cam change what to expect

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Re: cam change what to expect

Post  Straubtech on May 25th 2016, 10:19 am

9 to 1 468 "Sleeper Build" with headers.

RPM lb-ft HP
2400 508.8 232.5
2600 520.2 257.5
2800 543.1 289.5
3000 536 306.2
3200 553.8 337.4 Peak Torque
3400 551.9 357.3
3600 535.9 367.3
3800 530.4 383.8
4000 518.6 395
4200 513 410.2
4400 494.9 414.6
4600 483.1 423.1
4800 463.8 423.9
5000 447.3 425.8
5100 443.2 430.4 Peak HP
5200 432.8 428.5
5400 402.1 413.4

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Re: cam change what to expect

Post  IDT-572 on May 25th 2016, 10:21 am

Thank you............... For years all you saw in shelf cams was like the first worked good in a 355 chevy with a close ratio Muncie in 1970.

But sux on a ford core in any ford engine.

Just showing that a bigger cam can out perform a smaller one if ground correctly.
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Re: cam change what to expect

Post  IDT-572 on May 25th 2016, 10:22 am

Straubtech wrote:9 to 1 468 "Sleeper Build" with headers.

RPM lb-ft HP
2400 508.8 232.5
2600 520.2 257.5
2800 543.1 289.5
3000 536 306.2
3200 553.8 337.4 Peak Torque
3400 551.9 357.3
3600 535.9 367.3
3800 530.4 383.8
4000 518.6 395
4200 513 410.2
4400 494.9 414.6
4600 483.1 423.1
4800 463.8 423.9
5000 447.3 425.8
5100 443.2 430.4 Peak HP
5200 432.8 428.5
5400 402.1 413.4

What cam was in that engine?
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Re: cam change what to expect

Post  Straubtech on May 25th 2016, 10:29 am

IDT-572 wrote:Thank you............... For years all you saw in shelf cams was like the first worked good in a 355 chevy with a close ratio Muncie in 1970.

But sux on a ford core in any ford engine.

Just showing that a bigger cam can out perform a smaller one if ground correctly.

None of these things know what they are....Marketing departments did that. What they all are is air pumps. CID and RPM create the demand. Induction and Exhaust are potential to power. Cam is the brain that makes them work.

In the last 4 years we been working on Diesel stuff. I did not care what the OEM's did on camshaft as I followed my thinking....air pump just in constant detonation. Well my PowerStroke cams are smaller than OEM stuff on duration and exhaust but have a drastic valve event change. I have a 6.4L that makes 1152HP and 1800#/ft

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Re: cam change what to expect

Post  IDT-572 on May 25th 2016, 10:30 am

Straubtech wrote:
IDT-572 wrote:Thank you............... For years all you saw in shelf cams was like the first worked good in a 355 chevy with a close ratio Muncie in 1970.

But sux on a ford core in any ford engine.

Just showing that a bigger cam can out perform a smaller one if ground correctly.

None of these things know what they are....Marketing departments did that.   What they all are is air pumps.   CID and RPM create the demand.   Induction and Exhaust are potential to power.   Cam is the brain that makes them work.

In the last 4 years we been working on Diesel stuff.   I did not care what the OEM's did on camshaft as I followed my thinking....air pump just in constant detonation.   Well my PowerStroke cams are smaller than OEM stuff on duration and exhaust but have a drastic valve event change.    I have a 6.4L that makes 1152HP and 1800#/ft

Shocked
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Re: cam change what to expect

Post  Straubtech on May 25th 2016, 11:58 am

IDT-572 wrote:
Straubtech wrote:
IDT-572 wrote:Thank you............... For years all you saw in shelf cams was like the first worked good in a 355 chevy with a close ratio Muncie in 1970.

But sux on a ford core in any ford engine.

Just showing that a bigger cam can out perform a smaller one if ground correctly.

None of these things know what they are....Marketing departments did that.   What they all are is air pumps.   CID and RPM create the demand.   Induction and Exhaust are potential to power.   Cam is the brain that makes them work.

In the last 4 years we been working on Diesel stuff.   I did not care what the OEM's did on camshaft as I followed my thinking....air pump just in constant detonation.   Well my PowerStroke cams are smaller than OEM stuff on duration and exhaust but have a drastic valve event change.    I have a 6.4L that makes 1152HP and 1800#/ft

Shocked

It gets better gas mileage by 2mpg too!!

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Re: cam change what to expect

Post  Lem Evans on May 25th 2016, 12:02 pm

Surely you didn't put gas in a PowerStroke. Razz

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Re: cam change what to expect

Post  Straubtech on May 25th 2016, 12:04 pm

Lem Evans wrote:Surely you didn't put gas in a PowerStroke. Razz

No sir.  That is a 6.4L.  I think I can post the dyno sheet.

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Re: cam change what to expect

Post  Lem Evans on May 25th 2016, 12:09 pm

Straubtech wrote:
Lem Evans wrote:Surely you didn't put gas in a PowerStroke. Razz

No sir.  That is a 6.4L.  I think I can post the dyno sheet.

I'm not questioning the power claim.

You said "gas mileage"

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Re: cam change what to expect

Post  Straubtech on May 25th 2016, 12:15 pm

Lem Evans wrote:
Straubtech wrote:
Lem Evans wrote:Surely you didn't put gas in a PowerStroke. Razz

No sir.  That is a 6.4L.  I think I can post the dyno sheet.

I'm not questioning the power claim.

You said "gas mileage"

Sorry Fuel Mileage......Thank you for the truck you sold me last year sir. I love that damn thing. I will be back in 2018 to trade for a new one!!!

