460 Build help
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Joined: Dec 2009
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460 Build help
alright im building a motor for my truck. here are my options, i got a complete 85 460 completely stock, i also have 70's 429. my question is what should i go with? im wanting a high compression motor (11.5:1) with a automatic. im shooting for 500hp. if i go with the 460 should i put the 429 heads on it? has anyone built a high compression motor recently? what pistons are best (and cheap) let me know what i should get.
which heads to use?
Cam?
Intake?
Pistons?
which heads to use?
Cam?
Intake?
Pistons?
Posting Guru
Joined: Sep 2007
Posts: 2,329
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From: WY
This information is from 429-460.com and gathered by site member DJOHAGIN. This is not my information from a build.
500-525HP 460ci
Intake System:
750cfm Holley DP Carb professionally calibrated for your application
Edelbrock Performer Rpm Intake Manifold
Cylinder Heads:
TFS street heads with mild clean-up (cleaned up good stock heads C9VE, D0VE)
Roller rockers.
Short Block:
Comp Cam XE274H Hydraulic flat tappet cam or equivalent
(Specs:274/286 adv., 230/236@.050, .562/.565, 110 LSA)
Compression around 10.0:1
Stock crank
Eagle I-beam rods
High volume oil pump
Deepened oil pan with windage tray
Exhaust:
1 7/8" headers to dual 3" pipes with H-pipe. Good flowing 3" Magnaflow mufflers or equivalent.
Summary:
91-octane. Keep redline to 6500 rpm.
500-525HP 460ci
Intake System:
750cfm Holley DP Carb professionally calibrated for your application
Edelbrock Performer Rpm Intake Manifold
Cylinder Heads:
TFS street heads with mild clean-up (cleaned up good stock heads C9VE, D0VE)
Roller rockers.
Short Block:
Comp Cam XE274H Hydraulic flat tappet cam or equivalent
(Specs:274/286 adv., 230/236@.050, .562/.565, 110 LSA)
Compression around 10.0:1
Stock crank
Eagle I-beam rods
High volume oil pump
Deepened oil pan with windage tray
Exhaust:
1 7/8" headers to dual 3" pipes with H-pipe. Good flowing 3" Magnaflow mufflers or equivalent.
Summary:
91-octane. Keep redline to 6500 rpm.
Thread Starter
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New User
Joined: Dec 2009
Posts: 7
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i just want that sound that high compression gives. also as im not a big block guy, what if anything needs to be done to oiling system to handle higher compression. and do i need to do anything to the heads if i go with the early 70's 429 head, as far as porting?
FTE Emeritus
Joined: Jan 2006
Posts: 2,288
Likes: 200
From: springfield Missouri area
I would go with the 429, in stock form it is about the compression ratio you want. Cam, INtake, Pistons?? What are you using the engine for ? cruising,racing, etc????
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Laughing Gas
Joined: Aug 2006
Posts: 1,249
Likes: 11
From: oklahoma
scrap the 429 and build the 460 with the 429 heads.i use trw's 2404 in mine.but the stock heads will need much work to run like you want.i run a comp 294 solid in mine on a 108 cl.really to big but thats what i had laying around and works good with NOS.but with my combo it will put out to the ground 460hp.not at the crank.pm me and i'll send all parts in my motor
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