mack31 Posted February 13 Share Posted February 13 I have a 1951 L fire truck. Looking at the possibility of putting in a diesel. Will a Mack diesel match up with the current trans or would I need a trans as well? also do I have to have the big air filter on the exterior of the hood? Quote Link to comment https://www.bigmacktrucks.com/topic/73862-swapping-a-gas-for-a-diesel/ Share on other sites More sharing options...
tjc transport Posted February 13 Share Posted February 13 i would say new trans, i would imagine a diesel will have way too much torque for the gas trans in the truck and will tear it up in no time. 1 Quote when you are up to your armpits in alligators, it is hard to remember you only came in to drain the swamp.. Link to comment https://www.bigmacktrucks.com/topic/73862-swapping-a-gas-for-a-diesel/#findComment-546611 Share on other sites More sharing options...
mechohaulic Posted February 14 Share Posted February 14 seems to me many variables need mentioning ; such as is this a part-time parade unit' are you the only driver ? why thoughts of change-over ? is a spare diesel engine available ? etc 1 Quote Link to comment https://www.bigmacktrucks.com/topic/73862-swapping-a-gas-for-a-diesel/#findComment-546613 Share on other sites More sharing options...
mack31 Posted February 14 Author Share Posted February 14 I was looking for a little more power, higher speed, would like to travel to farther truck shows. I am the only driver. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/73862-swapping-a-gas-for-a-diesel/#findComment-546626 Share on other sites More sharing options...
terry Posted February 14 Share Posted February 14 1 hour ago, mack31 said: I was looking for a little more power, higher speed, would like to travel to farther truck shows. I am the only driver. If you go from a gas truck and put a diesel in it you’ll have to change rears, gas rears are geared to low. Terry 1 Quote Link to comment https://www.bigmacktrucks.com/topic/73862-swapping-a-gas-for-a-diesel/#findComment-546631 Share on other sites More sharing options...
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