Will this Fit In my 91z28? PLEASE asap
Thread Starter
Senior Member
Joined: Jun 2000
Posts: 768
Likes: 0
From: Fairfax, VA
Car: 1991 z-28
Engine: zz4 350
Transmission: t-56
Will this Fit In my 91z28? PLEASE asap
http://cgi.ebay.com/ebaymotors/ws/eB...tem=1864499726
Ok ive been looking to change my car to stick, and get a new engine, then i saw this on ebay..... its engine and tranny combined, i could potentially save alot of money buying both of these??
Please help me out here, is this doable?????? what would i need? how much you think it would cost to put in?? just anything u can add please help me out thanks
Ok ive been looking to change my car to stick, and get a new engine, then i saw this on ebay..... its engine and tranny combined, i could potentially save alot of money buying both of these??
Please help me out here, is this doable?????? what would i need? how much you think it would cost to put in?? just anything u can add please help me out thanks
Supreme Member

Joined: Jan 2001
Posts: 7,164
Likes: 1
From: Someone owes me 10,000 posts
Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
Yes, it can be put in, and would be a killer combo.
But it's not an easy process with all the wiring, I'm not sure how much a shop would charge, my guess would be around $1k.
Oh yeah, I'd be surprised if that goes for under $6k, just a guess though, I haven't really priced those before.
But it's not an easy process with all the wiring, I'm not sure how much a shop would charge, my guess would be around $1k.

Oh yeah, I'd be surprised if that goes for under $6k, just a guess though, I haven't really priced those before.
Last edited by Mark A Shields; Sep 30, 2002 at 02:37 PM.
Joined: Jul 1999
Posts: 1,272
Likes: 2
From: Muskego, WI
Car: 1985 Trans Am
Engine: 350
Transmission: T5
Axle/Gears: 3.70
LS1 swap is alot of work. Check the engine swap board. There is a sticky message at the top with links to people who have done it.
If you have a shop do it expect to pay them $10-15,000 to do it. inlcuding engine.
If you have a shop do it expect to pay them $10-15,000 to do it. inlcuding engine.
Joined: Jul 1999
Posts: 1,272
Likes: 2
From: Muskego, WI
Car: 1985 Trans Am
Engine: 350
Transmission: T5
Axle/Gears: 3.70
Including the price of engine and trans - YES!
This isn't a direct swap and isn't something that would take a weekend.
This isn't a direct swap and isn't something that would take a weekend.
Supreme Member

Joined: Jan 2001
Posts: 7,164
Likes: 1
From: Someone owes me 10,000 posts
Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
Originally posted by TBI305Camaro
completely off topic but those rims look photoshopped for some reason.
completely off topic but those rims look photoshopped for some reason.
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Supreme Member
Joined: Jul 2000
Posts: 4,541
Likes: 2
Car: 1991 Corvette Coupe
Engine: L98
Transmission: 700R4/4L60 same trans different name
yeah, i say $1000 for labor is a long shot...............this is custom work......most garages charge about $90 an hour labor (the one i work in charges $80.....go figure).......so go by that........you'd be better off investing $$$ in good tools and having at it yourself
used LS1 $3000
used T56 $1500
clutch $700
it only gets worse from here...............
thats over $5000 already and thats no where near all the parts needed
custom exhaust will need to be fabricated
motor mounts
$$$$$$
used LS1 $3000
used T56 $1500
clutch $700
it only gets worse from here...............
thats over $5000 already and thats no where near all the parts needed
custom exhaust will need to be fabricated
motor mounts
$$$$$$
how much do you think a used LT1 would run? that would be a much easier swap...i want to get a lt1 from a junkyard...sell the fuel injection on ebay...carb it and put it in my car...thats my realistic dream.
