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Re: SB stroker options for track car [Re: AndyF] #432366
08/03/10 03:11 AM
08/03/10 03:11 AM
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Quote:

Car went 145 mph on the shakedown run. Tim says it had plenty left in it. Engine developed an oil leak so that ended the fun for the day.




Awesome! That thing was movin' for a shakedown run.

What did he feel the potentional MPH at that track with current setup?

Re: SB stroker options for track car [Re: autoxcuda] #432367
08/03/10 08:02 AM
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Re: SB stroker options for track car [Re: autoxcuda] #432368
08/03/10 11:41 AM
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Should go 150 mph at this track. Might be a little faster at Willow.

The oiling system needs to be improved though. We thought the new pan would solve the problems but the car is faster and more powerful so the oiling issues have returned.

A dry sump would solve the problems but there probably isn't enough room to fit it all in there.

Re: SB stroker options for track car [Re: AndyF] #432369
08/03/10 02:18 PM
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Any teaser pictures you can release of the Valiant at the track yesterday?

Re: SB stroker options for track car [Re: autoxcuda] #432370
08/03/10 03:34 PM
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Ron Silva Offline
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Can I talk you into putting a Fiberglass hood on that car?

That is a BITCHEN car! I want!


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Re: SB stroker options for track car [Re: autoxcuda] #432371
08/03/10 04:29 PM
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Here is a picture from the pits yesterday.

6120690-pits.jpg (182 downloads)
Re: SB stroker options for track car [Re: Ron Silva] #432372
08/03/10 04:32 PM
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Quote:

Can I talk you into putting a Fiberglass hood on that car?

That is a BITCHEN car! I want!




A glass hood would be a good idea. The steel hood weighs 40 lbs and it limits the air cleaner clearance. A TA style hood or a cowl induction is probably what I'd put on the car.

Tim would in the mood to sell the car yesterday after the oil leak put him on the trailer early. Get your offer in there before he changes his mind and you might just have yourself one of the few Valiants that will hit 150mph on a road race course.

Re: SB stroker options for track car [Re: AndyF] #432373
08/03/10 06:21 PM
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Andy would you care to elaborate on the oiling issues? Where is the leak? You said that an old oiling issue has recurred now that the car has more power and therefore faster. What do think is going on? Oil starvation due to "G" loadings? Accusump can't keep up? I am sure you guys will get it sorted out.

Re: SB stroker options for track car [Re: 5spdcuda] #432374
08/03/10 07:44 PM
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Oiling issues have always been a problem. Whenever the car goes faster the issues come back. Nothing unusual about that, oiling issues have always been a problem for wet sump road race cars.

Tim has tried a bunch of different oil pans over the years as well as different valve covers, dipsticks, breathers, etc. Whenever the performance increases then the g-loads increase and the oiling issues come back.

A dry sump system should solve all of the problems but it costs a bunch and then it all has to be packaged into the car. It isn't easy or cheap but it should solve the various issues that we're seeing.

It is really difficult to package a good oil pan into a stock chassis with headers and a low ride height. Nobody makes a good road race oil pan for these cars so each one needs to be custom built which takes time and money. The R&D process is a little painful when the engine has to be pulled out each time to change the pan.

Re: SB stroker options for track car [Re: AndyF] #432375
08/03/10 09:47 PM
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Thanks for the reply. I kind of thought that was what you were referring to. No doubt about it trying to build a low profile wet sump pan that fits in a confined space and still provides a good oil supply under high "G" loadings isn't easy. Hope you find an affordable solution. Still curious, where was the engine leaking?

Re: SB stroker options for track car [Re: 5spdcuda] #432376
08/04/10 03:05 AM
08/04/10 03:05 AM
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Teardown is yet to occur, appears to be leaking from rear of pan. This is a custom Charlies pan, and he did a nice job. Its my own design to maintain ground clearance its not very deep, but even with kickouts and Accusump its not enough.

