hey i was just wondering if there were any good parts that can be used on a 305 and 350 such as: intake, carb, heads, cam, that would give me some power for now with the carbed 305 until i save up enough to get a 350. Also, say i raise the hp about 30 from what the stock 305 is with the new parts, would this raise the hp about 30 from the stock 350s hp or would i find bigger or smaller gains with a bigger engine. thanks for help.

 

350 heads will work on your 305. the bigger combustion chambers will drop your compression on your 305 but they will work. a manifold for a 350 will also work on a 305. ignition upgrade will also work for 350 and 305. headers, cat back, k&n filter.

any upgrade you do on a 350 will have more of an impact than on the 305, cuz you can do more with the extra air and feul.

 

so is it even worth it to put that stuff on the 305 just for now about a year, and then switch it to the 350 later or is it just a waste of time adding to the 305, becuase if i can gain some power and performance for now ill do it but if its not too much ill save it for the 350. if i can get parts for a 305 and 350 ill do it so i can just swap things over, but i dont wanna waste time installing it if it wont do much for the 305. say i get a good cam, air gap intake and a 650 cfm carb with vortec heads and throw it on the 305 will it be worth the work for the ammount of power it will give me or should i just wait for the 350. thanks.

 

You'll see a nice improvement even with the 305. You can switch anything and everything (excluding a few internal parts) from the 305 to the 350. You won't be really wasting time installing parts on the 305. Since it will give you much needed experience. You'd be suprised how much faster and better you can do things a second time. I say modify the 305 now and when the time comes for a new engine get the 350. You will be happy.

 

yeah, i use the car as a daily driver so i wanna mod it but cant really be without a car for long. This being my first time doing it it will take longer and when i get the 350 im going to build it up out of the car. i was just wondering if i did like heads, intake and carb if itd be a big deal and alot of time. also do you have to adjust timing when you do these, im guessing you do, and how hard is something like that, i have a timing light but i dont know if it works and dont know how to use it. thats something i would want to mess up because i have a friend with a modded talon TSI and his timing belt broke and went out of wack and he bent all the valves and stuff and it costed him like 900 to get his head rebuilt and i dont feel like spending money on a stupid mistake like that. Im not sure if the timing being off in a talon would be the same as a chevy but i dont want to take the chance. Also, what would be the best thing to start with to get some power? im still a student going into senior year and taking engine classes so i can have a better understanding about rebuilding them, so i dont really have that big of a budget but im willing to save up to get the better part instead of all cheap parts, ya know? Would ebay be a good choice or should i go through jegs or summit. thanks again guys, everyone on this board has been alot of help.

 

You wouldn't have to worry about that. The Talon's are interference engines. If the belt breaks the valves are in the way of the pistons. You're almost guaranteed a hefty $$$$ if the belt breaks. Hence the 60K belt change interval on them.

 

You can get 30 HP from exhaust (headers, high-flow cat, cat-back) and if LG4, air cleaner. That's always the best place to start, because without those improvements nothing else you do is going to be much help. Don't waste your money on an aftermarket carb. After exhaust and air cleaner, consider ignition upgrades in the form of aftermarket coil and module.

You don't need a different carb. The one you have is fine for a 305, 350, 383, 406, etc., etc., etc. Don't waste your money on an aftermarket carb. Check the tech articles on what you should do to your q-jet.

Save the rest of your efforts for the 350. Heads, cam, and possibly intake on a fresh 350, with the above, will be a very nice performance package.

Don't waste your money on an aftermarket carb, in case you haven't heard that yet.

 

Why shouldn't he get an aftermarket carb? I have heard nothing but bad stuff about computer controlled Q-Jets. I have a TPI car so my experience on the carb cars doesn't exist.

 

right now i have edelbrock headers, i have no idea what model they are because they were on the car when i got it and they all rusted now. i dont have a cat on my car. Is it better to have a hi-flow cat, or no cat at all. My exhuast consisists of headers, Y pipe and a glasspack coming right off the Y pipe, for now until i can save up for the hooker cat back.

 

If you currently have a CC-qjet (like Ryknow86 apparently does), keep it. What you've heard is from idiots. I wouldn't switch a TPI car over to CC-qjet, though.

A high-flow cat won't make the car run better, necessarily, it'll just make you legal. You hadn't mentioned that you already have headers in your previous posts.

 

You will have to mess with the timing since the distributor will be out if you add a new intake. You don't have to worry about breaking a timing belt. You have a timing chain. Even if it did break it would not destroy the engine. I haven't heard of many timing chains breaking though. If you don't want to mess with timing I don't think your ready for a head/intake/cam swap yet. Read up alittle more until your more confident.

 

On the heads... well it depends. Some you can use, but shouldn't some you can't and some will be fine.

Quadrajets are really really good... so long as they are set up. If you can't do it yourself find someone that is known to do a good job of 'em, like the Carb Shop. They do wonders with distributors as well.

On the 305, If you don't mess with the cam, go with some nice dual plane. If you mess with the cam and heads, you may be able to tune into a Victor Jr.

And try a search, there has been many discussions on the 305 for performance enhancements. We won't be able to cover all that's been said in this thread.

 

i would like to beef up the 305 for now, but i also want parts for a 350. my main focus is on the 350 but i just want somethin to make the 305 faster to show some people up. I would do timing and stuff like intake cam and heads but the only problem is its my first time and i dont want to be down a car for a while cause its a daily driver.

 

there's nothing wrong with the CC-q-jet, im running one right now that came off my LG4 i blew, its on my 78 c10 with a 305, i dont have the sencors hooked up or anything and it still works fine. :lala:

 

i have another question, i knwo if i get a 350 i need a prom burned. What if i did away with the computer all together, would i gain or loose anything from this. i dont really know what exactly the comp is running cause its not fuel injected, maybe ignition and things of that sort. so basically what im asking is whats better a new prom or do away with the whole comp. thanks again guys!