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Trinten's SBC/F23 build - The work has begun! by Trinten
Started on: 08-17-2009 10:48 PM
Replies: 564 (25860 views)
Last post by: Trinten on 12-02-2021 12:07 PM
Trinten
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Report this Post11-10-2021 01:17 AM Click Here to See the Profile for TrintenSend a Private Message to TrintenEdit/Delete MessageReply w/QuoteDirect Link to This Post
Thanks Will, once we were under the car we spotted where it it could run, and worked out nicely.

It's been a while since I've done an update. I think that's because we're getting down to some of the stuff that is a little time consuming. And by we, I mean Mike. I often play go-fer. Though Mike has (reluctantly) said that a few of my ideas were really good. And only reluctantly because "why didn't I think of that!"

Anyhow - I mentioned before about modifying the radiator a bit more for the coolant piping to/from the water pump. Mike then tackled starting to run the transmission cooler lines. In my previous post I think I showed a pic of that getting started, and he finished it up (at least going back to the rear bulkhead, more on that later).

We did have to pull the radiator again, which lead to a good, but unexpected, test of how well it could go in/out around the transmission lines. It requires lifting the driver side first, but then it slides out without an issue. Could probably be done by one person, though two is definitely better (at least with the hood on).










We also took apart the bracket setup for the FAST so we could mount the Tecomotive pump control on it. Check out the cool little connector channel! This thing is way smaller than I expected. At least it makes it super easy to package!




Okay so now onto the stuff I'm really excited about. We slide my drivetrain skid under the cradle, unbolted the engine, and the skid worked exactly as intended, supporting the cradle, engine, transmission AND the A-Arms, so they didn't drag. We unbolted the upper control arm... then used the neat new lift point Mike put in before to life up the body of the car!

This also worked as planned, the cherry picker legs stayed clear of the skid/cradle. Now that he knows it works, he'll make the final version of the bolt that screws into the reinforced mounting point.










Once the drivetrain was out, we rolled it into the garage so Mike could start working on packaging accessories. The AC Compressor will use one of the original mounting points. Then he used some cardboard to start working out the template for the alternator, going as far as even bolting it up to the block, and I would hold the altnerator as he checked things out.




This bracket will be spaced out from the block to get the alternator pulley into alignment, with it sitting as test fitted, it is backspaced about .75". It's made from .25" 6061 aluminum. The spacers will be made from the same.

I'll be using a CS130 alternator from Power Master. I've used their alternators in the past and have had great luck with them, plus their tech support and pre-sales guys have always been great. Also, the last two alternators I got from them had higher than advertised amperage. They (used to) do a bench test and have a tag attached to it with the exact amps that unit put it out. The alternator in the mockup is an SI12 case, which has the same mounting hole distance and orientation as the unit I ordered.








Solid color wire from ADI shipped out this week - well, most of the colors, a few were on backorder. We're also still waiting on the metal pieces for Mike to start mocking up the gas tank.

And this was just a funny picture after we put the wheels back under the car without the drivetrain.

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Report this Post12-01-2021 09:00 PM Click Here to See the Profile for TrintenSend a Private Message to TrintenEdit/Delete MessageReply w/QuoteDirect Link to This Post
You may recall from the last update that we dropped the cradle (using my spiffy skid and the spiffy lift point Mike made) so we could work on the accessory location and bracket(s). And by we, I mean Mike. But hey, I'm always there for moral support, and to take pictures. And gofer. And now and then I have a good idea.

This time out, while Mike started working on the brackets, I cleared out what was left of the old nasty insulation in the Fiero engine compartment.



I will be replacing it with Thermo-Tec insulation, part 13590. I emailed them describing where it was going to be used, and this is what they suggested, so, we'll give it a shot! We'll also be putting back in the super-awesome Decklid brackets that FieroGuru made for my last Fiero, which will require us to fabricate the spreader bar that went in above the 'lip' (there are square holes cut out in there already) to help offer support. I'm going to go back in this thread and find that section to make sure I have the information handy for Mike. We'll also be reinstalling the super nice heatshield/smoothplate he made, which means I'll be taking off all those little stands off the bulkhead.