Engine/trans Cost for LS1 engine, T56 trans, PCM, wiring, etc. $4,500
Shipping cost for engine and transmission $350
Rework oil pan to fit G-body chassis $250
Clutch pedal fabrication & misc. parts $145
Motor mount fabrication $150
Rework engine wire harness by Speartech $400
UPS charge for shipping harness $11
Cable GM 12565559 Throttle body/accelerator cable $15
Cover GM 12559261 Engine Fuel Rail Cover $20
Cover GM 12556455 Engine Fuel Rail Cover $20
Plug Wire GM 12192133 Longer spark plug wire for #8 Cylinder $8
Engine Sub Total _ _ _ $5,870
_ _ _ _ _
GM 17997785 Console shifter boot ('93 Z-28) $53
Abbott Ratio Adapter & labor to correct tach reading $163
Used F-body clutch Master Cylinder bracket $3
Misc. 0.25" x 3.5" steel plate for Crossmember brkts $9
Used C5 six speed shift **** $35
Cable "X" Speedometer adapter box $260
Installation, cable fabrication & calibration of Cable "X" $56
Cross Member 4" drop cross-member kit by Alston Chassisworks $105
Welding for cross-member kit $43
Rear transmission mount $10
ZO6 clutch, flywheel, pressure plate, throw-out bearing $288
Driveline shorten/balance & u-joints $140
Transmission Sub Total _ _$1,166
_ _ _ _ _
Flex pipe _ To mock-up exhaust pipe routing $13
Labor & materials to bend 2-1/4" head pipe $25
M18x1.5 bolt to plug O2 hole on LH exhaust manifold $3
New bung for relocated LH exhaust O2 sensor $11
Exhaust Sub Total _ _ _ $52
_ _ _ _ _
Fabricate new A/C bracket $300
Bolts GM 11516365 Two bolts for A/C bracket $6
Sensor GM 22664328 LS1 high pressure A/C sensor $36
Labor & Mat'l for recharging A/C system $121
O-rings, seals, oil for converting from R134 to R12 $36
Accumulator NAPA 208545 New accumulator for R12 conversion $53
Orifice F/S 30902 In-line high pressure orifice for A/C line $35
Relay & terminals for connecting A/C switch $7
Fabricate/rework A/C compressor lines $89
Rework high pressure line for sensor & inst fitting $18
Used condenser w/fittings on passenger side $24
Air Conditioning Sub Total _ _ $724
_ _ _ _ _
_ _ _ _
Used '97-'98 C5 fuel rail $125
Braze on new -5 & -6 AN fittings onto fuel rail $13
Fabricate stainless braided fuel lines for fuel rail $43
Fuel Pump GSS340 Walbro electric in-tank fuel pump $103
Brazing of fuel line fittings, bump tube fab, etc $61
5/16" rubber high pressure fuel line $7
3/8" rubber high pressure fuel line $9
Used TBI fuel sending unit w/shipping $40
Rework Fuel Tank sending unit fuel line to full 3/8" $34
New fuel filter $11
Fuel System Sub Total _ _ _ $445
_ _ _ _ _
Fabricate 4" diameter air intake tube $77
Air Filter R40-0008RAM K&N 4" diameter conical air filter $41
Elbow 90HL40R35 Rubber HD air intake elbow at throttle body $20
Connector 40R35SL Rubber HD Hump Tube between MAF & intake tube $10
T-bolt Clamp TBC400 4" T-bolt clamps for rubber connectors (qty 2) $6
T-bolt Clamp TBC450 4.5" T-bolt clamps for rubber connectors (qty 3) $9
Tapered plug for EGR block-off at intake manifold $1
Air Intake Sub Total _ _ _ $166
_ _ _ _ _
Used GN/TR electric fan and top plate $130
Radiator Modine 951 New aluminum IROC radiator $152
NAPA 7620 Upper radiator hose $15
GAT 22487 Lower radiator hose $20
Used relays and wiring N/C
Fan Belt GAT K061000 100" long serpentine accessories beltn $23
Cooling System Sub Total _ _ _ $340
_ _ _ _ _
Fuses, wire, terminals, connectors, etc. $40
Bolts, drills, taps, gaskets, paint, etc. (excluding oils) $219
_ _ _ _ _
Phase I Swap Sub-total $9,023
Shipping cost for engine and transmission $350
Rework oil pan to fit G-body chassis $250
Clutch pedal fabrication & misc. parts $145
Motor mount fabrication $150
Rework engine wire harness by Speartech $400
UPS charge for shipping harness $11
Cable GM 12565559 Throttle body/accelerator cable $15
Cover GM 12559261 Engine Fuel Rail Cover $20
Cover GM 12556455 Engine Fuel Rail Cover $20
Plug Wire GM 12192133 Longer spark plug wire for #8 Cylinder $8
Engine Sub Total _ _ _ $5,870
