PRH's latest activity
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PRH replied to the thread 383 Stroker build.Gonna need a dished/inverted dome piston to meet the CR target(something around 12-14cc). Fast rate HFT cams can be problematic these... -
PRH replied to the thread Please id this cam.Since the MP cams have different lifts for each grind(and 1 bolt for Hyd/3bolt for solid), I’d just measure the lobe lift with a...
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PRH replied to the thread Please id this cam.From what I’ve read, the “paint dab” era MP cams were sketchy at best as to whether they were actually what the paint dabs suggested...
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PRH replied to the thread When good is not enough, Camshaft time again..I’m not looking at datalog screen shots very often…….but, to me……on those two it looks like the converter is flashing 4000 on the first...
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PRH replied to the thread 73 Duster build named Fred.Any plans for one more outing before the season ends?
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PRH replied to the thread When good is not enough, Camshaft time again..Is there a a TPS position indication on the datalog too? I’m looking to see what the rpm trace looks like right before, and after you...
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PRH replied to the thread When good is not enough, Camshaft time again..That would be the preferred sequence of events. Can you post a pic of a datalog from the track, right before and after the launch, that...
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PRH replied to the thread When good is not enough, Camshaft time again..Yup……. It’s real money these days. And to keep a decent level of reliability for street use, there isn’t anything on the list you can...
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PRH replied to the thread Miloon Drive.Imo, for a bronze gear these days, with 6700 miles on it……. That looks pretty good. Yes, it should get replaced now.
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PRH replied to the thread When good is not enough, Camshaft time again..If using premium SR lifters, the swap to a SR from a SFT is about $3000. -cam -lifters -pushrods -oil pump drive gear -thrust button...
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PRH replied to the thread Valvetrain Geometry.And then there’s the issue with the heads. When you try and run 59* heads with a 48* LBA, the lower end of the pushrods wants to occupy...
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PRH replied to the thread Valvetrain Geometry.My experience with valvetrain problems in general is it usually shows up on the intake first. Heavier valves & they often get faster...
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PRH replied to the thread Valvetrain Geometry.I never ran the Cranes with more than about 600lbs open……which is what they were rated for. Only one combo I was involved with had...
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PRH replied to the thread Valvetrain Geometry.Here’s a Comp pro magnum rocker from before they were bushed:
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PRH replied to the thread Valvetrain Geometry.That was from several years ago……. But I believe it was two bushings.
