Carter Thermoquads ~ 'More General Information'
Hipolito,
Yes, there is difference in Horsepower Ratings {as per the NHRA 'Stock Class'}
* 1968 -thru- 1970 > 340/275 HP ........... 290 HP
* 1971 ................. > 340/275 HP ............295 HP
The 1971 Carter Thermoquad is generally regarded as delivering
approximately {5 to 7} Horsepower over the Carter AVS.