Originally Posted by pitts64
It seems to me that 200-210 is too high.
When load is applied to the engine its always seems to be on the brink of pinging.
I'd like to try the 180 but I'm wondering if it will pass emisions.
This truck only has 10,000 miles on it and it seems like it should have much more power. My buddies V-6 Electra is so much more powerful that this Blazer.
Its just like the Bravada you mentioned.
Take this truck back to the dealership... Let them look at it over and over again... If that dealership does nothing, got to another one...
There has to be an issue here somewhere... My cousin had a Jimmy, with that 4300, and it to rant about 200F ( I didn't care for that temp ) But it had plenty of torque, and was happy to get up to speed.... I believe it was a 195 Hp and 255-260ft lbs from that 4300... They never had a problem with it....
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