Whats that blue Vette run in that 30+ baro?
You don't need a big head or valve on that combo. You don't have much rear gear and the cam is pretty mild. I would not go any bigger than 2.02 valve size and would use 1.94 if you can find a head with that size valve. Keep the ports about 180CC if possible. Big heads and valves are for high RPM combos. You need some port velocity to make a combo like that work. Just remember bigger is not always faster.Hello all,
I am about to begin building an 92 S-10 with my son as his first vehicle. It will be driven to and from school, work, and will see some track time as he ages out of his Jr. Dragster.
Truck is a reg cab so I'm guessing around 3,000 pounds when all said and done.
Trans will be a TH350 or 400
9" with 3.73 gear along with a 275/60 tire.
Calvert Racing stuff in the back.
I have a short block assembled with out cam. Bore is 4.070 x 3.48 stroke= 362ci
Rotator is scat everything is forged. Pistion is flat top 2 valve relief. Must stay pump gas friendly.
I am wanting to go with a solid roller set up around .580 to .600 lift area and 248* to 252* on a 108 or 110 LSA
I will eventually run a plate kit on this set up spraying no more than 175-200hp.
I would run a vic jr. intake with a 750 dp.
I am not sure on what head I would like to put on this. I have a old set of 23* bowtie iron heads. But I am thinking I may want to go to an aluminum head. 195-200cc intake runners. What are you guys thoughts or opinions on this.
Would a 2.05 intake valve be beneficial over a 2.02?
My goal is to get this setup for him to run low 11's to high 10 sec zone on motor.
Is this obtainable? Please discuss and thanks in advance!
A 195cc head with a 2.02 valve is not going to hurt this build....You don't need a big head or valve on that combo. You don't have much rear gear and the cam is pretty mild. I would not go any bigger than 2.02 valve size and would use 1.94 if you can find a head with that size valve. Keep the ports about 180CC if possible. Big heads and valves are for high RPM combos. You need some port velocity to make a combo like that work. Just remember bigger is not always faster.
Yeah, nothing there either.I don't, it was one of those articles that popped up on my phone, I think it was from Dragzine magazine.
Good advice actually.I have to agree with JohnnyDart and Canuc on this one that it might be best to take the truck down a bit for a first time driver. I know you have the utmost confidence in your sone but a pass down the track and a blast on the street are totally different as I'm sure you know. Buddies pushing him to "get on it" or "Race the Civic" turns into loss of traction on sand covered streets and things go bad quickly. Ok, rant over. Lol. I do think the RPM Airgap will work with any head you chose and will keep power down low vs losing it all till 3k rpm with the Vic Jr. I think a 215cc head should get you where you want to be. All just my humble opinion
Build it and he'll get used to it driving it on the street. When you say pump gas, what octane are you planning to run?Okay guys, thanks for your concern of the well being of my boy. Does anyone else have anything to offer regarding the original topic in a technical manner?