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Swaping LT1 1993 I'm looking to get rid of the old bastard 305 in my 89 RS(stock), i want to replace it with a 93 LT1 with aluminium heads from a camaro z28(stock). I'll get wiring harness, ECM, all sensor including MAF, transmission(Automatic), everything. I want to know if the 93 Engine & Tranny will fit my thirdgen without ANY problem ??? If there's problem what do I need thanks |
Hey Mat currently im doing the same swap into my 86 Z28, depends on if you want to keep the A/C when you swap for fitment if not you can get an a/c delete idler or i have heard of removing the back half of the compressor, without the compressor it bolts right in using the stock mounts, with it you have to mod the pass. side mount a little, i would also recommend that you get an aftermarket harness due to other things that you may delete when swapping, painless has one for the 92-93 LT1 its like $350 from jegs, you will need to fab fuel/a.c/power steering lines and radiator hoses. |
Does the 93 have a maf? I though that just 93 got a speed density LT1 (f-body anyway) Ryan |
93-94 are speed density, 95 they went back to MAF ------------------ 1989 Firebird 2.8 v6, t5 swapped in Ram Hi-po clutch, Cold Air, 1.6 rockers (ready to install), Lakewood LCA's, Lakewood Lift bars, 3" y-pipe, Random Tech Cat, 3" I-pipe, Flowmasters, MSd 6a, MSD Coil (Fireball in future) Accel 8.8 wires, MSD Ignition Module, 4th Gen Seats (not front yet) " I'd rather run last in a full out race, than to NOT run at all ". |
ok for the lines and the compressor i'll do has you say.Do you think i'll need to use the fuel pump from the 93z28 ??? My TBI engine has a low pressure fuel pump and usualy LT1 runs on a high pressure fuel pump. right or not ??? Will I need to use the LT1 exaust manifold and Y-pipe or my one should be fine ???(I'm planning anyway on going with headers but for now just straigh manifols) Keep on rolling... mat |
You might be right "Graeme'sFirebird " I don't know myself. I don't have the engine yet it's comming this week. but the guy told there was a MAf .. |
Matt, 1993 was the only year of the Speed Density for the 4th gens. 1994 and on were all MAF's. But it possibly could have been converted? I can help you identify the MAF if you think you have it, but I have no idea on what the Speed Density consists of. You could also Try www.camaroz28.com and post a topic about this in the LT1 section, should get all the answers you need there. Neal ------------------ http://www.geocities.com/teal94v_6 |
The engine will fit in perfectly, unless it has air conditioning. If you do want air conditioning there are a couple of options. 1. Contact S&P or March and get a new serpentine pulley kit to mount the A/C up top 2. Section the motor mount as shown here www.hpsalvage.com/3rdgen.htm You will need a different fuel pump (electric). SLP's headers have worked for many people on LT1's. The painless wiring harness is highly recommended for ease of installation, it's part # PRF-60501 in summit and is $350, it specifies a reprogrammed prom. Hope this helps. |
Yup 94 up maf 93 is sd, to delete the a/c go to your local chevy dealer they have an idler that will do it allowing you to use your stock mounts, stock manifolds from 3rd gen can be used just fine but i would recommend grinding them to match the LT1 gasket first since the port is slightly different, im also getting the painless harness that was mentioned to save trouble, yes you will need a new fuel pump, look in jegs or summit for a replacement for the TPI Z28 it will work perfectly if you want to see pics of my engine i just got it in the car go to www.Z28speed.com , hope it all helps, cya. |
Will I be able to use the fuel pump from the 93 Z28 ??? nobody has answer if I can use the 4th gen y-pipe and minofolds...anybody knows ??? ------------------ 89 Camaro RS Stock as a women with white panties LT1 IS COMMING SOON. |
<font face="Verdana, Arial" size="2">Originally posted by mat89RS: Will I be able to use the fuel pump from the 93 Z28 ??? nobody has answer if I can use the 4th gen y-pipe and minofolds...anybody knows ??? </font> |
Anybody would know about the 93 fuel pump ...because that's my biggest consern...fuel pump are not cheap and while i'm getting that LT1, why not get the fuel pump... I will probably use the manifolds from the 305 and get headers later on this year. Something else. How much HP would a 8 lbs supercharger give me ??? I can get one for about 750$ Canadian.. ------------------ 89 Camaro RS Stock as a women with white panties LT1 IS COMMING SOON. |
