crane compucam hydraulic roller 20/30 in Lo3
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From: Queensbury
that is ...with 1.6 ratio roller rockers , so figure .03 more lift on the 20/30 specs . Is this too much for a 305 with moded intake exaust , heads ect .. c'mon ...I know someone knows this one . WELL? Waiting ...
Thread Starter
Banned
Joined: Jul 2000
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From: Queensbury
Would someone please help me on this one . my concern is---Milling down a set of L31 vortec heads from 64cc to 55cc , ( basically .045 ) How much room is there for lift ? The sport truck magazine did an article on how to do this AWSOME mod but the crane cam 20/30 is Slightly larger , gross valve lift with 1.6 rockers is 4.59/int , 4.80/exh and duration is 204/int , 214/exh w/116 lobe separation . Should there be a problem ? HHHEEELLLLLLLLPPPPPPPP!
Supreme Member
Joined: Oct 1999
Posts: 2,977
Likes: 1
From: Davison / Troy ,Michigan
Car: 1991 Pontiac Firebird
Engine: 3.8
Transmission: 700r4
Axle/Gears: Dana 60
Chill out man, I don't know the anwser, but someone will. You will get your awnser but just not in a hurry. Were not all on here at the same time. Someone will know what to do though.
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Eric Natzke
91 Firebird 305 TBI (ZZ4 summer of "01")
ASCD Ram Air Hood-3" custom exaust-Flowmaster 80 Series-No Cat-Edelbrock TES Headers (coated)-March Pulleys-TBI Spacer-K&N Open ELement-TransGo Shift Kit-B&M Supercooler 28,000 GVW-Hypertech Thermomaster-160 Stat-3:42 GM Gears-Auburn Posi Unit-Edlebrock Strut Tower Brace-MSD Superconducters-Accel Cap & Rotor
-Rapidfire Plugs-265/50/R15 Tires-Emmison's all Gone
http://members.aol.com/j007golden/91firebird.html
------------------
Eric Natzke
91 Firebird 305 TBI (ZZ4 summer of "01")
ASCD Ram Air Hood-3" custom exaust-Flowmaster 80 Series-No Cat-Edelbrock TES Headers (coated)-March Pulleys-TBI Spacer-K&N Open ELement-TransGo Shift Kit-B&M Supercooler 28,000 GVW-Hypertech Thermomaster-160 Stat-3:42 GM Gears-Auburn Posi Unit-Edlebrock Strut Tower Brace-MSD Superconducters-Accel Cap & Rotor
-Rapidfire Plugs-265/50/R15 Tires-Emmison's all Gone
http://members.aol.com/j007golden/91firebird.html
Thread Starter
Banned
Joined: Jul 2000
Posts: 55
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From: Queensbury
Sorry about the Paranoia , It is just that I just finshed reading that article in the above mentioned mag , and sometimes I get wired . I must not forget what my father used to say " good things come to those who wait ." Plus the fact that I just finished munching down on a ton of helloween candy( cause nobody ever trick or treats in my damn neighborhood---****ers..not my fault nobody else knows how to party ) . Well , anyway thanks for the reasurance! NICE RIDE TOO !
Supreme Member
Joined: Oct 1999
Posts: 2,977
Likes: 1
From: Davison / Troy ,Michigan
Car: 1991 Pontiac Firebird
Engine: 3.8
Transmission: 700r4
Axle/Gears: Dana 60
Hey thanks man. Someone will help u out. Lay off the Snickers for a bit too. Don't want to OD on sugar!
------------------
Eric Natzke
91 Firebird 305 TBI (ZZ4 summer of "01")
ASCD Ram Air Hood-3" custom exaust-Flowmaster 80 Series-No Cat-Edelbrock TES Headers (coated)-March Pulleys-TBI Spacer-K&N Open ELement-TransGo Shift Kit-B&M Supercooler 28,000 GVW-Hypertech Thermomaster-160 Stat-3:42 GM Gears-Auburn Posi Unit-Edlebrock Strut Tower Brace-MSD Superconducters-Accel Cap & Rotor
-Rapidfire Plugs-265/50/R15 Tires-Emmison's all Gone
http://members.aol.com/j007golden/91firebird.html
------------------
Eric Natzke
91 Firebird 305 TBI (ZZ4 summer of "01")
ASCD Ram Air Hood-3" custom exaust-Flowmaster 80 Series-No Cat-Edelbrock TES Headers (coated)-March Pulleys-TBI Spacer-K&N Open ELement-TransGo Shift Kit-B&M Supercooler 28,000 GVW-Hypertech Thermomaster-160 Stat-3:42 GM Gears-Auburn Posi Unit-Edlebrock Strut Tower Brace-MSD Superconducters-Accel Cap & Rotor
-Rapidfire Plugs-265/50/R15 Tires-Emmison's all Gone
http://members.aol.com/j007golden/91firebird.html
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