LTX and LSXPutting LT1's, LS1's, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects, including repairs, swap info, and performance upgrades.
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So the engine went out in the car finally. I have a cousin who wants to sale a 5.7 vortec to me for just 400. It's still running and under 95,000 miles. doesnt smoke or anything. Only thing is, is there really a 5.7 vortec in a roadmaster? before buying it i wanna make sure it's do-able and will fit.
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yes it's a 95 i believe. and he said he's 100% sure that its a 5.7, just doesnt know what kind? would i be able to use the engine as a block doner and swap on the tpi system?
yes it's a 95 i believe. and he said he's 100% sure that its a 5.7, just doesnt know what kind? would i be able to use the engine as a block doner and swap on the tpi system?
yea ya can, and yes the 95 roadmaster had a 5.7 MPI
260HP
335 Ft Lbs to
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lol niiiiiiiiiiiiice. now yall are getting me on the side to buy it. Cousin just dropped the price to $150 . This engine is pretty much like a lt1 correct?
94-96 Roadmasters got the 5.7 LT1 engine, all of them, sedans and wagons. The 4.3 liter version (L99 engine) was used in the caprices and is usually identifiable by it's single exhaust pipe.
The LT1 heads are not able to make use of TPI systems without some modification. The LT1 is reverse flow cooling and there are no coolant jackets in the heads and the distributor is on the front of the engine, behind the balancer.
I am considering an LT1 swap for my 82 Firebird and although I am familiar with the B-body cars and their engines, I havent researched what is going to be required to make the switch.
You need the engine, accessories, harness, sensors, and PCM. Not because it's a bigger engine, but because it's an LT1 swap.
Wouldn't be a bad idea to get the transmission if you can. Better piece than the TH700R-4, and the PCM runs it as well as the engine (instead of an Engine Control Module like 3rd gens, the later years had a Powertrain Control Module).
I just know that their hedman shorties. Never had time to install them so i paid a friend to pick them up and do it. Never really worried about the size or thickness either due to the fact that i bought them brand new for $40. i'm sure i can find out tomorrow
The 4L60E is basically a computer controlled 700R4. No better, no worse, just a few different components during a rebuild. They can be built almost bullet proof if need be. I would get the trans just because it will make the whole swap easier in that you wont have to worry about a kickdown cable. You will however have to worry about a torque arm mount. I havent checked into any products out there yet to accomplish this.
FWIW, my 1994 Caprice went through 2 4L60E's in 3 years. My 1996 Roadmaster has 217k miles on the original 4L60E. Sometimes you get a bad one, sometimes you get a good one.
yea ya can, and yes the 95 roadmaster had a 5.7 MPI
260HP
335 Ft Lbs to
It makes decent power considering its cam is like 190/196 duration @ .050" lift. TINY cam. Any cam at all really will wake it up like a shot of nitrous.
. This engine is pretty much like a lt1 correct? 
