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Old 06-02-16, 11:28AM   #1
meanone
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Default First test pass

Thought I'd share with you guys. This is 6psi. Testing shocks, new tires, bar adjustment and everything else.

https://youtu.be/klJXBKFwCyo
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Old 06-02-16, 01:06PM   #2
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Did I hear that right 8.38
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Old 06-02-16, 01:13PM   #3
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I think it was 6.38 at 108 in the 8th. But I could be wrong.

I went 122 in the 1/8th once, but split a cylinder on that run.
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Old 06-02-16, 03:33PM   #4
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Yeah. 6.38. Converter is way loose. Only made two test passes. First one it ran 110mph. Next one on the brake it went 2.5 tenths quicker in the 60', but 2mph slower. Have to get a converter. These were the first passes.
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Old 06-02-16, 03:35PM   #5
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Nice !
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Old 06-02-16, 06:16PM   #6
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Nice!
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Old 06-03-16, 09:06AM   #7
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Impressive. Glad to see it coming together.
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79 Trans Am
476 IAII, 88mm Garrett turbo. 4000 lb race weight.
Best pass so far 9.65 @ 140. 1.41 60 ft.
4 lbs boost on t-brake. 14 lbs going down the track.
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Old 06-04-16, 12:50PM   #8
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Who's converter?

I'm looking at PTC for my setup.
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Old 06-04-16, 05:41PM   #9
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This converter was never meant for a turbo application. It's a 10" TCI that was redone by PTC for my last engine. I'm gonna go back with a 9.5" PTC converter.
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Old 06-05-16, 01:23PM   #10
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If it's too loose why would you go to a 9,5?

10 inch is going to give more Surface area which will hold better at the top end, Marty chance built my 10 inch after multiple people tried and failed to (adjust) my 9 5. One well known shop did it 3 times I blew through it at the top end every time.

I'd stick w 10 inch personally but give it a shot.
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Old 06-06-16, 01:28PM   #11
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PTC did the 10" I have in my car now. No track time to give feedback though.
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476 IAII, 88mm Garrett turbo. 4000 lb race weight.
Best pass so far 9.65 @ 140. 1.41 60 ft.
4 lbs boost on t-brake. 14 lbs going down the track.
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Old 06-06-16, 11:20PM   #12
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PTC said that over 700hp I need to go with the 9.5" with steel stator. Lane said that he could tighten my 10" up, but if I ran any more boost that it needs the 9.5".
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Old 06-07-16, 10:26AM   #13
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Lane knows his stuff. I will dig my notes out. I think mine is a 10" but maybe we did go 9.5. We discussed several options, and I have both slept and drank since then so who knows....
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Best pass so far 9.65 @ 140. 1.41 60 ft.
4 lbs boost on t-brake. 14 lbs going down the track.
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Old 06-07-16, 11:30AM   #14
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Quote:
Originally Posted by meanone View Post
PTC said that over 700hp I need to go with the 9.5" with steel stator. Lane said that he could tighten my 10" up, but if I ran any more boost that it needs the 9.5".
That's crazy because it's the exact opposite of what I was told. I was blowing through my 9 inch we tried everything w it couldn't get it to hold.

Called Marty chance and he stepped me up to the 10 inch converter and it's been rock solid ever since in fact if anything it's a little too tight, but more boost will help that

Odd that it would be opposite, but I run low RPM too shifting at 5800 maybe that's the difference IDK

It'll be interesting to see how it works out.

It's always good to test different things.
When people started running the S475 I thought it wouldn't work because of the 1.32 AR housing but with the ETT wheel it worked great. I was running .96 housings on TV 7101s before that. ( man that seems like a long long time ago now)
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Old 06-07-16, 02:50PM   #15
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Quote:
Originally Posted by turbo69BIRD View Post
That's crazy because it's the exact opposite of what I was told. I was blowing through my 9 inch we tried everything w it couldn't get it to hold.

Called Marty chance and he stepped me up to the 10 inch converter and it's been rock solid ever since in fact if anything it's a little too tight, but more boost will help that

Odd that it would be opposite, but I run low RPM too shifting at 5800 maybe that's the difference IDK

It'll be interesting to see how it works out.

It's always good to test different things.
When people started running the S475 I thought it wouldn't work because of the 1.32 AR housing but with the ETT wheel it worked great. I was running .96 housings on TV 7101s before that. ( man that seems like a long long time ago now)
I shift mine around 6,000rpm. It was stalling around 4,600 rpm on the engine. Lane wanted me to just leave it in there to see what it would do. Now it's flashing over 5,000rpm.
I have a TV8513 on mine. It has the larger compressor cover 88mm wheel and the same wheel as a TV8101. It's 111mm and I have a 1.23a/r housing on it. It spools fast. In fact I just took it off and tapped it to check my backpressure. I have a 1.60a/r housing for it if it's too high. The larger hot sides haven't worked out for you?
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