[A.J. DeRousse]

I’ve been doing some research. And it seems I could have decent build with a XE274 cam and 64cc chamber 180cc heads. Along with a 2500 stall and 4.10 gears.
Just wondering what you guys think about this. Just to get me going for now. Then once I go forced induction I can swap to bigger heads to lower my compression.

 

[vinniekq2]

cam

I’ve been doing some research. And it seems I could have decent build with a XE274 cam and 64cc chamber 180cc heads. Along with a 2500 stall and 4.10 gears.
Just wondering what you guys think about this. Just to get me going for now. Then once I go forced induction I can swap to bigger heads to lower my compression.

sounds like you still want to build an engine around some plane jane nothing special flat tappet hydraulic camshaft? The fellas that have posted have gone a long ways past your aspirations,,,

Build your little 350 hp 355 cube engine and put it in a Nissan 240 and drift a little or drag race a little.
When you want to step up to anything semi serious leave the flat tappet hydraulic cams for the beginners

 

[64nailhead]

I’ve been doing some research. And it seems I could have decent build with a XE274 cam and 64cc chamber 180cc heads. Along with a 2500 stall and 4.10 gears.
Just wondering what you guys think about this. Just to get me going for now. Then once I go forced induction I can swap to bigger heads to lower my compression.

Here's the problem with this plan IMO. FT hydro cam implies VERY light valve spring pressures - it's the only way one will live without grinding up lobes. Forced induction to any degree beyond 5-7 psi implies that the spring pressures need to be increased inorder to maintain valve control both over the nose and on the seat due to there is additional pressure (boost) trying to keep the valve open. All of this leads to a cam and spring swap will be needed when the forced induction comes along.

You are at the point now where you could build the motor to handle boost that will be added later. Plan the build and build the plan. It is truly a mistake trying to build a motor around a cam - it will lead to unhappiness and/or wasted money.

 

[BuzzLOL]

sounds like you still want to build an engine around some plane jane nothing special flat tappet hydraulic camshaft? The fellas that have posted have gone a long ways past your aspirations,,,

Build your little 350 hp 355 cube engine and put it in a Nissan 240 and drift a little or drag race a little.
When you want to step up to anything semi serious leave the flat tappet hydraulic cams for the beginners

No need to get insulting of a beginner with limited funds... and flat tappet cams have worked fine for 100 years... Most of us still run them...

 

[BuzzLOL]

I’ve been doing some research. And it seems I could have decent build with a XE274 cam and 64cc chamber 180cc heads. Along with a 2500 stall and 4.10 gears.
Just wondering what you guys think about this. Just to get me going for now. Then once I go forced induction I can swap to bigger heads to lower my compression.

1st step: find out what the engine you have actually is... HP? Quality of parts that were used? Does it have a 4 bbl. carb.? If not, can you score a 4 bbl. carb./intake off one of your relatives other engines? They prolly have bigger carb.s stock than the little 650 CFM carb. size you first mentioned! I assume you already have the truck? How old are you? (it's OK if you're under 16) Where are you located? May be other helpful members nearby... 150,000+ members here...

"Just to get you going" may require only some different pistons and a mild performance cam to get up into the 350 - 375 HP club with an otherwise stock 350... or maybe it's already that powerful... Have you ever worked on an automobile/truck engine before? Go Kart, 3 wheeler, 4 wheeler, or minibike engine before?
.

 

[A.J. DeRousse]

I currently do have the truck already. And I’m 19.It has a Edelbrock 650 carb on it. Along with performer rpm intake.
And I have worked with engines. We built the 305 that’s in it now and put it in. And I’ve done engine work on my civic also. But the 305 has its limits which is why we are going with a 350. I’m currently about 1000 miles away from the engine at some training so I’m not sure what the stock build consists of.
I was hoping to swap over the headers, intake(performer rpm), and Edelbrock carb.
I’m looking for something powerful enough to get me going until I can afford the supercharger. So I’m open to recommendations.

 

[BuzzLOL]

have the truck ... has a Edelbrock 650 carb ... Performer RPM intake ... have worked with engines. We built the 305 ... going with a 350 ... currently about 1000 miles away, not sure what the stock build consists of ... hoping to swap over the headers, intake, and carb. ...
I’m looking for something powerful enough to get me going until I can afford the supercharger. So I’m open to recommendations.

Did you put a higher performance cam into the 305? Smaller engines can be surprisingly powerful when built right... Have you ever driven a stock 2005 Ford Mustang GT with the little base 4.6L/280" engine with a 4 speed manual and its good factory tranny and rear gearing? Feels like a big block engine...

Anyway, the carb. and intake will be adequate to about 400 - 450 HP on a 350... but the Comp 292 you mentioned is a biggish, miserable to daily drive cam that likes single plane intakes, big heads, higher stall, lots of RPMs, and a bigger carb. to breathe right...
.

 

[64nailhead]

No need to get insulting of a beginner with limited funds... and flat tappet cams have worked fine for 100 years... Most of us still run them...

Vinnie isn't being insulting, but rather making sure the young man understands the error of his way that he described how the build is going. He's trying to stop him from 'putting good money on top of bad'. At least that's what I see he's trying to do.

OP - I have to admit that you're in a great spot get some forced induction education. If your 305 is a sound motor, then there is no better time than the present to become addicted to boost. About all you need is a boost ready carb. I'm not familiar with anyone boosting through an Eddie, but all that is needed is a 2 barrel 390 Holley with some basic mods, a basic mod to the distributor and to boost reference the fuel pump. After that a chinesium wastegate, BOV and small turbo. All of this can be had for well under $1000 and perhaps $600 if you can handle the carb mods yourself.