The pan doesn't use a gasket. 100% RTV all the way round. Yes, it was hospital clean at assembly, wiped down with brakleen several times. Beads on both sides, squished out nice on assembly. Worked great in the past.

With the old motor the car was about as fast as a C5 Z06, should be able to run with a C6 Z06 once sorted out. Brakes surpassed expectations, never a shortage of power, it just kept pulling as if the wind wasn't there.

Andy's on the right path, I'm ready for something different. If he is willing to unload the 427 motor, I might have a roller for sale.


Tim


68 Valiant- was auto-x now track day car
Re: SB stroker options for track car [Re: auto-xr] #432377
08/04/10 05:04 AM
08/04/10 05:04 AM
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Quote:

Teardown is yet to occur, appears to be leaking from rear of pan. This is a custom Charlies pan, and he did a nice job. Its my own design to maintain ground clearance its not very deep, but even with kickouts and Accusump its not enough.

The pan doesn't use a gasket. 100% RTV all the way round. Yes, it was hospital clean at assembly, wiped down with brakleen several times. Beads on both sides, squished out nice on assembly. Worked great in the past.

With the old motor the car was about as fast as a C5 Z06, should be able to run with a C6 Z06 once sorted out. Brakes surpassed expectations, never a shortage of power, it just kept pulling as if the wind wasn't there.




That's really incredible.

Quote:

Andy's on the right path, I'm ready for something different. If he is willing to unload the 427 motor, I might have a roller for sale.

Tim




Please don't sell it over a leak and lack of a pan. Hotchkis had a custom aluminum Moroso pan that leaked also. They went back and forth, still leaked. It was on their self collecting dust.

I'm workin' on a pan deal. Just getting caught up after pulling two motor/trans' and installing one in a two week period out of a home garage and a complete new suspension on the car.

You've probably got the fastest road race street Mopar in the world right now. Wait until the article comes out and you get some well deserved recognition. You've conquered these challenges in the past. And you will get by this on too.


Re: SB stroker options for track car [Re: autoxcuda] #432378
08/04/10 05:25 PM
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I might be interested in that car as a roller, or possibly with the motor. PM me a price. Ron.

Or,

dragrcr97@charter.net


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Re: SB stroker options for track car [Re: Ron Silva] #432379
08/04/10 07:45 PM
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Ron,

If you're interested in the red '68 Valiant the owner is auto-xr who posted above. You addressed your post back to autoxcuda who has a different A body car. Just trying to be clear about which car you are talking about.

Re: SB stroker options for track car [Re: AndyF] #432380
08/04/10 10:09 PM
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You guys might like this picture. The car was cornering so hard that one of the dust caps came off the spindle. I haven't seen that before. I've seen hubcaps come off a lot but a dust cap is really light.

6123144-dust_cap.jpg (172 downloads)
Re: SB stroker options for track car [Re: AndyF] #432381
08/04/10 10:20 PM
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I can see where you might have some "G" loading related oiling issues. Has Tim ever had a "G Meter" on it? Definitely an impressive machine.

Re: SB stroker options for track car [Re: 5spdcuda] #432382
08/04/10 10:34 PM
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Have you ever used GE silicone primer? Might be worth a try.

Re: SB stroker options for track car [Re: AndyF] #432383
08/04/10 10:38 PM
08/04/10 10:38 PM
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Didn't the old One Lap Valiant have problems cracking the TSW wheels it originally (and briefly) used? BTW, love the 427 emblem!

Re: SB stroker options for track car [Re: AndyF] #432384
08/13/10 03:35 PM
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There is an article in the October 2010 issue of Mopar Muscle that covers the shortblock. Just showed up in my mailbox yesterday.

Re: SB stroker options for track car [Re: AndyF] #432385
08/13/10 05:15 PM
08/13/10 05:15 PM
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El Dorado Ca
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I got my issue a couple of days ago, nice article


1965 Plymouth Barracuda 273 M/SA
1970 Plymouth Duster 360/904 10.60s with J heads
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