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Old 11-18-2003, 10:13 PM
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350 crate hp add ons

hey all,ok i am going to buy the 265 hp crate engine from the dealership. so how can add on some hp for some what cheap. and is a new crate a good idea or should i just get one rebuilt but i feel rebuild shops are going to ******* me. but a friend of mine said crate engines are not has high quality as we would think. he said its how fast that guy can put it together and get to the next one . so what should i do? i still like the crate idea thx for the help...
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Old 11-18-2003, 10:32 PM
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Is that the goodwrench one?
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Old 11-18-2003, 10:47 PM
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yes it is
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Old 11-18-2003, 10:55 PM
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blue85 those crate engines are a good place to start and are pretty reasonable. I would get a mild cam like the summit1003 or the xe256h that has .447 lift on the intake and .454 on exhaust. that will give u some good hp for cheap
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Old 11-18-2003, 11:02 PM
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Thumbs up

are stock valves ok with that cam what else would be good for adding hp cuz i have about 350 extra after that
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Old 11-18-2003, 11:37 PM
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yeah stock heads should work just fine with xe256 cam or the summit1003 cam and another way to pick up some hp would be to put on some headers if u dont already have them.
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Old 11-19-2003, 09:18 AM
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I would highly recommend a Jasper. Every engine is
run to check for leaks and problems. The quality is second
to none. Since the engine has been run, break in is done, proper
oil to all parts is there, plus with a 3 year 75K warranty nationwide you really can't go wrong. You can also order the engine with a cam up grade and SR torquer heads. Give you a
good 300 HP set up.

Cstraub
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Old 11-19-2003, 10:55 AM
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I second the Jasper engines suggestion. I know of several in local street rods and the owners are very pleased with them.

Vince
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Old 11-19-2003, 03:25 PM
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ok guys i would like to add some hp to the crate 350 .should i port and polish heads mabey mill them I want to cange the vavles to macth cam. i heard that the new rods in them are cool. so what part combos are out there????
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Old 11-19-2003, 03:45 PM
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What is the Budget? What you have listed is
a good start to make power but it all equates
to dollars spent. Heads and cam is where the
power is at.

Cstraub
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Old 11-19-2003, 10:18 PM
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ok after the engine i ll have 300 to spend but with christmas my family will buy some parts too soo in total about 600 ... thx
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Old 11-19-2003, 10:21 PM
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what kinda vehicle is this going in? What tranny and what rear gears are you running? Just Curious
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Old 11-19-2003, 10:38 PM
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i just got the tranny back from the shop 2 weeks ago it is a 700 r4 complete rebuild some mods not many the car is a camaro with posi in the *** end
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Old 11-19-2003, 10:45 PM
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If it was me...I would buy a short block.From a company with a good reputation or from GM.
As mentioned the heads and cam are the keys to power.Any head you buy from the factory can be beat by an aftermarket company.
Everyone is hot on the GM Vortec heads.As they should be,they are the best flowing regular factory production heads for a small block to date.They are even better than the World Products S/R Torquer heads.The real drawback is that they require a special intake manifold to use.This greatly limits your intake manifold choices.
What many haven't seen is that a company called Pro Topline has bean producing Vortec heads for about two years now.They will slightly out flow the factory GM Vortec heads in stock fashion,and they are thicker around the ports and they also have thicker decks.This means they are a more durable head that is going to last longer than the thin casting GM Vortec head.They also require the dedicated Vortec intake manifold.

Now wile this sounds good,they also offer a head called a Torker.It has a D shaped combustion chamber versus the heart shape.It features the same Vortec port but it accepts a regular intake manifold.Now you have a lot more options.

You sound like you are going to be wanting a modest amount of power so one of these is what I would go for.
You can get the Vortec head for about $600. from Mike Stark at http://www.cfmperformance.com./
They come with better valve springs than a GM Vortec and they don't require machining for cams with .500 lift.The GM Vortec requires this machining for extra cost.That puts the GM Vortec head at about 50-100 bucks more than the Pro Topline's.

As for a cam I would go with a Comp Cams XE262H-
262 270 218 224 462 469 110
You can use a stock converter, a 342-3.90 gear should be used.You can use a 3.08-3.31 gear and get away with it but it won't be as good of a match with the powerband.It will also love a 2400-2600 converter,but these are things you can add if you want more performance later.

Last edited by thrasher; 11-19-2003 at 10:53 PM.
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Old 11-19-2003, 10:55 PM
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hey thx for the post..about how much would that run me? i really do know of a place to get a short block for a good price and i want it to be quality ..thx..
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