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#1
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301 stroker build
Being retired and having some time on my hands I decided to build a short deck stroker street engine.Most will ask why but my answer is why not.Turbo blocks are around and usually cheap because most dont think they make a good boat anchor.This will follow up to a post I started in the lobby as I think maybe it belongs here as my plane is to build a calif pump gas street friendly engine.I hired Dave at SD to build me a intake and do a set of heads for the small bore.He chose a E single plane intake to cut down and a set of small valve 15 heads.Plan is for 9.5 CR.He did a 2.05 intake and a CNC 260 @ 600 port job.The crank is a 63 326 unit from a doner engine from a board member.Joe Sherman of Joe Sherman Race Engines will handle the assm and dyno.We are using a BBC rod with a custom piston.The cam will be a hyd roller not yet chosen.I will post pics and tell what kind of problems through out the build.Pic of mocked up engine.Tom
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#2
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pics of crank and main bearing area.Found we need to run a 400 thrust bearing with a 69 thou shim.All other bearing I believe will be 301 mains.Crank will be cut to BBC for the rods.Tom
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#3
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intake a head pics.Tom
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#4
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more mock ups.Tom
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#5
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Intake from top.Tom
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#6
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RPM capability?
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frittering and wasting the hours in an off hand way.... 1969 GTO, 455ci, 230/236 Pontiac Dude's "Butcher Special" Comp hyd roller cam with Crower HIPPO solid roller lifters, Q-jet, Edelbrock P4B-QJ, Doug's headers, ported 6X-8 (97cc) heads, TKO600, 3.73 geared Eaton Tru-Trac 8.5", hydroboost, rear disc brakes......and my greatest mechanical feat....a new heater core. |
#7
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David.I dont think past 6K as I cant put enough cam in it and still be street friendly.Joe Sherman said he will build it like street 383 SBC.He thought we only needed about 230 CFM heads and a cam in the 220-230 range.Dave did not have a CNC program that small.We are shooting for 425 HP which he thought was going to be easy.Tom
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#8
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Sounds interesting, and I agree. Why not?
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#9
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Very nice man that thing will sream with the standerd pontiac heads. Just remember the 301 uses its own lifter.
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#10
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Align hone notwithstanding, would fitting a main cap from a 400 work?
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#11
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Block web would still be too narrow.The shim is by far the best with almost no down side.The shim cant come out as there is a groove for it.Tom
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#12
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That looks like a cool build, Tom!
Is that intake already done for the 301? Also, which 15 heads, I figure the 1968 ones?
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John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." Socrates |
#13
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intake is done.The heads were small valve heard.Dave put a bigger valve in.Tom
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#14
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What final cubic inch?
Sounds like a good platform for a hair dryer. |
#15
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I wonder if P-Dudes shim kit for putting factory large journal cranks in 400 blocks would work with this 400 thrust bearing? It sounds like it's about the same difference in width.
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Paul Carter Carter Cryogenics www.cartercryo.com 520-409-7236 Koerner Racing Engines You killed it, We build it! 520-294-5758 64 GTO, under re-construction, 412 CID, also under construction. 87 S-10 Pickup, 321,000 miles 99Monte Carlo, 293,000 miles 86 Bronco, 218,000 miles |
#16
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power adders dont work for me,I had a PM with Dude.Nunzi told me what I needed,got the material today.Taking to my machinest monday.I think we will end up 4.03 and 3.750.Tom
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#17
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Almost 383 CID
You know, the bore of the 301 is larger than the 350, which required notches when the 2.11 valve heads were used. Yours probably wouldn't need notches and you could use a RA IV head. (or a RA V)
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John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." Socrates |
#18
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Joe thinks we have more than we need for 425 HP now.Tom
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#19
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Interesting combo,Tom.
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It takes considerable knowledge just to realize the extent of your own ignorance. Dr. Thomas Sowell |
#20
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So with the cut-down intake how much was the roof of the head port raised?
Tom Vaught
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"Engineers do stuff for reasons" Tom Vaught Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward. |
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