Third Generation F-Body Message Boards

 
Page 1 of 5
1
2
3
4
5
Search: Posts Made By: fiveoformula
Showing results 1 to 50 of 240
Search took 0.09 seconds.
Forum: LTX and LSX
10-14-2017, 11:35 AM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

http://i1161.photobucket.com/albums/q506/fiveoformula/IMG951052_zpsvyttprpd.jpg (http://s1161.photobucket.com/user/fiveoformula/media/IMG951052_zpsvyttprpd.jpg.html)
Forum: LTX and LSX
10-14-2017, 11:31 AM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

http://i1161.photobucket.com/albums/q506/fiveoformula/IMG_20171013_185426671_zpsobat2rfn.jpg (http://s1161.photobucket.com/user/fiveoformula/media/IMG_20171013_185426671_zpsobat2rfn.jpg.html)

...
Forum: LTX and LSX
10-11-2017, 02:00 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

http://i1161.photobucket.com/albums/q506/fiveoformula/Snapchat-1916842097_zpsphi6agsd.jpg (http://s1161.photobucket.com/user/fiveoformula/media/Snapchat-1916842097_zpsphi6agsd.jpg.html)


Pretty...
Forum: LTX and LSX
10-03-2017, 05:52 PM
Replies: 11
Views: 1,255
Posted By fiveoformula

Re: 4.8L 4L60E Swapped Third Gen Drag Times

Not bad at all for a stock cam 4.8!
Forum: LTX and LSX
08-08-2017, 11:19 AM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

Finally managed to make the 2 hour drive to get some tuning done!


Was able to add 4-5 degrees of ignition timing with no knock (26-27* total)
firmed up shifts to my liking.
Disabled torque...
Forum: LTX and LSX
07-27-2017, 10:16 AM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

I am running a truck tune, but with LS1 spark mapping, that's about the only thing that has been changed.
Forum: LTX and LSX
07-26-2017, 06:50 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

Just double-checked, I have the bigger cam #12565308, thinking I may need to change the threshold in the tune for misfires.
Also it dawned on me that my current plug wires are the ones that came...
Forum: LTX and LSX
07-25-2017, 09:36 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

New development on the case of the missfire, not long after I got the code the first time, I noticed my torque converter lockup was being kinda finicky, it'll fall out of lockup at random times even...
Forum: LTX and LSX
07-06-2017, 01:04 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

Happy 4th of July!
https://www.youtube.com/watch?v=1rnnpUrtYlI
Forum: LTX and LSX
06-29-2017, 04:55 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

Yep, maybe it was just cranky that day. lol
I am really excited to do some tuning, Epecially to play with
the transmission parameters, Firm the shifts, and change some shift points.
Also...
Forum: LTX and LSX
06-29-2017, 11:11 AM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

I'll be able to check more when I get the laptop out in the car. Light ended up turning off later that day.
Car seemed to run great whether the light was on or not, so maybe it was some fluke thing.
Forum: LTX and LSX
06-28-2017, 06:58 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

Oddly enough, a day after the TPS problem got resolved, my CEL came on again.
Missfire code P0300.
Although it doesn't sound or feel like it's missing. Decided to clear the code but it came back...
Forum: LTX and LSX
06-28-2017, 11:57 AM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

Ah fun, so you had to make it adjustable like an old school TPS.
Forum: LTX and LSX
06-28-2017, 11:03 AM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

I bought a "standard motor products" TPS from the parts store. Instantly the car has 'felt' better, but I will do like you said and check the idle voltage and key-off voltage when I get the chance.
Forum: LTX and LSX
06-28-2017, 10:25 AM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

I am sure I would have noticed sooner if I had a chance to get the laptop in the car. Haven't been able to do that since the initial tune to get it started. More tuning will be coming soon and I'll...
Forum: LTX and LSX
06-27-2017, 05:53 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

Also, changing the TPS corrected a few quirks about the trans shift points that I was previously blaming on the "truck tune". So I am really happy about that.
Forum: LTX and LSX
06-27-2017, 05:15 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

Luckily, it was an easy fix, $37 dollars for a new Throttle Position Sensor.
The original one I was running came on the truck 5.3 throttle body assembly that I bought from a local wrecking yard, so...
Forum: LTX and LSX
06-27-2017, 05:11 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

