350 tpi . Cam and Nitrous.
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Car: 1988 IrocZ
Engine: 305
Transmission: 700r4
350 tpi . Cam and Nitrous.
I'm planning on doing a 350 tpi swap where my 305 tpi used to lay. I wanted to know what would be a good cam to use if I was planning on using nitrous? Everything else will stay stock except for the cam (obviously) rockers and springs. Any suggestions? I'll also be running a SuperRam intake instead of the stock TPI intake.
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Junior Member
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Car: 1988 IrocZ
Engine: 305
Transmission: 700r4
Joined: Sep 2003
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From: Pittsburgh PA
Car: 89 Iroc-z
Engine: 555 BBC Turbo
Transmission: TH400
Axle/Gears: MWC 9” 3.00
Re: 350 tpi . Cam and Nitrous.
Stock head deal if modded heads for more lift, and screw in studs i would not go any larger than comp 276hr stuff, 224/230 on a 110-112 or equivalent
A 269hr 218/224 is also a good milder cam with good power on something like that
Will need computer tuned
A 269hr 218/224 is also a good milder cam with good power on something like that
Will need computer tuned
Thread Starter
Junior Member
Joined: Oct 2013
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Car: 1988 IrocZ
Engine: 305
Transmission: 700r4
Re: 350 tpi . Cam and Nitrous.
Cool . Both will work with 1.6 rockers? And will both need a computer tune?
Joined: Sep 2003
Posts: 25,895
Likes: 429
From: Pittsburgh PA
Car: 89 Iroc-z
Engine: 555 BBC Turbo
Transmission: TH400
Axle/Gears: MWC 9” 3.00
Re: 350 tpi . Cam and Nitrous.
Yeah can run themwith 1.6's but heads will need to be setup for higher valve lift than .470-.480 ish. Guide bosses need machined down and studs need pinned or machined for screw in. Then need a valvespring around 130lb seat/350-370 lb open or so
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Car: 1988 IrocZ
Engine: 305
Transmission: 700r4
Re: 350 tpi . Cam and Nitrous.
Would that be a hydraulic roller or a hydraulic flat tappet?
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Joined: Sep 2003
Posts: 25,895
Likes: 429
From: Pittsburgh PA
Car: 89 Iroc-z
Engine: 555 BBC Turbo
Transmission: TH400
Axle/Gears: MWC 9” 3.00
Re: 350 tpi . Cam and Nitrous.
Depends on the motor. Is it a roller block? Your current 5.0 is a roller and you can swap over the roller components if your 350 block is a factory L98 roller block
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Junior Member
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Car: 1988 IrocZ
Engine: 305
Transmission: 700r4
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