_ _ _ _ _
GM 17997785 Console shifter boot ('93 Z-28) $53
Abbott Ratio Adapter & labor to correct tach reading $163
Used F-body clutch Master Cylinder bracket $3
Misc. 0.25" x 3.5" steel plate for Crossmember brkts $9
Used C5 six speed shift **** $35
Cable "X" Speedometer adapter box $260
Installation, cable fabrication & calibration of Cable "X" $56
Cross Member 4" drop cross-member kit by Alston Chassisworks $105
Welding for cross-member kit $43
Rear transmission mount $10
ZO6 clutch, flywheel, pressure plate, throw-out bearing $288
Driveline shorten/balance & u-joints $140
Transmission Sub Total _ _$1,166
_ _ _ _ _
Flex pipe _ To mock-up exhaust pipe routing $13
Labor & materials to bend 2-1/4" head pipe $25
M18x1.5 bolt to plug O2 hole on LH exhaust manifold $3
New bung for relocated LH exhaust O2 sensor $11
Exhaust Sub Total _ _ _ $52
_ _ _ _ _
Fabricate new A/C bracket $300
Bolts GM 11516365 Two bolts for A/C bracket $6
Sensor GM 22664328 LS1 high pressure A/C sensor $36
Labor & Mat'l for recharging A/C system $121
O-rings, seals, oil for converting from R134 to R12 $36
Accumulator NAPA 208545 New accumulator for R12 conversion $53
Orifice F/S 30902 In-line high pressure orifice for A/C line $35
Relay & terminals for connecting A/C switch $7
Fabricate/rework A/C compressor lines $89
Rework high pressure line for sensor & inst fitting $18
Used condenser w/fittings on passenger side $24
Air Conditioning Sub Total _ _ $724
_ _ _ _ _
_ _ _ _
Used '97-'98 C5 fuel rail $125
Braze on new -5 & -6 AN fittings onto fuel rail $13
Fabricate stainless braided fuel lines for fuel rail $43
Fuel Pump GSS340 Walbro electric in-tank fuel pump $103
Brazing of fuel line fittings, bump tube fab, etc $61
5/16" rubber high pressure fuel line $7
3/8" rubber high pressure fuel line $9
Used TBI fuel sending unit w/shipping $40
Rework Fuel Tank sending unit fuel line to full 3/8" $34
New fuel filter $11
Fuel System Sub Total _ _ _ $445
_ _ _ _ _
Fabricate 4" diameter air intake tube $77
Air Filter R40-0008RAM K&N 4" diameter conical air filter $41
Elbow 90HL40R35 Rubber HD air intake elbow at throttle body $20
Connector 40R35SL Rubber HD Hump Tube between MAF & intake tube $10
T-bolt Clamp TBC400 4" T-bolt clamps for rubber connectors (qty 2) $6
T-bolt Clamp TBC450 4.5" T-bolt clamps for rubber connectors (qty 3) $9
Tapered plug for EGR block-off at intake manifold $1
Air Intake Sub Total _ _ _ $166
_ _ _ _ _
Used GN/TR electric fan and top plate $130
Radiator Modine 951 New aluminum IROC radiator $152
NAPA 7620 Upper radiator hose $15
GAT 22487 Lower radiator hose $20
Used relays and wiring N/C
Fan Belt GAT K061000 100" long serpentine accessories beltn $23
Cooling System Sub Total _ _ _ $340
_ _ _ _ _
Fuses, wire, terminals, connectors, etc. $40
Bolts, drills, taps, gaskets, paint, etc. (excluding oils) $219
_ _ _ _ _
Phase I Swap Sub-total $9,023
uuh yeah what he said. Or you could do the lt1 swap for much much less money im sure.
The lt1 swap requires alot less fabricating and you can even use your current tranny (assuming you have a v8 car)...from what ive been told the hardest thing is the wiring. with my plan i wont have to worry about it and i should make enough money off the lt1 intake on ebay to buy a dist, carb, and intake (maybe). Ive seen alot of TPI setups go for 500$ so i figure a lt1 FI will go for at least 600$ or so.
The lt1 swap requires alot less fabricating and you can even use your current tranny (assuming you have a v8 car)...from what ive been told the hardest thing is the wiring. with my plan i wont have to worry about it and i should make enough money off the lt1 intake on ebay to buy a dist, carb, and intake (maybe). Ive seen alot of TPI setups go for 500$ so i figure a lt1 FI will go for at least 600$ or so.
Last edited by TBI305Camaro; Oct 2, 2002 at 12:05 PM.
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