will hyper pistons be fine?

86ttopmustang · Oct 26, 2006

i dont have the money right now for the stroker.

so i was just going to do the plain old 306.

Now my question is will i be fine with the hyper pistons or should i save up a little bit more and get the forged pistons?

85_SS_302_Coupe · Oct 26, 2006

Oh hell......here we go again.

I give my word on this one...i will NOT join in on this war. I stand here on the battleground a neutral party who is not for nor against the hyper piston.

I suggest doing a search....it gets ugly every time this topic shows up. My views on those pistons are often met with defensive opposition and taken as insult...so good luck with that one!

brin0357 · Oct 26, 2006

Depends what your going to do. Non supercharged fairly low CR motor should be fine with hyper's. I would run em all day

86ttopmustang · Oct 26, 2006

i dont plan on puttin any power adders on it?

25thmustang · Oct 26, 2006

I'd run Hypers, but I have my reasons for that, and wouldnt want to start a war over pistons...

Then again my junk is usually cheap and slow, so I use the easy way out !

speedytang · Oct 27, 2006

They are OK as long as they are not made in China. GM has been using Hyper pistons forever and make a lot of power on the LS1-LS2 engines. I myself only used Forged (No China Parts) because of using a Supercharger but you can go a long way with Hyper.

MAC'n89Blckstng · Oct 27, 2006

I have hyper pistons. I needed the cheap rebuild kit so I threw them in there. I plan on pushing the limits and seeing how the Explorer Intake, e303 cam, an GT40's do under 8 pounds on turbo boost! At that point it wont be a DD so if it blows, that just gives me a reason to start over with a DART block and do it right.

Boss 351 · Oct 27, 2006

My cousin has speedpro hypers on his 351... On street tires that car ran 110mph. The engine has something like 12.6:1 CR and runs on a mix race/pump gas. No problems at all with his engine...

bubba-dough · Oct 27, 2006

Just save up for the stroker. Hell for a 306 the block work is basically done for a 331/347. You can get the CHP Street Fighter 347 for $799.

bubba-dough · Oct 27, 2006

http://www.coasthigh.com/Specials/Specials_current.htm

bubba-dough · Oct 27, 2006

Oh ya...NO ITS NOT......its the same one I bought a year ago and also the same one we bought about 2 weeks ago for my pal.

Carb'dCobra · Oct 27, 2006

Alright... Hypereutectic pistons are phenominal for a daily driver, not to say forged aren't either but they're not needed. If you're going to be running a 306 with even some mild modifications, hypereutectic pistons will be fine. You can even run hypereutectic pistons in a stroker motor, so-long as you don't put any power adders on it. NEVER ever use hyper' pistons with blown, sprayed, or turbo'd applications.

millhouse · Oct 27, 2006

Carb'dCobra said:
Alright... Hypereutectic pistons are phenominal for a daily driver, not to say forged aren't either but they're not needed. If you're going to be running a 306 with even some mild modifications, hypereutectic pistons will be fine. You can even run hypereutectic pistons in a stroker motor, so-long as you don't put any power adders on it. NEVER ever use hyper' pistons with blown, sprayed, or turbo'd applications.

Hogwash....there are plenty of people running stock hypers at block splitting levels with power adders. If you have a good tune the hypers have more h/p capabilities than does the stock block.

Snikt89GT · Oct 27, 2006

All 93 and up mustangs have them, so I would say they work pretty well?

GroverDill · Oct 27, 2006

millhouse said:
Hogwash....there are plenty of people running stock hypers at block splitting levels with power adders. If you have a good tune the hypers have more h/p capabilities than does the stock block.

What he said.

25thmustang · Oct 27, 2006

GroverDill said:
What he said.

I agree with these guys... your pistons should out last your block if your not dumb and tune it wrong! I will be running boost on Hypers and will bet the bank my car lasts a good long while with it too!

Carb'dCobra · Oct 27, 2006

Maybe I'm just an a**hole but I was assuming that he wasn't at the kind of level to tune a highly modified motor with hypereutectic pistons. Not to mention most people don't even have the kind of money to have that precise of tuning done to it. The pistons'll be fine, but you really have to know what you're doing. I really meant to STRONGLY suggest you not use them in highly modified applications. I don't really know if I myself would be comfortable with using hypereutectic pistons in a blown motor running at the edge of detonation which is where they make the flattest torque curve, most hp, etc. As for turbos, I have no idea... turbos still perplex the hell outta me, but then again, I've never really takin the time to learn about'em. And as far as spray goes, I don't know if I'd feel comfortable using hyper' pistons in anything above 300 shot, either.

millhouse · Oct 27, 2006

Carb'dCobra said:
Maybe I'm just an a**hole but I was assuming that he wasn't at the kind of level to tune a highly modified motor with hypereutectic pistons. Not to mention most people don't even have the kind of money to have that precise of tuning done to it. The pistons'll be fine, but you really have to know what you're doing. I really meant to STRONGLY suggest you not use them in highly modified applications. I don't really know if I myself would be comfortable with using hypereutectic pistons in a blown motor running at the edge of detonation which is where they make the flattest torque curve, most hp, etc. As for turbos, I have no idea... turbos still perplex the hell outta me, but then again, I've never really takin the time to learn about'em. And as far as spray goes, I don't know if I'd feel comfortable using hyper' pistons in anything above 300 shot, either.

Generally speaking...you really dont need to tune to the ragged edge of detonation when using forced induction. Hell...many get away with no tune at all. Now....you really cant condone this, however I did too with no problem. If you just keep it rich and keep the timing in check there really isnt much else to worry about besides splitting the block or grenading the tranny. Because you are running forced induction...you can usually up the boost a bit and keep it rich to compensate for not having an ideal tune.

RYC CUKR · Oct 27, 2006

Carb'dCobra said:
Alright... Hypereutectic pistons are phenominal for a daily driver, not to say forged aren't either but they're not needed. If you're going to be running a 306 with even some mild modifications, hypereutectic pistons will be fine. You can even run hypereutectic pistons in a stroker motor, so-long as you don't put any power adders on it. NEVER ever use hyper' pistons with blown, sprayed, or turbo'd applications.

Its not about the piston its the tune that is important.

I ran my 93 GT with a 100 shot and no problems.

If you want to ring every last bit of power out of the engine and run right on the ragged edge of detonation then you probably don't want to have hyper pistons. But then do you really want to push it even on a forged piston, you can still put a hole in it.

Keep the tune conservative if you do add a power adder.

Carb'dCobra · Oct 27, 2006

RYC CUKR said:
If you want to ring every last bit of power out of the engine and run right on the ragged edge of detonation then you probably don't want to have hyper pistons. But then do you really want to push it even on a forged piston, you can still put a hole in it.

Unless you have a professional multi-million-dollar operation, then you could buy a new set after every race j/k.

will hyper pistons be fine?

86ttopmustang

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