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#1 |
Account Suspended
Join Date: Apr 2008
Location: Hesperia, Ca
Posts: 1,332
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Another roller cam conversion question...
I've got a '90 454 out of a Suburban that I'm going to be swapping into my dually. I think I'm going to go with a roller cam.
Is there any reason I can't just go to the local pick 'n pull and yank all the roller cam stuff off a Vortec block to retrofit into my '90? Yes, my '90 block has the roller cam girdle bosses cast into the lifter valley. |
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#2 |
Registered User
Join Date: Jul 2009
Location: washington
Posts: 4,178
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Re: Another roller cam conversion question...
You Prob can but I don't think there will be much power gains
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377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511 |
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#3 |
Account Suspended
Join Date: Apr 2008
Location: Hesperia, Ca
Posts: 1,332
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Re: Another roller cam conversion question...
Going more for mileage (in a 454, ha!) and longevity. Plus, I don't really want to have to hand-wring over all the zzdp controversy.
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#4 |
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![]() Join Date: Sep 2010
Location: New Hope, PA
Posts: 279
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Re: Another roller cam conversion question...
The vortec blocks have a plate that bolts to the valley to hold the roller lifters in so i dont know if it would work
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1985 c10 355 th350 (working on 4 speed conversion to super t10) 1979 camaro 358 super t10 2003 f250 superchip slp exhaust |
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#5 |
Account Suspended
Join Date: Apr 2008
Location: Hesperia, Ca
Posts: 1,332
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Re: Another roller cam conversion question...
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#6 |
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![]() Join Date: Sep 2010
Location: New Hope, PA
Posts: 279
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Re: Another roller cam conversion question...
Missed that part my bad.
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1985 c10 355 th350 (working on 4 speed conversion to super t10) 1979 camaro 358 super t10 2003 f250 superchip slp exhaust |
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#7 | |
Registered User
Join Date: Jul 2009
Location: washington
Posts: 4,178
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Re: Another roller cam conversion question...
Quote:
Posted via Mobile Device
__________________
377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511 |
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#8 |
Account Suspended
Join Date: Apr 2008
Location: Hesperia, Ca
Posts: 1,332
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Re: Another roller cam conversion question...
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#9 | |
Registered User
Join Date: Jul 2009
Location: washington
Posts: 4,178
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Re: Another roller cam conversion question...
Quote:
Posted via Mobile Device
__________________
377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511 |
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#10 |
Registered User
Join Date: Jul 2012
Location: Des Moines IA
Posts: 1,250
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Re: Another roller cam conversion question...
As far as the aftermarket rollers go, the early small block retrofit rollers are EXACTLY the same as the Mark IV big block lifters except for the tie bar lengths. That means the V6 rollers will fit the big block lifter bores and be properly oiled. Now as far as the factory Vortec tie bars and spider are concerned, I have no idea if those are the same to hold those V6 roller lifters in place.
Oh, does your block have the cam thrust retainer bosses to use the (I'm assuming here) stock retainer/etc hold the roller cam in place, or will you be using a retainer button with aftermarket timing cover? I guess this question only makes sense if the big block will need these parts as the small block Chevys do... you know what assuming does. LOL!
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- 1981 Sierra 454, NV4500 swap - 2006 Z06, 25k miles - 1973 Nova - Project CarNova Virus on Youtube |
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