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Laughing Gas
Joined: Nov 2001
Posts: 807
Likes: 1
From: -
top 5
[updated:LAST EDITED ON 14-Oct-02 AT 07:09 AM (EST)]www.vortechengineering.com
If you goto $3000, get the above SC, and you will get the BIGGEST bolt on improvement of 80+ hp and 100+ ft-lbs of torque.
for under $2000, get a k&n, headers, and exhaust, maybe a cam and chip combo for MAYBE 50 hp.
added edit: Sorry, I thought you had a EFI 460, don't pay attention to me... Dunno much about building carbed 460's...
If you goto $3000, get the above SC, and you will get the BIGGEST bolt on improvement of 80+ hp and 100+ ft-lbs of torque.
for under $2000, get a k&n, headers, and exhaust, maybe a cam and chip combo for MAYBE 50 hp.
added edit: Sorry, I thought you had a EFI 460, don't pay attention to me... Dunno much about building carbed 460's...
Junior User
Joined: Oct 2002
Posts: 61
Likes: 0
From: Greenbay U.S.A.
top 5
cam,headers,intake,carb,bigger exhaust and you'll still have a lot leftover.700-800$ is a good chunk of change to take with you and your heads to a machine shop(roller rockers and other valvetrain improvements).
GET RID OF ANY FRICTION POSSIBLE!
GET RID OF ANY FRICTION POSSIBLE!
Thread Starter
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Senior User
Joined: Sep 2002
Posts: 325
Likes: 0
From: mt. shasta california
top 5
>cam,headers,intake,carb,bigger exhaust and you'll still have
>a lot leftover.700-800$ is a good chunk of change to take
>with you and your heads to a machine shop(roller rockers and
>other valvetrain improvements). GET RID OF ANY FRICTION
>POSSIBLE!
Cool, thanks, what do you think the range of hp increase is? Oh, and what kind of intake?
thanks a bunch
>a lot leftover.700-800$ is a good chunk of change to take
>with you and your heads to a machine shop(roller rockers and
>other valvetrain improvements).
GET RID OF ANY FRICTION >POSSIBLE!
Cool, thanks, what do you think the range of hp increase is? Oh, and what kind of intake?
thanks a bunch
Postmaster
Joined: Aug 2001
Posts: 2,882
Likes: 0
From: Nevada
top 5
I'd spend $75 on the materials needed to exhaust port the heads and do that, $250 for a stock valve job, $50 for a gasket kit, $175 for a Comp cam and lifters, $75 for a new timing gear set ('68-71 to get rid of your current 4 degree retardation), $200 for a Performer RPM manifold, $275 for a rebuilt Performer 750 carb, $500 for L&L headers and the remainder for a good 3" exhaust and mufflers.
With your low compression engine, that should put you near 350-375hp and 400+ftlb of torque.
With your low compression engine, that should put you near 350-375hp and 400+ftlb of torque.
Junior User
Joined: Oct 2002
Posts: 61
Likes: 0
From: Greenbay U.S.A.
top 5
Holley 750DP, performer rpm intake,PORT AND POLISH THOSE HEADS!,I have always preferred crane over comp but you cant lose either way(basic rpms:1500-5000 or better),good timing chain,any decent headers will do(L&L,Hooker,Hedman),3" lines with high flow mufflers if street, and you will be running with the big dogs!
My mud machine runs a 547(4.5" stroke and 4.40" bore) Ford BB.Victor intake,victor heads,crane roller cam,powerforged 10:1 pistons,1250 Dominator carb,Hedman 2" primary zoomie headers,and a cloyes double roller chain.Never ran her in public yet but it blows through my 4 foot deep "TEST HOLE" with ease.
My mud machine runs a 547(4.5" stroke and 4.40" bore) Ford BB.Victor intake,victor heads,crane roller cam,powerforged 10:1 pistons,1250 Dominator carb,Hedman 2" primary zoomie headers,and a cloyes double roller chain.Never ran her in public yet but it blows through my 4 foot deep "TEST HOLE" with ease.
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Senior User
Joined: Sep 2002
Posts: 137
Likes: 0
top 5
>Holley 750DP, performer rpm intake,PORT AND POLISH THOSE
>HEADS!,I have always preferred crane over comp but you cant
>lose either way(basic rpms:1500-5000 or better),good timing
>chain,any decent headers will do(L&L,Hooker,Hedman),3" lines
>with high flow mufflers if street, and you will be running
>with the big dogs!
>
>My mud machine runs a 547(4.5" stroke and 4.40" bore) Ford
>BB.Victor intake,victor heads,crane roller cam,powerforged
>10:1 pistons,1250 Dominator carb,Hedman 2" primary zoomie
>headers,and a cloyes double roller chain.Never ran her in
>public yet but it blows through my 4 foot deep "TEST HOLE"
>with ease.
pic please
u got it on a rail job or in a truck?
>HEADS!,I have always preferred crane over comp but you cant
>lose either way(basic rpms:1500-5000 or better),good timing
>chain,any decent headers will do(L&L,Hooker,Hedman),3" lines
>with high flow mufflers if street, and you will be running
>with the big dogs!
>
>My mud machine runs a 547(4.5" stroke and 4.40" bore) Ford
>BB.Victor intake,victor heads,crane roller cam,powerforged
>10:1 pistons,1250 Dominator carb,Hedman 2" primary zoomie
>headers,and a cloyes double roller chain.Never ran her in
>public yet but it blows through my 4 foot deep "TEST HOLE"
>with ease.
pic please
u got it on a rail job or in a truck?
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Postmaster
Joined: Aug 2001
Posts: 2,882
Likes: 0
From: Nevada
top 5
What else have you done to the engine since your last post? if nothing, what is your plan for heads? Stock, or? They, with c/r, determine your cam. Everything added to the shortblock is there to support the cam.