I swapped my stealth for a victor intake and found a problem!!

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I swapped my stealth for a victor intake and found a problem!!

Post  f250mike on September 19th 2012, 9:45 pm

I have 5 out of 8 intake ports that are black. I'm guessing I have some seriuos valve to seat issues.
I run a solid cam and check the lash every 3 races. So I know the rockers aren't to tight.
The dove heads were built back in 2005 and have lots of mud drag and 1/4 mile passes on them. Maybe 400 passes in total.
Any ideas?

mike
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Re: I swapped my stealth for a victor intake and found a problem!!

Post  69F100 on September 20th 2012, 12:24 am

Mike run it pull the heads over the winter amd do a valve job you dont have many more races this year left do you.
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Re: I swapped my stealth for a victor intake and found a problem!!

Post  rmcomprandy on September 20th 2012, 12:25 am

f250mike wrote:I have 5 out of 8 intake ports that are black. I'm guessing I have some seriuos valve to seat issues.
I run a solid cam and check the lash every 3 races. So I know the rockers aren't to tight.
The dove heads were built back in 2005 and have lots of mud drag and 1/4 mile passes on them. Maybe 400 passes in total.
Any ideas?

mike

FOUR HUNDRED passes on a race engine ...?
I would say it is well past time to get inside and look over things which do tend to wear out.

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Re: I swapped my stealth for a victor intake and found a problem!!

Post  dfree383 on September 20th 2012, 12:47 am

Compression test and a leak down test will give you some indications of whats going on.

Also look for leaky intake gaskets.
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Re: I swapped my stealth for a victor intake and found a problem!!

Post  f250mike on September 20th 2012, 8:11 pm

Randy, I never really considered it a race engine Smile.
It's a low budget deal that I suppose has been neglected a little.
It's been running high 11 second passes. Do you suppose the exhaust valves are about the same?
Guess I'll find out soon.

Dave, I looked the intake gasket over real good and it appeared to be sealing fine.

Jim, I have 2 more points races and I'm done for the year. I might try to get these heads freshened and make a couple TnT days before snow flies.

Thanks guys
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Re: I swapped my stealth for a victor intake and found a problem!!

Post  4604X4 on September 21st 2012, 12:29 pm

What are the engine specs?
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Re: I swapped my stealth for a victor intake and found a problem!!

Post  f250mike on September 21st 2012, 3:07 pm

It's a .060" over D9 block with stock crank, truck rods, and KB137 pistons.
Ported Dove heads with 2.19in./1.76ex valves. no flow #'s
Cam is a solid flat tappet. 254/261 @ .050 duration. .615/.635 lift
I was running a stealth with 850 holley. The victor is on it now with the 850.
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Re: I swapped my stealth for a victor intake and found a problem!!

Post  f250mike on September 23rd 2012, 1:53 am

Ok, today I tried out the victor intake on the truck.
This spring with similar air and temp the truck went best of 11.76.
The victor swap with no other changes netted me a 11.44. https://2img.net/h/i92.photobucket.com/albums/l26/mudmike/9-22-2012timeslip_zps0065cef4.jpg
I set a goal to run 11.60 this year. I think after today I have next years goal covered also!!

Thanks for the advice Rich Wilhelm!!!!!!!!!! The victor made a huge difference cheers
One more race and I can get the leaky valves and the port match taken care of.

mike
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Re: I swapped my stealth for a victor intake and found a problem!!

Post  Mark Miller on September 23rd 2012, 2:15 am

Congrats on your new best time 3 tenths improvement is good for a intake change.

Later Mark.

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Re: I swapped my stealth for a victor intake and found a problem!!

Post  LivermoreDave on September 23rd 2012, 7:04 am

rmcomprandy wrote:
f250mike wrote:I have 5 out of 8 intake ports that are black. I'm guessing I have some seriuos valve to seat issues.
I run a solid cam and check the lash every 3 races. So I know the rockers aren't to tight.
The dove heads were built back in 2005 and have lots of mud drag and 1/4 mile passes on them. Maybe 400 passes in total.
Any ideas?

mike

FOUR HUNDRED passes on a race engine ...?
I would say it is well past time to get inside and look over things which do tend to wear out.


