chemists...is it possible that some EP type protection is being given to the upper ring area as a result of the interaction of tyre rubber and methanol ?
He was talking to his engine builder who has observed what he considers remarkably low (i.e. none visually) bore wear, on engines that have even run 5 years between freshen ups...just throw in new rings/bearings and off they go.
He had a theory (or throwawy line) that the burnout cars running methanol seemed to have a level of additional protection provided by the ingestion of copious amounts of tyre rubber, coupled with the methanol.
Now tyres contain lots of cross linked polymers, sulfur compounds and whatnot.
The engines are typically fitted with blower screens only, 3-4mm grid spacing, and they catch a LOT of rubber, so a lot must be getting through.
Started near cold, then run full noise for minutes at a time, they get a lot of fuel down in the sump, and clearly rubber must be going with it.
So more for Molakule and the chemists...is it possible that some EP type protection is being given to the upper ring area as a result of the interaction of tyre rubber and methanol ?