no, you only need the fuel pump from a third gen with TPI. they 4th gen pump is like $100? the third gen one was $50 ------------------ -'92 RS with self-installed '95 LT1 -Heddman Headers -TPIS throttle body airfoil Kills -'97 Mustang Cobra -'98 V6 Camaro -'89 5.0 ****stang -'97 Sebring -'96 ****stang Cobra Losses -'99 Mustang GT -'96 Mustang Cobra -'95 Z28 (good race) |
Ok, well I think you didn't understand what I wanted to say, i can get the fuel pump from 93 Z28 for free with the engine .... I'm just wondering if i'll fit ... ------------------ 89 Camaro RS Stock as a women with white panties LT1 IS COMMING SOON. |
what's the gears in your rear-end ???? I've read all your postings about your swap... i'm trying to follow you ...How much hours did you put in the car for doing the swap ??? was it hard to replace the fuel pump ??? ------------------ 89 Camaro RS Stock as a women with white panties LT1 IS COMMING SOON. |
Hey TexasLT1 what's the gears in your rear-end ???? I've read all your postings about your swap... i'm trying to follow you ...How much hours did you put in the car for doing the swap ??? was it hard to replace the fuel pump ??? ------------------ 89 Camaro RS Stock as a women with white panties LT1 IS COMMING SOON. |
ok I did misunderstand you, I dont know about the new pump. my mistake. hey matt, glad to know I have some followers! j/k, total time was probably 6 weeks, working nights and weekends, so probably about 100, maybe 150 hours? I dont really know, never really thought about it. that is starting from taking the first bolt out of the hood to finalizing everything. like I said, that is a VERY rough estimate. the fuel pump was a definate b*tch. but hey, I can drop a tank in about 20 minutes or less now! no, the hardest part was just getting the gas out of the tank, once we figured out to drop the rearend completely to the ground and pull the exhaust, it was real straight forward. Like I said, the first time ( yeah, we had to drop it a couple of times)we tried, we didnt know to drop the rearend all the way, so we just jacked the rear of the car up, let the rearend hand, and started unbolting things. well, to our dismay, we had a half-full tank of gas that was stuck half way out of the car and we couldnt get to go anywhere, be it farther out or back to its original place. we finally pulled the exhaust over to the side and could drop it the rest of the way. the other two times we just dropped the rearend first, unbolted the exhaust at the cat, pulled the exhuast out the back, and unbolted the tank. it really isnt that hard. be sure to use a brass bar or hammer when you loosen the locking ring on the tank. I would hate to have anyone here blown up. like I said, it wasnt that hard, just take some time the first time you do it, and when you get frustrated (you probably will) just sit back and cuss at it for a coupla minutes and its all good! if you got any more questions just drop me a line and Ill see what I can do oh yeah, my gears are the stock 3.08 and it will still run like a scalded dog. I plan to only go up to about a 3.23 or maybe a 3.42, havent really decide, I like haveing the top-end and pretty good accleration. ------------------ -'92 RS with self-installed '95 LT1 -Heddman Headers -TPIS throttle body airfoil Kills -'97 Mustang Cobra -'98 V6 Camaro -'89 5.0 ****stang -'97 Sebring -'96 ****stang Cobra Losses -'99 Mustang GT -'96 Mustang Cobra -'95 Z28 (good race) [This message has been edited by TexasLT1 (edited April 12, 2001).] |
Can you give me your 20 minute trick !!! I'll try to do the swap in 2 days ... What's extra material did you bought ??? mat ------------------ 89 Camaro RS Stock as a women with white panties LT1 IS COMMING SOON. |
Hey Texas LT1 how much time did it took you to install the wiring harness ... ??? Had any problems ???? anything hard ??? ------------------ 89 Camaro RS Stock as a women with white panties LT1 IS COMMING SOON. |
well to tell you the truth there really is no trick, just disconnect the sway bar, shocks, pan hard bar, and drop the rear end to the ground. then unbolt the exhuast at the cat and drag it out the back. then take off the heat shielding, disconnect the fuel lines, and you are ready to drop it. but get some help to do it, my dad and I dropped mine and he held the tank while I unbolted the straps. once the straps are out of the way, rotate the front of the tank down and the slide it as far to the pass. side as you can. you just have to work it some to get the filler neck free of the frame. installation is just the reverse. the wiring harness took us literally about 3 weeks to figure out, mainly because of the d*mn VATS, man that was a PITA. if we had of known about that one little detail before we began, we would