TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

roller cam?

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Old Dec 1, 2003 | 07:08 PM
  #1  
92 305 BIRD's Avatar
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From: BAKERSFIELD
Car: 1992 Firebird
Engine: 305 TBI (LO3)
Transmission: TH-700R4 w/Shift kit
roller cam?

what is the differance from a roller cam and block like the 87 and up and the other kind. is the roller better or what? just wondering because i have herd people talking about roller cam's and blocks. thanks
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Old Dec 1, 2003 | 07:44 PM
  #2  
Formula305FI's Avatar
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From: Orlando, Fl / Ne.Philly
Car: 96 SS, 88 IROC
Engine: Lt1, TPI
Transmission: m6,a4
Axle/Gears: 3.90. 3.73
Roller blocks arent better persay, just the cam profiles have better ramps then flat tappets meaning they will rev a little faster... All in all any block can be made to accept a roller cam now a days, its all in how much you want to spend, there are plenty of gr8 flat tappet cams out there... If i were to get a new engine I would most likely get flat tappet just for the mer fact the cams are cheaper... But its your money do what u want..
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Old Dec 1, 2003 | 09:47 PM
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From: Glen Allen, VA
rollers help with the friction problem of flat tappet cams as well as last basically forever unlike flat tappet cams and lifters. You wont ever hear of a wiped out cam lobe with a roller motor. Roller is better period.
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Old Dec 1, 2003 | 10:33 PM
  #4  
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From: Buckeye AZ
Originally posted by 25THRSS
rollers help with the friction problem of flat tappet cams as well as last basically forever unlike flat tappet cams and lifters. You wont ever hear of a wiped out cam lobe with a roller motor. Roller is better period.
what he said. :hail:
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Old Dec 1, 2003 | 10:56 PM
  #5  
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From: CC, TX
Car: 1999 Yamaha Banshee
Engine: 379cc twin cyl 2-stroke stroker
Transmission: 6 spd manual
Axle/Gears: 14/41 tooth
Originally posted by 25THRSS
rollers help with the friction problem of flat tappet cams as well as last basically forever unlike flat tappet cams and lifters. You wont ever hear of a wiped out cam lobe with a roller motor. Roller is better period.
Except on my wallet...

My brain said roller, my wallet said fuc no!
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Old Dec 2, 2003 | 12:31 AM
  #6  
Formula305FI's Avatar
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From: Orlando, Fl / Ne.Philly
Car: 96 SS, 88 IROC
Engine: Lt1, TPI
Transmission: m6,a4
Axle/Gears: 3.90. 3.73
Originally posted by brodyscamaro
Except on my wallet...

My brain said roller, my wallet said fuc no!

LoL you have the money now getting all the free head work bro, lol... but yea roller is the way to go if u can afford it, if not, ohwell.
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Old Dec 2, 2003 | 05:20 PM
  #7  
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From: grand haven, mi usa
Car: YTG Camaro
Engine: 383
Transmission: TH-350
what benefit

All things equal except cost: What would be the benefit in the roller setup.

Estimated ET difference? All things equal!

Is it really a good bang for the buck buy? Like I choose Cast over Alum. heads!

I thought the steaper curve would be worth it but I am buying a stroker this weekend and would like more feed back on this subject too.
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