I also have some TechFlex SRF28.0SV material that we'll be using in other temp critical places, like on the manifold shields (definitely the inside of them). This stuff is crazy expensive, but that's partially because you can normally only get it in giant rolls. Thankfully a seller on eBay sells it in 2" cuts. I think this stuff is literally something used by NASA. If it's good enough for things being shot into space, it's good enough for me!

Mike wanted to create a second bracket that would also wrap down to give the A/C Compressor some additional rigidity. This bracket means he has to rework one of the arms on the cradle a little, you can see where he cut through the spot weld, and the arm is kind of dangling there. Yes, the cradle has held the drivetrain for well over a year with just spot welds. Including while the car was bouncing along on a trailer to PA, and us lowering lifting it, rocking and rolling it. Crazy!

He also trimmed a bit of the 'lip' off the belt tensioner pulley. It wasn't coming into contact with the crank pulley, but it was so close that you'd be lucky if a piece of paper could slip between the space. Mike felt trimming of a bit of the lip was better than worrying about the lip scraping the pulley during movement with vibration.



He also rigged up some extra brackets for the back of the alternator and the compressor. On the compressor there is this little 'U'. So you can see that tab in a mock up position that will weld to the upright support on the cradle, and the bolt will fit snugly into that U. There is also more clearance between the alternator and the manifold that that angle would make you think.



So I had to buy a bunch of proper length bolts to put all this together, along with some sensors and other adapters for the transmission (ICT Billet makes coolant fittings for this transmission that go directly to AN, versus whatever the factory connection is, eliminating a potential leak point).

I also bought heavier-duty casters for my Skid. What I didn't consider, and which did happen, is what happens when the drivetrain does not come down onto the skid evenly? Well, then it's likely a wheel's load rating will be exceeded. That happened, so one of the wheels acts a little wonky now. Fixed that by getting casters that are each rated in excess of the drive trains weight.

I scored a pristine, no cracks, center console skeleton from the junkyard. Mike got the tail lights (notchie), we picked up some other odds and ends. But I won't be using that. Instead, I'll be using one of the fantastic 3D printed units from PFF's very own mmeyer86gt/gtp!

It showed up in a very compact box, very well packaged (each piece was wrapped in bubble wrap). Looks pretty spiffy!!











I also took advantage of the Discount Tire black Friday sale and bought new tires for the stock coupe Corvette wheels I have on there, so those will go on this Saturday. The tires that are on there now are pretty well cracked, and these have the same ratio number, so the car will have a very slight rake and the rear tire will fill up the wheel well a little better. I'll post up pictures of those once the wheels are back on the car. Fronts are 255/40 R17, and the back are 275/40 R18. With the discounts, I effectively got a free tire.
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Will
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Report this Post12-02-2021 10:33 AM Click Here to See the Profile for WillClick Here to Email WillSend a Private Message to WillEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by Trinten:

I scored a pristine, no cracks, center console skeleton from the junkyard. Mike got the tail lights (notchie), we picked up some other odds and ends. But I won't be using that. Instead, I'll be using one of the fantastic 3D printed units from PFF's very own mmeyer86gt/gtp!

It showed up in a very compact box, very well packaged (each piece was wrapped in bubble wrap). Looks pretty spiffy!!













I could go for one of those... link to thread?
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Report this Post12-02-2021 10:34 AM Click Here to See the Profile for WillClick Here to Email WillSend a Private Message to WillEdit/Delete MessageReply w/QuoteDirect Link to This Post

Will

13951 posts
Member since Jun 2000
 
quote
Originally posted by Trinten:

I will be replacing it with Thermo-Tec insulation, part 13590. I emailed them describing where it was going to be used, and this is what they suggested, so, we'll give it a shot!

I also have some TechFlex SRF28.0SV material that we'll be using in other temp critical places, like on the manifold shields (definitely the inside of them).


Thanks for sharing the specific products you're using!
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Trinten
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Report this Post12-02-2021 12:07 PM Click Here to See the Profile for TrintenSend a Private Message to TrintenEdit/Delete MessageReply w/QuoteDirect Link to This Post
Anytime! I'm happy to share what I've used and why, especially if it works (or doesn't).

Here is a link to the 3D Printed console thread - https://www.fiero.nl/forum/...9421-2.html#lastpost
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