As Sir Randy writes, all things being as they are, 400 (+/-) runs, I would think there would be a bit of "dirt" up the intake runners (tract). I would be curious at the end of your season, if the Victor's runners are discolored! Let me commend you on a good build that has brought you excellent service. Again as Randy wrote, time to give her the once over!

JM$0.02,
Dave.

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Re: I swapped my stealth for a victor intake and found a problem!!

Post  BOSS 429 on September 23rd 2012, 4:51 pm


Thanks for the advice Rich Wilhelm!!!!!!!!!! The victor made a huge difference cheers
One more race and I can get the leaky valves and the port match taken care of.

mike[/quote]


Your welcome mike, Now you know how I feel about the torino engine,over 600 passes,and 10 years of run time on it, 8 different intakes,( 3 differnt victor intakes ) 10 different carbs 4 different converters tried ,5 different gear ratios, including a low gear set in the c6,2 different c6 trans ,valve bodies,and then we added nos,lol it needs a freshen,but we learnd some things testing .
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Re: I swapped my stealth for a victor intake and found a problem!!

Post  yellowhorse7 on September 23rd 2012, 9:40 pm

BOSS 429 wrote:
Thanks for the advice Rich Wilhelm!!!!!!!!!! The victor made a huge difference cheers
One more race and I can get the leaky valves and the port match taken care of.

mike


Your welcome mike, Now you know how I feel about the torino engine,over 600 passes,and 10 years of run time on it, 8 different intakes,( 3 differnt victor intakes ) 10 different carbs 4 different converters tried ,5 different gear ratios, including a low gear set in the c6,2 different c6 trans ,valve bodies,and then we added nos,lol it needs a freshen,but we learnd some things testing .[/quote]

That Torino motor runs pretty good....
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Re: I swapped my stealth for a victor intake and found a problem!!

Post  Barney on September 23rd 2012, 9:52 pm

yellowhorse7 wrote:
BOSS 429 wrote:
Thanks for the advice Rich Wilhelm!!!!!!!!!! The victor made a huge difference cheers
One more race and I can get the leaky valves and the port match taken care of.

mike


Your welcome mike, Now you know how I feel about the torino engine,over 600 passes,and 10 years of run time on it, 8 different intakes,( 3 differnt victor intakes ) 10 different carbs 4 different converters tried ,5 different gear ratios, including a low gear set in the c6,2 different c6 trans ,valve bodies,and then we added nos,lol it needs a freshen,but we learnd some things testing .

That Torino motor runs pretty good....[/quote]i houht it was retired to cruise night beauty queen duty?
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Re: I swapped my stealth for a victor intake and found a problem!!

Post  Barney on September 23rd 2012, 9:53 pm

Thought...ughhh
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Re: I swapped my stealth for a victor intake and found a problem!!

Post  BOSS 429 on September 25th 2012, 11:42 pm

That Torino motor runs pretty good....QUOTE;




lol,you should know, you have its sister
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Re: I swapped my stealth for a victor intake and found a problem!!

Post  BOSS 429 on September 25th 2012, 11:44 pm

Barney wrote:
yellowhorse7 wrote:
BOSS 429 wrote:
Thanks for the advice Rich Wilhelm!!!!!!!!!! The victor made a huge difference cheers
One more race and I can get the leaky valves and the port match taken care of.

mike


Your welcome mike, Now you know how I feel about the torino engine,over 600 passes,and 10 years of run time on it, 8 different intakes,( 3 differnt victor intakes ) 10 different carbs 4 different converters tried ,5 different gear ratios, including a low gear set in the c6,2 different c6 trans ,valve bodies,and then we added nos,lol it needs a freshen,but we learnd some things testing .

That Torino motor runs pretty good....

I thouht it was retired to cruise night beauty queen duty?[/quote] < no,I should,but for now its just resting
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