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Only 16...... Damn I`m 34 and WISH I was in your shoes!
I`m still tweeking my rebuid in which is close to your set up . 1st off.....cylinder heads. If you put on some after market OR Vortecs...you would gain 75 to 100 HP. The heads is where the horsepower is at. Period. I also went with my stock connecting rods. If I would do it over I would go with 6 inch connecting rods. I did not because I did not have the money at the time but now I`m kicking myself for not waiting. It is very easy to work on the top of the engine BUT the lower end must be considered now. I went with Edelbrock rpm heads, compression is at 9:7.1 and on the desktop dyno I have 356 hp. |
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Yeah, I had to save up for 2 months to do it. What exactly is the difference between stock connecting rods and the 6 inch ones you mentioned? So I should be around 320 horses??
What is your setup in? |
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oops
Last edited by Mr. Green; 12-04-2003 at 12:18 PM. |
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Sounds like a pretty decent combo. Except you might want to reconsider your intake. An open plane Dominator is a tad too big for those heads and the 600 cfm carb. OTOH, since you already have it, run it. See if you like it. Manifolds are easy to swap later.
You can bolt it together as it is, but you'd be money ahead to go ahead and have the assembly balanced, resize the rods, and do put in a decent set of rod and cap bolts. And if you haven't done so already, put some LT1 springs on the heads. I'm also using a 270H in my 406 with LT1 springs and stock ported/port matched heads. That cam is pretty choppy in my 406, so it oughta sound pretty radical in your 350. I think though, the next motor I build will probably be one of them 355 screamers. |
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You'll never see the difference in 6" rods in a street engine. The money invested in the rods should go to other things. Otherwise a long rod won't fall off peak power as quickly. I agree the single plane manifold will be the devil in you cereal.
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<<You'll never see the difference in 6" rods in a street engine. The money invested in the rods should go to other things.>>
Meangreen, get the book by David Vizard, "How to Build Max Performance Chevy Small Blocks on a Budget". He mentiones a lot of things where to save money, but as far as the rods are concerned, he recommends getting 6" rods (in addition, he also tries to shave off extra weight off them.). I don't want to start a flame war here, but is there a need for extra volume oil pump? Your compression is 9.5:1. Again according to the above book, anything below should be fine with the stock pump. Anyone? |
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look on this site you can prboly find somthing similarhere ya go
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Thanks for the quick responses.
My fault i forgot to specify it was a dual plane dominator intake. I have got a brand new crank and brand new flywheel. I am gonna give it some new heads later on, which should be not too hard to do with the engine in the car, thats the reason i went ahead and kept the stockers so i could put some high priced heads on it later on. Thats when im gonna do everything to the heads i want. But when you mean LT1 Springs do you mean ones i could pull from a car in the junkyard? And i was wondering how radical that cam will sound? I ordered an engine kit from northern auto parts which included the oil pump, thats the reason for it. Thanks again for the responses. |
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As a rule of thumb you need atleast .045 gap for hei ignition and .035 for points.
I'm 17 and just finished my first engine build I had it dyno'd only to find out that the guy running the dyno didn't set up the weather readings right in the computer so my max torque and hp ratings were really low. I should be pushing close to 300 horse. The port and polish is ok it's just going to take you a while. I wouldn't worry about how much power you're going to put out just be happy when you start it for the first time and it doesn't blow on you. My only advice is to have a good time with it. |
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Hey mean, my set up is in my 1986 WS6 trans Am. I put on the 4th gen hood and spoiler. I went with Comp Extreme cam 274, 2400 stall, Edelbrock rpm heads and all the fixins...forged pistons and crank. I want to toss on a 150 shot of the juice but I need to upgrade my edelbrock performer intake and 600 cfm carb needs to go to a 750 1st.
Good luck man,your on your way. And come back here to ask your questions....I ask alot! |
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