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Questions for blueovalz


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blueovalz

I'm new to this forum. I've just joined because I've decided to install a 5.0L ford in my '72 Z. I came to the conclusion that I've wrung just about all the performance I can from my 3.0 straight six. I'm not a super/turbo charger kinda guy. I like NA, so after fuel injecting (electromotive tec2) and raising compression 10.7:1 with oil coolers, aluminum rads, and custom everything, I've decided to move to the V8 world. The six was a lot of fun, both building and driving. I autocross (ftd at National Convention in New Hamshire 2003), do track days. and I like to drive it to the events rather than trailering. So I've taken the six as far as I can (232rwhp, 175ftlbtorque) and still keep it reliable and a 'daily' driver. I've been doing a lot of research on the 5.0L conversion and your picture site as been very helpful, but leaves lots of questions.

1) The driveshaft you use is 'an all ford'. Did you have this custom made or is it retrofitted from another vehicle?

2)What part# is the slave cylinder you use?

3)What part# is the master cylinder you use?

I'm sure I'll think of more but thats enough for now. Thanks for the information and the inspiration! I'm really enjoying this forum. It reminds me of when I first got into Z's and I was doing my research on the IZCC(early 90's) I'm enjoying learning about the Ford Small block

Thanks again

Jeffsilverz

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Hi Jeff, Glad to have you on board. It sounds like you've got a great start to a nice project. In answer to your questions:

 

1) The driveshaft you use is 'an all ford'. Did you have this custom made or is it retrofitted from another vehicle?
The driveshaft itself is all Ford, and came off a Mustang I believe. Any Mustang driveshaft (that fit the T-5 output shaft) I believe would work as I think they all use the same yoke on the end. Check this out to be sure, but whatever shaft I used, it was very common in size. It was then shortened only and then bolted to an adapter (1/2" aluminum) that has the Datsun propeller shaft bolt pattern and the Ford bolt pattern.

 

 

2)What part# is the slave cylinder you use?
(Assuming your query is for the clutch) I've no part numbers at all, but what I've used is a McLoed (spelling?) hydraulic throwout bearing for the T-5. Some folks have had their problems with these, and they require bit of thought when adjusting them, but I like mine (even with the few minor problems I've had) and am keeping it.

 

 

3)What part# is the master cylinder you use?
In regards to the clutch, I do not have part numbers. This part can be any generic aftermarket (Tilton, Girling, etc) piece as they all have the same bolt pattern, which is almost identical to the Datsun pattern. Simple modifications to fit them in are all that is required on the pushrod. I use a 3/4" bore on this.
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Thanks for the info! The way you adapted the driveshaft looks good! I will probably do the same as you. You don't happen to know if the nissan T5 (out of the ZX turbo) is the same output spline as the stang T5? When I went to the BW T5 in my 240 I adapted the t5 spline to the stock 240 driveshaft. If they are the same, I might use this initially, although I don't think the smaller u-joints would stand up (for long) with the increased torque of the v8! Did you do any calc's for the master displacement vs the slave? Did you need a slave of larger stroke to get the slave to move the appropriate amount? What kind of stroke is necessary to disengage the clutch?

 

Jeff

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The tech department at McLeod helped me on this determination. I told them the type of clutch I was using (Long style I believe is what I have) and they knew approximately how much movement would be required at the bearing to disengage the clutch. With this information they told me a 3/4" bore, 1" stroke would be recommended. Obviously I don't need the full 1" to disengage the clutch, but pedal pressure and stroke are perfect with this set-up.

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