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Discussion Starter #1
NEW MOTOR DIDNT MAKE IT HALF A SEASON, SO NOW NEW SHORT BLOCK ARRIVING NEXT WEEK. 4.560 BORE 4.75 STROKE 620 CUBIC INCH WITH BILLET CRANK THIS TIME. BASICALLY .040 UNDER 632. COMPRESSION RATIO MEASURED 15.2:1, MIGHT LOOK AT GETTING IT LOWER. I HAVE BMF 385 HEADS(2.30 INTAKES) JESEL ROCKERS, OLDER MERLIN X INTAKE, PRO SYSTEM 1350 DOMINATOR CARB. NOVA 3350 RACE READY BACKHALF 32X16 TIRE THRU A 1.80 GLIDE WITH 4.33 DANA 60 ALSO RAN 4.88 GEAR. PLAN ON NEW CAM AND NEW INTAKE ANY SUGGESTIONS OR OTHER CHANGES. PLEASE EXPLAIN YOUR SUGGESTIONS. :confused:
 

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Discussion Starter #4
1st build

Crankshaft failure between 1&2 throw and #2 bearing, snapped. It took out the jessel belt drive, busted the big m block, oil pan, cleaned out valves on cyclinders 3-8.
 

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Crankshaft failure between 1&2 throw and #2 bearing, snapped. It took out the jessel belt drive, busted the big m block, oil pan, cleaned out valves on cyclinders 3-8.
OUCH!! feel your loss. I broke a cam couple years back a killed my Merlin block. Good luck with the new combo.
 

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Discussion Starter #6
What I was looking for

I was hoping for some input on +600" intakes and cam people to talk to. No Street use, Drag Racing only.
 

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NEW MOTOR DIDNT MAKE IT HALF A SEASON, SO NOW NEW SHORT BLOCK ARRIVING NEXT WEEK. 4.560 BORE 4.75 STROKE 620 CUBIC INCH WITH BILLET CRANK THIS TIME. BASICALLY .040 UNDER 632. COMPRESSION RATIO MEASURED 15.2:1, MIGHT LOOK AT GETTING IT LOWER. I HAVE BMF 385 HEADS(2.30 INTAKES) JESEL ROCKERS, OLDER MERLIN X INTAKE, PRO SYSTEM 1350 DOMINATOR CARB. NOVA 3350 RACE READY BACKHALF 32X16 TIRE THRU A 1.80 GLIDE WITH 4.33 DANA 60 ALSO RAN 4.88 GEAR. PLAN ON NEW CAM AND NEW INTAKE ANY SUGGESTIONS OR OTHER CHANGES. PLEASE EXPLAIN YOUR SUGGESTIONS. :confused:
Oh Man, why are you yelling at everyone with all CAPS!!!!!!! :rotfl:

Anyway, that sucks that your engine came apart!! :mad:

Good luck with the next one!!

:ragtop:
 

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I run a 565 with a BMF 385 head and a CFE sheetmetal intake. I turn it 8500 and it makes lots of power. I ran a Sniper on my 540 and it ran real well. I here the victor 565 and 632 intakes work real well also. Good luck with your combination. :)
 
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