TBucket Engine Project (Dart SHP)

Got my lifters back from Crower today. They did what's called a Flow Test, I'm guessing but I
think it could also be called a Leak Down Test. I searched the web and did find anything on a
Flow Test. They found two more lifters that didn't pass the test.

They sold me the 3 new lifters at a reduced price of $87, on Summit they are $103
https://www.summitracing.com/search?keyword=66310LM-2

FP13_CrowerLifterReturned_00358.jpg
FP13_CrowerLifterReturned_00359.jpg
 
well at least they(CROWER) seem too still have a decent quality control, and competent tech department,
and show some actual concern for the previous customers UNLIKE a great many other manufacturers!
one reason Ive used them as one of my preferred, and a primary source of parts for 5 decades
 
Since it appears that I spun it too high and floated the valves, then I think they were very fair. Not
only did Crower suggest the valves had floated, but also the machinist thought that the valves had
floated since the clip came out of the lifter.

Also there was no charge for Flow Testing my lifters. The whole event was done in a timely manner,
I really didn't expect them until next week.
 
you might want to have your valve spring load rates and clearances re-checked,
BEFORE you re-assemble the engine with the new components, everything might be fine.
but if the valve springs have lost any appreciable valve spring load tension,
that might partly explain the loss of valve train component control,
I doubt you floated the valves unless the valve spring load rate has been reduced,
through age, and use.
 
Since it appears that I spun it too high and floated the valves, then I think they were very fair. Not
only did Crower suggest the valves had floated, but also the machinist thought that the valves had floated since the clip came out of the lifter.

Rick, are you sure one of your kids didn't take your T-Bucket out for a joy ride?
 
I have spun my Pontiac 455s to well North of 7000.
On occassion to 8000 rpm.
Never lost a Lifter retainer clip.

When we were dirt track racing the 010 small bock 369 ci stroker turned 8000 continous and at times 8500.
We never lost a lifter retainer clip.
200 Laps a 1/4 mile at a time with 6.38 - 7.13 gears in the Ford 9 inch rear end.

Losing track of the story.
No Evidence of Valve Float ever took place.
The Positive witness marks of Valve Float is always on the Valve stem tips.
Irregular pattern from roller rockers not present in your photos.

I know what caused it..
No one believes me.
Because MSD Has to be the best.
Because you grew up hearing it since 1970.

It will happen again.
 
Rick, are you sure one of your kids didn't take your T-Bucket out for a joy ride?
Yes, they don't even live at home anymore. Most parents seem to have problems with the kids keep
coming back, but it's just the opposite for us they don't want to live here. Their independence is
important to them.
 
properly tuned, with proper valve train geometry and with the valves properly adjusted,
Ricks engine should rather easily spin about 6300 rpm once the rocker girdles installed,
if the proper valve spring load pressure is still there, so he should be in the 490-530 flywheel hp range.
lets say 400 rear wheel hp and 2400 lbs with him in the T-bucket,car,thus with proper tires and suspension , decent street performance should easily result.
I've built several very similar 383-406 engines,
and even in a 3000 lb vega getting into the very low, to mid 11 second 1/4 mile times is rather easily done., provided the tires and suspension, drive train gearing and converter stall, are properly set up.
with Ricks much lighter T-bucket that should not be overly difficult.
keep firmly in mind this combo was not ever intended to be a racing engine, I could have selected several different components to boost potential power noticeably, but it would inevitably , resulted in a marginal or in some combo choices noticeable loss of street drive-ability and some potential loss in durability, which in my opinion is not generally a wise trade off in a street car engine.

http://www.wallaceracing.com/et-hp-mph.php

http://garage.grumpysperformance.co...gine-project-dart-shp.3814/page-35#post-23579
 
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lets say 400 rear wheel hp and 2400 lbs with him in the T-bucket
Geez just how much do you think I weigh??? Let see now, if the car weighs at most 1800 lbs, then
that makes me ........ I'm not there yet, but believe me I'm working on it. It seems to be going
better the older I get thou !!!!!! :(:(
 
by now I'm reasonably sure you realize when I post a response, in any thread,
or info on this web, site, too most any question, or try to point out useful tips or place related links,
I'm generally thinking long term, I'm thinking of those people ,
who will read the thread years from now ,
just as much as the immediate responses info,as it relates directly, too the current post.
yes your most likely to weight less and thus have much less difficulty making the car even faster,
but the vast majority of people will not have built a car that weights anything close,
to the 2100 lbs or so your T-bucket probably weights, their cars are much more likely to weight in excess of 3000 lbs.
 
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by now I'm reasonably sure you realize when I post a response, or info on this web, site,
too most any question, or try to point out useful tips or place related links,
I'm generally thinking long term, I'm thinking of those people ,

You are being much too serious, I was trying to be funny. But I guess it didn't work !!! :rolleyes:

Did anyone else get my humor??? Is Grumpy the one that needs to chill ???
 
yes more than likely your TOTALLY CORRECT,
please accept my apology if I came off as having no sense of humor.

I just got though cleaning up a huge mess in the kitchen my grand kids left,
they tipped over a bowl of spaghetti, with tomato sauce, and walked away..
AND, at the same time , they also broke a full gallon glass bottle of Ice tea,
and walked away...
.
leaving the catastrophe and mess for me,.....
and the wife yells at me for yelling at them,
when they make ZERO EFFORT to clean up a damn thing.

at the moment...If it was legal... Id put them , and their parents,
all on a bus, with a one way,ticket too outer Mongolia
 
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Rick I think Gtumpy was thinking I was riding with you! Grumpy you might reconsider Lower Mongolia. That is still close! Lol
 
yes more than likely your TOTALLY CORRECT,
please accept my apology if I came off as having no sense of humor.

I just got though cleaning up a huge mess in the kitchen my grand kids left,
they tipped over a bowl of spaghetti, with tomato sauce, and walked away..
AND, at the same time , they also broke a full gallon glass bottle of Ice tea,
and walked away...
.
leaving the catastrophe and mess for me,.....
and the wife yells at me for yelling at them,
when they make ZERO EFFORT to clean up a damn thing.

at the moment...If it was legal... Id put them , and their parents,
all on a bus, with a one way,ticket too outer Mongolia
You would never do it.
I have my own little ones running around here.
Often I post while doing other stuff too.
 
I just got though cleaning up a huge mess in the kitchen my grand kids left,
they tipped over a bowl of spaghetti, with tomato sauce, and walked away..
AND, at the same time , they also broke a full gallon glass bottle of Ice tea,
and walked away...
.
leaving the catastrophe and mess for me,.....
and the wife yells at me for yelling at them,
when they make ZERO EFFORT to clean up a damn thing.


You need a dog. He would enjoy licking up those messes.
 
When I check end play without the cam gear on I have roughly .030 inches. After I install the
cam gear I have .002 inches, measured with a dial indicator. If I grab it by hand I feel zero end
play. It does turn pretty freely by hand.

I can't find any info concerning how to change the end play when you have a step nose came and
thrust plate. Are my only options reducing the thickness of the thrust plate or machining the back
of the cam gear?

FP12_NoCamGear_00349.jpg
 
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