Ran into another small issue. All the sudden the car starting running rough, idling high, shifting funny, doing all kinds of weird things.
314531...
Forum: LTX and LSX
06-20-2017, 12:36 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

Pulled the pump again, local parts store replaced it under warranty for me.
Also decided its probably a good time to add the filter, so I did that, crossing my fingers it does not clog up again....
Forum: LTX and LSX
06-17-2017, 11:41 AM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

This one here? Price is not too bad.
https://www.summitracing.com/parts/rnb-615-900
Forum: LTX and LSX
06-17-2017, 10:16 AM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

Interesting, I was under the impression that only the L33 (and 4.8s) used the flat top pistons, but since you posted that I went researching and your right! LM4 has flat tops with 10:1 compression.
...
Forum: LTX and LSX
06-16-2017, 03:17 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

Yes sir.


2004 aluminum 5.3
LS6 cam and springs
untouched stock 862 heads,
stock bottom end with supposedly 80k miles
LS1 intake, injectors, fuel rails
currently running a truck tune with...
Forum: LTX and LSX
06-16-2017, 01:35 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

Thanks!
They looked decent polished, but I like them blacked out better, matches all the black trim on the car.


314613...
Forum: LTX and LSX
06-15-2017, 06:46 PM
Replies: 134
Views: 18,189
Posted By fiveoformula

Re: '84 anniversary Trans Am 5.3L LC9 swap

Very nice car! Love how stock it looks from the outside, yet looks like business under the hood!
Forum: LTX and LSX
06-15-2017, 06:27 PM
Replies: 168
Views: 35,615
Posted By fiveoformula

Re: 5.3 centrifical supercharger engine swap

Lot's of impressive work here! Nicely done:thumbsup:
Forum: LTX and LSX
06-15-2017, 10:30 AM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

Just ordered a filter part number 20-0038F.
Turns out its a common enough problem that even the parts stores computer has a note recommending the installation of a filter.
So I'll do that and...
Forum: LTX and LSX
06-15-2017, 12:23 AM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

Seem to be running into problems with power steering.
Lost assist completely with no leaks, no noises or any other symptoms.
Read up on the ol interweb to find that it's common for reman LS1 pumps...
Forum: LTX and LSX
06-10-2017, 02:18 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

Yeah, I know the LS1 manifold sucks. It also has the smaller valve 862 heads.
This 2004 LM4 is rated at 295hp at the crank, picks up a little more with long tubes and the LS6 cam. I'm more curious...
Forum: LTX and LSX
06-07-2017, 03:56 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

Now that I have ran a couple tanks of fuel, I figured out I get 17mpg around town without driving nice!
My 350/T5 got around 12-13 in town and 19-20 on highway road trips.
Just thought Id share,...
Forum: LTX and LSX
06-01-2017, 01:45 AM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

Thank you! They're actually late 4th gen TransAm speedlines, normally they are polished but I plasti dipped them black. I'd like to powder coat them one day.
Forum: LTX and LSX
05-30-2017, 08:49 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

That sounds pretty good, (sorry for the delayed response). Still living with straight pipe. I might consider that summit kit since it's such a good price too. Have any exhaust clips with revving?
Forum: LTX and LSX
04-04-2017, 03:20 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

I was curious how the summit catback sounds, it has a good price.
At one point I had a dynomax on the car when it was still 305 powered, I liked it ok, Im sure it'd be quite a bit different with an...
Forum: LTX and LSX
03-30-2017, 04:04 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

315482 (http://s1161.photobucket.com/user/fiveoformula/media/IMG_20170317_180141927_zpsokhphk8c.jpg.html)
Small update, swapped to factory third gen 1 wire oil pressure sending unit, makes the gauge...
Forum: LTX and LSX
02-23-2017, 06:34 PM
Replies: 44
Views: 1,986
Posted By fiveoformula

Re: LS Fest WEST - Las Vegas May 5th- 7th

Id sure like to go, It'd be a fun roadtrip from Portland, OR.
Still up in the air about it.
Forum: Tech / General Engine
02-16-2017, 02:40 PM
Replies: 79
Views: 164,430
Posted By fiveoformula

