mercruiser cam and water pump questions - 01/02/09 06:47 PM
Putting together a 250 motor for a somewhat hopped up street project. I plan on putting it in a full size chevy car (mid 60's impala, biscayne, bel-air or similar). I'm looking to make it kinda of mean for the street.
I've built a 292 that is made for mild performance, so picking the components was easy. Looking to get some input on this build though.
So far I've collected a set of headers and a 4bbl intake. I'm working on getting a HEI dizzy and considering BBC roller tip rockers.
I've considered running a mercruiser cam. I know they act like an RV cam, but I'm wondering about the limitations and what the effective RPM band is. Does anybody have any specs for these cams? I've also considered running a big lift cam with Rhoads lifters for more street friendly manners, but also have bigger power toward the top. I plan on mainly using this car for hustling around town while I finish my other project. Will most likely have a 4spd manual or a Powerglide auto behind it.....maybe TH-350? I'd like to be able to make a few fun passes down the track every now and again for some of the nostalgia flag drags we host annually and not get laughed at too bad. Suggestions welcome.
Other question is about water pump. I know that the 292 water pumps are larger and push more fluid since the impellers are larger/deeper. Would there be any benefit to running one of these pumps on the 250 or is it overkill?
I've built a 292 that is made for mild performance, so picking the components was easy. Looking to get some input on this build though.
So far I've collected a set of headers and a 4bbl intake. I'm working on getting a HEI dizzy and considering BBC roller tip rockers.
I've considered running a mercruiser cam. I know they act like an RV cam, but I'm wondering about the limitations and what the effective RPM band is. Does anybody have any specs for these cams? I've also considered running a big lift cam with Rhoads lifters for more street friendly manners, but also have bigger power toward the top. I plan on mainly using this car for hustling around town while I finish my other project. Will most likely have a 4spd manual or a Powerglide auto behind it.....maybe TH-350? I'd like to be able to make a few fun passes down the track every now and again for some of the nostalgia flag drags we host annually and not get laughed at too bad. Suggestions welcome.
Other question is about water pump. I know that the 292 water pumps are larger and push more fluid since the impellers are larger/deeper. Would there be any benefit to running one of these pumps on the 250 or is it overkill?