have finished the wiring in about 4 days, but again, that was working only about 3 hours on weeknights and probably 6 each day on the weekend. it really helps having all of the GM wiring diagrams! Ill try to get you those. the whole thing wasnt that hard since the whole harness is mainly for the engine. the only parts of it that connect to the rest of the car are the power cables, and the wires for the dash gauges. everything else goes where it needs too already. got anymore questions just ask ------------------ -'92 RS with self-installed '95 LT1 -Heddman Headers -TPIS throttle body airfoil Kills -'97 Mustang Cobra -'98 V6 Camaro -'89 5.0 ****stang -'97 Sebring -'96 ****stang Cobra Losses -'99 Mustang GT -'96 Mustang Cobra -'95 Z28 (good race) |
Hey TexasLT1 I am looking at doing an LT1 swap on my 87 L98 Iroc. What I was wanting to know is what parts will I need outside of All Sensors/Harness/Computer. I would also like to swap the 700r4 with a six speed. I would like to find a full list of parts, ( you know the misc. parts that you didn't know you would need when you started!)so I can make sure I get everything I need from the doner 4th gen car I get the LT1 from. Thanks for the help! Brandon |
Hey guys,I just got my 93 LT1 & tranny, swap war in now declared !!! ------------------ 89 Camaro RS Stock as a women with white panties LT1 IS COMMING SOON. |
hey i gotta a trick for you if you use a 94 corvette motor it will boltt up perfectly and the radiator hoses even match up without cutting them.about the air conditioning compressor with the vette system it's right next to the alternator on the driver's side of the car so all you wiill need to do is move the fuel lines to the other side of the car and get special hoses fabbed to run from the accumulator to the compressor and back to the condenser. |
hey i gotta a trick for you if you use a 94 corvette motor it will boltt up perfectly and the radiator hoses even match up without cutting them.about the air conditioning compressor with the vette system it's right next to the alternator on the driver's side of the car so all you wiill need to do is move the fuel lines to the other side of the car and get special hoses fabbed to run from the accumulator to the compressor and back to the condenser. |
Mine is a 93 Lt1from z28 , already got it , can't change it ! ------------------ 89 Camaro RS Stock as a women with white panties LT1 IS COMMING SOON. |
Hey Guys I'm thinking removing the LT1 now, I'm lost in the wiring harness and I don't have the money for ECM and painless wiring, I just received my pass-key module this morning and it got 16 pin connector, nothing on my harness has 16 pin, only 1 x 10 pin connector(white)and 1X10 pin conector(blue and the harness is complete...In canada the painless wiring harness cost around 500$US and ECM 250$US, I'll probably put back my 305 for a while and wait for everything because I'm FREAKING OUT! F*%K ------------------ 89 Camaro RS Stock as a women with white panties LT1 IS COMMING SOON. |
Ask around on this board , I'm sure someone will program out the vats for cheap cheap on your 93 chip , then you wouldnt have to worry bout it . Unless you really want the vats to work . IMO , as the cars get older vats is nothing but a big problem . Vats free for the last 2 years , no goin back https://www.thirdgen.org/messgboard/biggrin.gif |
Well it seems like nobody can help me anywhere so , i just don't know what to do . ------------------ 89 Camaro RS Stock as a women with white panties LT1 IS COMMING SOON. |
mat89rs, i might have the solution to your problem here in this link. the problem is you'll somehow have to figure out who the guy is that is selling the "black box" bryan |
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thanks , I'll look into this ! ------------------ 89 Camaro RS Stock as a women with white panties LT1 IS COMMING SOON. |
no problemo. |
Hi Matt, sorry I have been out of the loop for a bit. I think I have a portion of the answer to your question...not all of it. The pass-key module on the 89 RS is located behine the left side of the instrument panel near the steering column. 16 pins are correct for pass-key II. I am currently working the same problem, as I find information I will share it.... Hang Tough Ron |
Matt, I am not sure if this will help at all, but here is a wiring diagram of the decoder.... | | |-----------------------| A8 [] [] [] [] [] [] [] [] A1 B8 [] [] [] [] [] [] [] [] B1 |-----------------------| Slot Wire Color Description A1 Orn Power feed from ECM BAT fuse #4 A2 Pnk Power feed from ECM IGN fuse #5 A3 DK BLU Fuel enable signal A4 YEL/BLK Starter enable relay control A5 GRY "Security" indicator lamp control B5 BLK/WHT Ground B7 PPL/WHT Ignition key resistor return B8 WHT/BLK Ignition key resistor feed |
