Trinten's SBC/F23 build - The work has begun! (Page 40/76)
nosrac MAY 29, 10:08 PM

quote
Originally posted by fieroguru:
I need to make a mount so I can get some in car videos of some drives... I have a magnet mount, but with the interior back in, there aren't any metal surfaces to stick it to.




2 words Vel Crow...LOL
fieroguru MAY 31, 07:39 PM
I put about 70 miles on the car today taking it for multiple trips through the country loop (about 15 miles). A couple of trips I was logging MAF and the others I was logging SD. The MAF tune is about done (except WOT), but the SD side still needs more work.

I used some left over double sided sticky tape to attach some 16ga to the rear window, then I could use my magnetic base for my camera. I took a couple of videos of portions of my travels, but never went over 20% throttle in these videos:
Trinten MAY 31, 09:33 PM
That's some great video!

I noticed that my oil pressure sensor/gauge is now more accurate/sensitive. Before, I would start it up and the needle would (fairly quickly) creep up to about 3/4 of the way to the max, then pretty much sit there the entire time with very little variation. Once after driving on the highway for about 2 hours I came to a stop and was a little freaked out when the needle dropped to the half-way mark. As soon as I stopped I jumped out and checked the oil level, absolutely sure that for it to have pressure that low that I had to have lost a bunch of oil - but I hadn't, thankfully. (Even checked it the next day when the engine was cold, just to make sure! Yes, a little paranoid).

Could also be more sensitive thanks to FieroGuru opening up the oil return port thingie that the filter relocation setup needs to use.

Sounds great and looks like it's moving without any issues! The wideband MAF was staying in a pretty good range, too! Kudos to your tuning!!

(Edited: I fixed 'not' to 'now' -- talk about a typo that dramatically changes the meaning of the post! Sorry I didn't catch it sooner)

[This message has been edited by Trinten (edited 06-08-2014).]

fieroguru JUN 08, 04:33 PM
I have put somewhere between 250 and 300 miles on the car since the swap and things are looking good and the swap is leak free. The SD and MAF tunes are complete for normal driving and the MAF is roughed in with 3 WOT runs runs to 6500 rpm (I will tweak it a little more on the dyno). I took it into town for some heavy stop/go driving and stayed right around 190 with the fan cycling on/off as needed.

I don't drive the car in the rain, so sometime this week (weather permitting) I will accomplish the following:

Take the car on an interstate run from Lexington to Louisville (about 65 miles each way + 25 miles each way to the interstate) at a steady 70 mph. The car will be driven home, so I want to test that condition before handing over the car, as well as check for interstate fuel economy.

Put the car on the dyno to dial in the WOT tune and play with the timing & A/F ratio for peak power.

The other things left to do...
Put the rest of the center console back together.
Install the rear wheel well liners.
Change out the brake hoses for braided stainless ones.
Install the rear sway bar.
Charge the A/C.
Continue to drive the car.
Trinten JUN 08, 10:47 PM
In the home stretch!
I'm really curious to see what the dyno differences will be with the EFI.
fieroguru JUN 15, 01:56 PM
Took the car on a 230 mile joy ride today to check the MPG on the interstate. I filled up right off the interstate in Lexington, then jumped on I64 and drove past the Indiana State line (other side of Louisville) and came back (160 miles total). Stopped at the same gas station, used the same pump and filled it back up. 21.4 mpg on the interstate running between 68 and 80, but the average for the vast majority of the run was 70-75.

All that's left to do is:
Dyno tune - tried to go last week, but owner had a stint put in. Should be able to get it done this week.
Charge the A/C
Install the braided stainless brake hoses

Here are a few more pics I took the other day once I installed the vent brackets and decklid support:



[This message has been edited by fieroguru (edited 06-15-2014).]

Trinten JUN 15, 10:06 PM
It's beautiful!!

And I definitely won't complain about 21 MPG, either!

I might have to buy that nice car cover sooner than later, try to help keep stuff from calling through the vents and making the engine bay look all gross.
Jefrysuko JUL 06, 05:52 PM
Updates?
fieroguru JUL 06, 09:28 PM
Vince and Greg (CowsPatoot) came up on the 3rd and we hung out late that night. On the 4th they came over the to house and took the car for multiple spins through the country running the car through its paces. Vince even took a spin in the LS4/F40 Fiero and they headed home that afternoon.

The power band of the car is very similar to mine and should make peak HP well above 6K rpm. I dyno'd the car and with the 1.6 rockers it floated the valves at 5800 rpm and only put down 354 whp @ 5800 rpm. After the dyno, the valve springs were changed and it now pulls strong to 6500 rpm. I ran out of time to get it on the dyno a 2nd time to see how much more power it makes above 5800 rpm.

It was a fun and challenging project.
Trinten JUL 06, 10:17 PM
Yup, I have it back now, very happy with everything FieroGuru did. Looking forward to when the weather out here gets closer to what it was when I had my dyno done with the carb, so I can see the differences with less variables.

The car still has a horrible driver, though.

The new throttle is taking me some time to get used to. I've had a few interesting moments learning it, including more than a few unintentional tire barks, and some jerking.

But it's happily sitting in my driveway again!

FieroGuru also spent a lot of time explaining brake stuff to me, showing me side-by-side comparisons (he has a lot of parts, and an immaculately organized garage). So it was a great learning experience, too!

In the future if there's ever other big stuff I want to get done that's up his alley, I'm definitely going to give him a call. He also gave me 4.6 gigs of stuff ( 1,200 +/- pictures, wiring diagrams and my HP Tuners file), as well as been extremely gracious with answering my questions since I've picked the car up.