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Re: cam change what to expect

Post  Lem Evans on May 25th 2016, 12:19 pm

Straubtech wrote:
Lem Evans wrote:
Straubtech wrote:
Lem Evans wrote:Surely you didn't put gas in a PowerStroke. Razz

No sir.  That is a 6.4L.  I think I can post the dyno sheet.

I'm not questioning the power claim.

You said "gas mileage"

Sorry Fuel Mileage......Thank you for the truck you sold me last year sir.  I love that damn thing.   I will be back in 2018 to trade for a new one!!!

What kind on gas mileage does that 6.7 get? Laughing

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Re: cam change what to expect

Post  Straubtech on May 25th 2016, 12:29 pm

17 on Hwy

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Re: cam change what to expect

Post  John Myrick on May 25th 2016, 12:32 pm

My F350 6.7 used to get better mileage than what my F150 gets......14 mpg if I'm lucky, but I have 4.10's in it also with the Ecoboost
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Re: cam change what to expect

Post  Straubtech on May 25th 2016, 12:34 pm

John Myrick wrote:My F350 6.7 used to get better mileage than what my F150 gets......14 mpg if I'm lucky, but I have 4.10's in it also with the Ecoboost

3.73

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Re: cam change what to expect

Post  IDT-572 on May 25th 2016, 12:35 pm

My 97 f250 Power Stroke with 3.55's gets 21 hwy
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Re: cam change what to expect

Post  Straubtech on May 25th 2016, 12:45 pm

IDT-572 wrote:My 97 f250 Power Stroke with 3.55's gets 21 hwy

I working with Swamps on the 7.3 stuff. Bone stock 6.0 with stock injectors and turbo a camshaft change nets 100#/f more torque 800 rpm sooner and equal amount of HP 900 RPM sooner. EGTs are 300 degrees cooler. Fuel mileage increase of 29%. Cam only change.

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Re: cam change what to expect

Post  68formalGT on May 25th 2016, 2:48 pm

John Myrick wrote:My F350 6.7 used to get better mileage than what my F150 gets......14 mpg if I'm lucky, but I have 4.10's in it also with the Ecoboost

Did you change the gears? I've got 3.73's in my Ecoboost, 6" lift with 35's
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Re: cam change what to expect

Post  IDT-572 on May 25th 2016, 2:53 pm

Straubtech wrote:
IDT-572 wrote:My 97 f250 Power Stroke with 3.55's gets 21 hwy

I working with Swamps on the 7.3 stuff.    Bone stock 6.0 with stock injectors and turbo a camshaft change nets 100#/f more torque 800 rpm sooner and equal amount of HP 900 RPM sooner.  EGTs are 300 degrees cooler.   Fuel mileage increase of 29%.   Cam only change.

Can you make a 7.3 cam do the same deal?
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Re: cam change what to expect

Post  68formalGT on May 25th 2016, 4:22 pm

Straubtech wrote:I working with Swamps on the 7.3 stuff.    Bone stock 6.0 with stock injectors and turbo a camshaft change nets 100#/f more torque 800 rpm sooner and equal amount of HP 900 RPM sooner.  EGTs are 300 degrees cooler.   Fuel mileage increase of 29%.   Cam only change.

Pretty impressive, like Blake said can you do that with a 7.3? I have a 96 with 150k miles that I bought new.
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Re: cam change what to expect

Post  Straubtech on May 25th 2016, 4:30 pm

The Powerstroke, Cummins and Duramax average increase with stock tuning has been 50HP and 100#/ft. I have no reason to believe the 7.3 will be different.

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Re: cam change what to expect

Post  rmcomprandy on May 25th 2016, 8:06 pm

supervel45 wrote:I was going to mention, I want to see the dyno pull start as low as possiable, like under 2,000 Rpm so we can compare down low numbers. Almost everyone looks at the peak HP when cam shopping.

You are getting to the point of being a ridiculous nuisence here.
SO, spend the money, build an engine, or two or three or four, and do some dyno testing yourself.  
I know Blake has and Chris has so, you can believe what they say but, you have absolutely no idea except for what you have read or have been told.

If you want to see some dyno tests ... shut up and do them yourself.

I am saying this in the nicest possible way.

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Re: cam change what to expect

Post  supervel45 on May 25th 2016, 10:33 pm

I have run quite a few Fords and Chevy's with many different cams over the years but, your right it was mainly the race track dyno and the street that they where tested on but, and only a few chassis dyno pulls. I'll stay out of your little custom camshaft powwow's and let you guys carry on, usually avoid them anyway.


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HennesseyVS TNT

Post  supervel45 on May 25th 2016, 11:05 pm

Worked for John with Roy and Joe Terpstra, Greg Good in the mix too. Got a little idea about Camshafts, never claimed to be an expert. Interesting that Camshafts made it to the Texas Supreme Court on this deal.

http://caselaw.findlaw.com/tx-court-of-appeals/1243447.html

Sorry to be a Nuisance but, it is a public forum.

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Re: cam change what to expect

Post  maverick on May 26th 2016, 5:58 am

Shocked
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Re: cam change what to expect

Post  rmcomprandy on May 26th 2016, 9:27 am

supervel45 wrote:I have run quite a few Fords and Chevy's with many different cams over the years but, your right it was mainly the race track dyno and the street that they where tested on but, and only a few chassis dyno pulls. I'll stay out of your little custom camshaft powwow's and let you guys carry on, usually avoid them anyway.

This has little to do with camshafts and a lot to do vexation.  You offer all kinds of menial information and other website links but, want everyone else to spend the money and do the actual work to acquire up to date factual data.

It's you turn to do some of what is necessary to know what you are talking about with any authority at all.

Don't just talk about it ... show us.

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