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#1
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Lifter bore braces
I'm prepping a 400 block for my gasser and looking at lifter bore braces. I used the SD Perf Mega Brace in my current engine and would use the same if they were available.
Looking for suggestions from those that have used other braces. I'm running a hydraulic roller currently with Crower mechanical lifters. It's small enough that a brace shouldn't be required but eliminates one of the things that keep me up at night. Thanks. Tom
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Tom 1963 Lemans -428 +.030, SD Perf KRE heads, turbo 350, 9" Ford 3:90, 11.01@121 1956 Chieftain gasser, 461 stroked 400, SD Perf ported E-heads, turbo 400, Dana 3:70 10.40@125 |
#2
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" Darksiders Rule "
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#3
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Quote:
Thanks
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Tom 1963 Lemans -428 +.030, SD Perf KRE heads, turbo 350, 9" Ford 3:90, 11.01@121 1956 Chieftain gasser, 461 stroked 400, SD Perf ported E-heads, turbo 400, Dana 3:70 10.40@125 |
#4
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1967 lifter bore area is different than 68 up ?
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#5
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In my experience, any brace needs to be custom fit to the lifter bores. I have the SD brace installed on my 474, I had to grind the brace to fit snug on the lifter bores. This is due to core shift amount blocks. So the one designed for a 67 block, would need the same treatment to fit snug. Nothing unusual I think
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#6
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From the person that makes them. They did post the were working on a brace for the earlier blocks but last update was a year ago. I’ll try to find out.
“Originally Posted by catc View Post Curious seeing how you state these are designed for the 988 block , what are your thoughts on a 9779914 block..would there be that much difference? The 48xxxx castings have different contours/shape compared to the earlier 97xxxxx blocks. I’m planing on doing braces for the 97xxxxx blocks but have not had time yet. It would be too much hack and triple amount of epoxy to put the current ones in the early blocks Kris.”
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Tom 1963 Lemans -428 +.030, SD Perf KRE heads, turbo 350, 9" Ford 3:90, 11.01@121 1956 Chieftain gasser, 461 stroked 400, SD Perf ported E-heads, turbo 400, Dana 3:70 10.40@125 |
#7
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All the braces have to be fitted. I had to with all the one's I used even the billet brace. GT |
#8
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Butler doesn’t show them not available?
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#9
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So does Crower say it’s safe to use there solid roller lifters on a hydro cam that does not have the needed ramps to take up lash?
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Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs! And he was not talking about 1/8 or 1/4 mile ETs! 1) 1940s 100% silver 4 cup tea server set. Two dry rotted 14 x 10 Micky Thompson slicks. 1) un-mailed in gift coupon from a 1972 box of corn flakes. Two pairs of brown leather flip flops, never seen more then 2 mph. Education is what your left with once you forget things! |
#10
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Both KRE and Bulter’s offer lifter braces. Butler’s is a SDP brace.
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#11
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I called them today and they do not have any. They said they expect some soon but according to Dave Bisshop’s last update on his webpage they are not operating yet
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Tom 1963 Lemans -428 +.030, SD Perf KRE heads, turbo 350, 9" Ford 3:90, 11.01@121 1956 Chieftain gasser, 461 stroked 400, SD Perf ported E-heads, turbo 400, Dana 3:70 10.40@125 |
#12
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The ramp design is what determines what the lash needs to be. Hydraulic cams do have ramps, they are just very short / small and so that is why the need for a very small lash when running solids on a hydraulic cam. Back in the late '60s I ran an Engle solid roller cam in a SBC where Engle wanted the lash set at 0.012" I and 0.014" E. Stan
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Stan Weiss/World Wide Enterprises Offering Performance Software Since 1987 http://www.magneticlynx.com/carfor/carfor.htm David Vizard & Stan Weiss' IOP / Flow / Induction Optimization - Cam Selection Software http://www.magneticlynx.com/DV Download FREE 14 Trial IOP / Flow Software http://www.magneticlynx.com/DV/Flow_..._Day_Trial.php Pontiac Pump Gas List http://www.magneticlynx.com/carfor/pont_gas.htm Using PMD Block and Heads List http://www.magneticlynx.com/carfor/pont_pmd.htm |
#13
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This setup was recommended to me by Dave at SD. I've been running his Old Faithful cam in my Lemans with Hippo lifters setting lash at .004-.006 cold with no issues for 7 years. Running the same on my '56 with a custom grind from him.
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Tom 1963 Lemans -428 +.030, SD Perf KRE heads, turbo 350, 9" Ford 3:90, 11.01@121 1956 Chieftain gasser, 461 stroked 400, SD Perf ported E-heads, turbo 400, Dana 3:70 10.40@125 |
The Following User Says Thank You to Tom63LeMans For This Useful Post: | ||
#14
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I have used the KRE brace with solid roller.. 270ish @ .050 .700
50+ 9 second runs without issue.
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LIFT HEAVY, LIFE IS TOO SHORT TO BE SMALL! |
The Following User Says Thank You to BILL BOWMAN1 For This Useful Post: | ||
#15
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Thanks for the interest guys ... I haven't really put any weight behind these since I don't have my own cnc equipment ... yet
... and most certainly didn't want to take advantage of Sd performance misfortunes. Yes the #97XXX version is in the works ... along with doing these in steel as it would be the superior solution according to my findings, bonding and movement. Thanks, Kris
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*** THE BIG BRACE is here *** |
The Following User Says Thank You to RUDOLFSSON For This Useful Post: | ||
#16
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I talked with Dave (SD Performance) yesterday (2/22/24) and he had shipped the standard braces a while back to Butler and they should be in stock.
Dave also stated that he had just that day shipped Deluxe braces to Butler so theoretically they should be available late next week.
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If it breaks. I didn't want it in the first place. _____________________________________________ 69 GTO \ 72 FIREBIRD \ 1/2 OF A 64 GTO \ 70 JAVELIN \ 52 FORD PU \ 51 GMC PU \ 29 FORD PU \ 85 ALFA ROMEO SPYDER \ A HANDFUL OF ODD DUCATI'S \ 88 S10 LT1 BLAZER & MY DAILY DRIVER 67 SUBURBAN. |
#17
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Butler said they had some coming. I ordered 2 sets and they were delivered this week.
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Tom 1963 Lemans -428 +.030, SD Perf KRE heads, turbo 350, 9" Ford 3:90, 11.01@121 1956 Chieftain gasser, 461 stroked 400, SD Perf ported E-heads, turbo 400, Dana 3:70 10.40@125 |
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