Re: 5.7 Vortec LT4 Hotcam Install Pics and Information

I have since sold that engine and swapped in a 5.3 in its place. I am in contact with the current owner, so I'll post if he ever has an issue. In hindsight, I wish I wouldve used a locator at the...
Forum: LTX and LSX
12-20-2016, 08:40 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

Speedo is correct, rolling at 25mph, matted the throttle. Love how this thing sings past 6k rpm, looks like ill need more tach. Lol
Forum: LTX and LSX
12-20-2016, 01:57 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

https://www.youtube.com/watch?v=hnlAP3dqJdo
Sorry about the video quality, but enjoy:D
Forum: LTX and LSX
12-02-2016, 01:06 AM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

Delete*
Forum: LTX and LSX
12-02-2016, 01:04 AM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

I suspected maybe the gauge is off. I'm going to hook up a mechanical gauge just to be sure. I don't remember seeing my factory gauge go over 25psi no matter what rpm. So that has me a bit worried.
Forum: LTX and LSX
12-02-2016, 12:59 AM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

I ended up merging the 3rd and 4th gen cable, works great, WOT works and it doesn't bind, so I'm happy. Throttle pedal is much easier to push than it was with TBI.
Forum: LTX and LSX
11-29-2016, 11:46 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

317042 (http://s1161.photobucket.com/user/fiveoformula/media/IMG_20161107_115041016_zpshyko4jxg.jpg.html)
There it is sitting pretty, still need to get the center console back together and tuck...
Forum: LTX and LSX
11-29-2016, 11:36 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

317043 (http://s1161.photobucket.com/user/fiveoformula/media/IMG_20161124_155704055_zps4qzgemnc.jpg.html)
Little update- built my cold air intake, although I'm not really that happy with it, now my...
Forum: LTX and LSX
11-08-2016, 12:34 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

I mainly stayed with the stock third gen compressor because its already there, system worked, and with the high mount bracket I wouldnt have to notch the K member for the low mounted 4th gen...
Forum: LTX and LSX
11-06-2016, 09:56 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

It runs again! Still working bugs out. Seems to stumble when you touch the throttle leaving a stop, I suspect a vacuum leak of some kind. Also the exhaust is LOUD! Louder than I thought it would be,...
Forum: LTX and LSX
11-05-2016, 01:42 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

II ended up making a hybrid 3rd gen/ 4th gen cable. Seems to work great. Haven't run the engine yet.
Just got my transmission back from shop number 2, will be installing it this weekend. The guy...
Forum: LTX and LSX
10-26-2016, 10:32 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

While I am figuring out what to do for a transmission, I thought I'd work on some details. What's everybody done for a throttle cable? I bought a 4th gen one, hooked it up, its not quite right, I...
Forum: LTX and LSX
10-20-2016, 03:45 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

Got the transmission back out of the car last night after work. Brought it to a local trans shop today, they're going to figure out what went wrong for me. I noticed part of the problem half way...
Forum: LTX and LSX
10-18-2016, 06:27 PM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

Thanks! Despite the trans issue, I am super stoked. It runs smooth, the F-body LS1 tune must be pretty close, still need to get a bung in the exhaust so I can hookup my AEM wideband.
It spun the...
Forum: LTX and LSX
10-18-2016, 10:58 AM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

317465 (http://s1161.photobucket.com/user/fiveoformula/media/Mobile%20Uploads/IMG_20161017_202854537_zpsx1wd9waz.jpg.html)
Have lots to finish up under the hood, towards the end of course I got...
Forum: LTX and LSX
10-18-2016, 10:50 AM
Replies: 165
Views: 20,841
Posted By fiveoformula

Re: '88 Formula LM4 5.3 swap

317466 (http://s1161.photobucket.com/user/fiveoformula/media/Mobile%20Uploads/IMG_20161017_193456641_zpshriwtqrv.jpg.html)
Proof that it runs! The 5.3 runs amazing! wish I could say the same for the...
Showing results 1 to 50 of 240
 
Page 1 of 5
1
2
3
4
5


 
Forum Jump


All times are GMT -5. The time now is 08:23 AM.