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Without an upgraded C3 suspension, I personally think after about 500+Gross HP, the chassis/suspension is just not up to the task straight line performance or more importantly cornering and braking....just me.
Last edited by jb78L-82; Jan 21, 2017 at 08:15 PM.
From the research I have done when I was planning my build I "believe" (and I apologize if I'm wrong) I believe those heads really like to be high up in the rpm range and are kinda doggish down low, especially street driving.
Peak hp isn't everything, don't get caught up on peak #'s, if it's a little under 800 with a great curve and lives where you need it rpm wise that's the way to go.
From the research I have done when I was planning my build I "believe" (and I apologize if I'm wrong) I believe those heads really like to be high up in the rpm range and are kinda doggish down low, especially street driving.
Peak hp isn't everything, don't get caught up on peak #'s, if it's a little under 800 with a great curve and lives where you need it rpm wise that's the way to go.
according to their dyno video they are making around 700 ft/lbs of torque around 4000 rpm, i wish they had a full dyno sheet to show so you could see what it was down low.
i guess if anybody was serious about buying one you could probably call them and get more detailed specs to see if it meets your needs. but really that is probably more power than anybody requires for straight street driving.
May have been the Brodix Head Hunter series heads I was thinking about as the one's that like the higher rpms-I remember considering them because they were way less expensive compared to the 20 degree heads I wound up going with.
OP-what are your goals with the new set up? Drag race?
according to their dyno video they are making around 700 ft/lbs of torque around 4000 rpm, i wish they had a full dyno sheet to show so you could see what it was down low.
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That motor makes more tq than mine does at 4000 rpm- mine only makes 655 at 4000
Mine makes peak tq at 5600 rpm (807 ft lbs) so likely that motor you posted likes to live down low so I was wrong about those heads.
Pump gas 540's have been doing it forever. Even Hyd rollers can do it these days. It's all in the heads/intake/cam combo.
I like to make power as RPM climbs...my last N/A version made 742 lb ft and 871 HP@6800 RPM or so..plus it would hang on and keep power strong past peak.
Makes it easier to hook up and drive. It's going to blow the tires away at lower speeds anyway....so might as well have all you can as the RPM climbs when you're really wanting to have fun.
I was about to post that same engine... you want BIG power ? 925HP on pump gas ....but you gotta pay to play with the big boys.. and that's just the beginning,, transmission, differential must be upgraded to handle that power .....or you will get only ONE hard launch with sticky tires
I use to build a lot of "triple nickles" (555ci)......and they would make an easy 800 + on pump gas with 2005 technology.
The reason for the triple nickle was simple......at 4.560 bore and $3500 for a prepped Big M block......it gave you two more bores for "shelf" pistons......
I use to build a lot of "triple nickles" (555ci)......and they would make an easy 800 + on pump gas with 2005 technology.
The reason for the triple nickle was simple......at 4.560 bore and $3500 for a prepped Big M block......it gave you two more bores for "shelf" pistons......