WoW, thanks alot ! hmm....i'll try to see if I can work something out ... ------------------ 89 Camaro RS Stock as a women with white panties LT1 IS COMMING SOON. |
multi-tasking, you've given me description for 8 wires, what about the other 8 ??? Do I need to wire them ??? ------------------ 89 Camaro RS Stock as a women with white panties LT1 IS COMMING SOON. |
Matt, sorry again, been out of the loop....again...You only used 8 of the 16 wires Ron |
Matt, a quote from the "big book". Any new PASS-Key II Decode Module will automatically program to the resistance of the key being used at the first Ignition "ON" cycle. This can only be done once for the life of the module." Be careful and make sure you have everything wire up correctly before attempting to start you car! v/r m-t |
the book says: PASS-Key II Decode Module will automatically program to the resistance of the key being used at the first Ignition "ON" cycle. my question is: Can I use the resistence on my 89 key or do I need to use the resistence of the 93 camaro ???? ------------------ 89 Camaro RS Stock as a women with white panties LT1 IS COMMING SOON. |
also you wrote : Any new PASS-Key II Decode Module : my passkey module is not new so will it burn the module if I don't do it right the first time ???? ------------------ 89 Camaro RS Stock as a women with white panties LT1 IS COMMING SOON. |
please reply ASAP THANKS ------------------ 89 Camaro RS Stock as a women with white panties LT1 IS COMMING SOON. |
no, it has to be new for it to burn the new code, if its not, you'd basically have to jack with it all afternoon with a multi-meter till you found the right resistance setting, I think |
Matt, TexasLT1 is correct.... It will only burn once... If you have one that has already been used., all is not lost... There are only 15 values (which I am sure you are aware of) that the passkey module use. You could try putting a POT between the module and the ECM and finding the correct value to start and run the car from there... Matt, I am sorry I feel like I am letting you down., after I posted I checked and checked for a reply from you and there was nothing., Man I thought everything was good with you and you car... I have the book., please just ask me a question and I will do my best to answer... I will check this posting everyday at 4PM CST... Hang in there.. Ron |
you can send an the computer to Fuel Injection Especialty there it texas and fhone #210-654-0774 www.fuelinjection.com I send my lt1 computer to them and they remove the VAT and they reprogram the ecm for better perfomance cost me $150.00 two three years ago and I bought the harness from the too but Its not cheap cost me $600+ |
Multi-tasking, can you get me the wiring diagram for both blue and white 10 pins connectors, and also the one for the sterring column (4 pin) connector ???? thanks alot, don't feel like you're letting me down, the engine is no longer in the car for now, I'm waiting until I know everything about it before doing it so I really appreciate your help ! thanks ------------------ 89 Camaro RS Stock as a women with white panties LT1 IS COMMING SOON. |
I'm also wondering something, where to connect the vats wires : A3 DK BLU Fuel enable signal A4 YEL/BLK Starter enable relay control thanks. ------------------ 89 Camaro RS Stock as a women with white panties LT1 IS COMMING SOON. |
Matt you will need the VATS controller and try a number of resistors in order to fool the VATS into thinking the correct key is in the ignition. If you need help with this I have all the info but it is a lttle too much to type here. Just email me at badassbird88@aol.com. ------------------ 88' GTA w/ 93'Corvette LT1 absolutely bone stock -4,000 stall -Custom Fabricated"True"Ram Air -200 shot NX Express -Southside Machine Lift Bar and Subframe Kit -11.43 in the 1/4 at 119mph with a 60ft of 1.59 seconds -488 RWHP and 526Torque -566 Flywheel HP and 610 LB/FT Torque at the Flywheel |
that's not an issue, the resistence is 513 ohm, I already know that, thanks anyway. ------------------ 89 Camaro RS Stock as a women with white panties LT1 IS COMMING SOON. |
Badas.sbird did you use the stock harness ???? if so can you tell me wiring information with wiring harness to dash ??? ------------------ 89 Camaro RS Stock as a women with white panties LT1 IS COMMING SOON. |
Multi tasking, you think you could scan me the wiring pages of the book ??? thanks ------------------ 89 Camaro RS Stock as a women with white panties LT1 IS COMMING SOON. |
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