Learn how to tune your fuel (carb) and spark on the motor that you aren't in love with. Then save to build 600-800 hp drift motor.

Sometimes it's just as much fun to 'run what you brung' :thumbup:

 

[ericnova72]

Vinnie isn't being insulting, but rather making sure the young man understands the error of his way that he described how the build is going. He's trying to stop him from 'putting good money on top of bad'. At least that's what I see he's trying to do.

OP - I have to admit that you're in a great spot get some forced induction education. If your 305 is a sound motor, then there is no better time than the present to become addicted to boost. About all you need is a boost ready carb. I'm not familiar with anyone boosting through an Eddie, but all that is needed is a 2 barrel 390 Holley with some basic mods, a basic mod to the distributor and to boost reference the fuel pump. After that a chinesium wastegate, BOV and small turbo. All of this can be had for well under $1000 and perhaps $600 if you can handle the carb mods yourself.

Learn how to tune your fuel (carb) and spark on the motor that you aren't in love with. Then save to build 600-800 hp drift motor.

Sometimes it's just as much fun to 'run what you brung' :thumbup:

This sounds increasingly like the smart move...turbo the 305 along this plan, Amazon or Ebay budget chinesium turbo kit would be easy due to your huge amount of underhood space...once you've learned and gotten familiar with Turbo workings you can do a better base engine and refine a cleaner fitting turbo package and have the truck you want that will drift and still not be an embarrassment at the dragstrip.

EngineMasters on YouTube and Hot Rod magazine have both done features on that low cost Amazon/Ebay turbo kit and provide details on some of the pitfalls and how they sorted it out.

blow up the 305 and your not out anything of great value and nobody will care, just slip another SBC under the turbo plumbing and carry on.

 

[A.J. DeRousse]

I have considered boosting the 305. The only thing is we have a 10.5.1 compression. Which is way to high for boost. So I’d have to lower it to at least 9:0:1 or 8:5:1 preferably

 

[BuzzLOL]

GM turbo'd that 10.5 compression ratio stock way back in 1962 by adding water/alcohol injection...

1,000 HP for $1,000... LOL !!!:

http://www.hotrod.com/articles/ccrp-1009-cheap-turbos-from-ebay-on-a-350-small-block-engine
.

 

[ericnova72]

I have considered boosting the 305. The only thing is we have a 10.5.1 compression. Which is way to high for boost. So I’d have to lower it to at least 9:0:1 or 8:5:1 preferably

Just change the heads out for some 76cc large chamber 350 heads, which are the most common SBC items in the world practically. It will drop you in the area of 2 full points of compression.

these are typically found on any 1972-1985 car or truck 350. almost dime a dozen, you can likely find a decent used set on Craigslist or similar, or check with your local machine shop, they will often have rebuilt pairs of these sitting on the shelf, from customers who never return to pick them up, tyhat you can get for cheap.

That 350 a family member is letting you have most likely has a set of these sitting on it right now.
And they are pretty much worthless for any real performance work on the 350 when you build that later, so it's a win-win.

I'd use the 1.94" intake valve size versions if you can finds them, With a turbo blowing through them it will minumize the shrouding effect the small 305 bore will have with the bigger 1.94" intake valve, which is usually considered a problem on naturally aspirated 305 builds, but the turbo cancels that effect.

 

[A.J. DeRousse]

Very true I didn’t even think about that. I’m sure he does have at least 1 decent set of heads I can use. Now I did reading that a blow through carb would be needed. But also read that if not going over 8psi that wouldn’t be necessary? Tell me if I’m wrong though. Or if I used a carb enclosure I could stick with the stock carb?

 

[BuzzLOL]

The Olds link I put above shows a pull through (side draft) carb. turbo set up...

 

[64nailhead]

Very true I didn’t even think about that. I’m sure he does have at least 1 decent set of heads I can use. Now I did reading that a blow through carb would be needed. But also read that if not going over 8psi that wouldn’t be necessary? Tell me if I’m wrong though. Or if I used a carb enclosure I could stick with the stock carb?

Yes, it's necessary and here's a newsflash - you won't stop at 8 psi - trust me. Here's some good reading : Build a Blow-Through Carb for Less Than $50 - Hot Rod Network

Of course, if you can afford it, a CSU carb is the way to go.

edit : just noticed - I think we are off the original topic/title of this thread - lol

 

[A.J. DeRousse]

So from the recommendations I’m going to turbo the 305 with the heads off a 350 to lower the compression. And once we get that together this summer hopefully. We are going to start building the 350 for turbo in the fall to be ready by next summer.

 

[A.J. DeRousse]

So from the recommendations I’m going to turbo the 305 with the heads off a 350 to lower the compression. And once we get that together this summer hopefully. We are going to start building the 350 for turbo in the fall to be ready by next summer.

 

[arnoldsel]

$$$

My drifting customers that compete...are all 600+hp LS transplant guys. But; you can have fun with less, you just need way more gearing to get the wheel speed up. Wasteful of tires and money? One could argue that of any competitive racing endeavor. We shouldn't cast dispersion upon what others do in the spirit of hotrodding, racing and the pursuit of fun. If it ain't hurting you, don't hinder them.

If you love a sport why not spend some money? Hell I promote Physique contests.Women and men spend thousands on coaches, training, supplements and the cost of competing with travel and so forth. No different. Golf is like on average 75.00 for 3-4 hours of playing.

 

[BuzzLOL]

If you love a sport why not spend some money? Hell I promote Physique contests.Women and men spend thousands on coaches, training, supplements and the cost of competing with travel and so forth. No different. Golf is like on average 75.00 for 3-4 hours of playing.

Golf and physique contests don't pollute the air other people breathe with excess tire smoke... like drifting and burnout contests do...