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Originally Posted by rabbitman
Refer to below.
Even I wouldn't waste my time putting nitrous on that POS 3l.
Just so people don't think I don't know about dodge caravans..here's mine
Lets see, I've owned it 2 years, put a tranny in, did the head gaskets, what a **** of a job that is. And went through 3 sets of plug wires, although AC Delco did give me new ones for free each time. Yeah it would handle nitrous, until you blew all the valve seats, and head gaskets, and rings, and tranny, and differential, and axles etc. If you could get it together, its still would only run 15's. See Turbo Minivan.com for reference to a turbo V6 1996 caravan. However, there are a few 4cyl turbo caravans in the 12s. Now that is a sleeper. That site is good for a laugh, and if you drive a mustang, what to watch for at stoplights. |
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Thats funny. I like the turbo minivans, but the 3.0L can be made very fast if you know what you are doing.
My current minivan has 390,000km on its original engine and transmission. In the last 100,000km I have put on it, the only non wear item that had to be replaced was the original waterpump - bearings went. Its getting rusty and I am driving it until it dies.
The last minivan I had threw a rod at 290,000Km after surviving a lot of spray. I did the headgaskets myself after the previous owner had them done and it never ran right and leaked. Corteco gaskets with new aftermarket bolts, and the heads surfaced. The block should have been but I didn't want to pull the motor. The trick is the surface of the head and block. It needs to be much rougher than stock to hold the gasket from moving. I had my engine builder use a broach instead of a surface grinder to surface the heads. He set the speed of the feed up so that the surface was noticably rough. Never leaked or blew another head gasket. That was done at a little over 200,000km.
You can spray them into the high 11's but the motor doesn't like it for two long. Turbovan halfshafts are stronger and are a bolt in. Get the forward motion pinion support or tack weld the crosshaft into the case. The diff is the weakest spot if you swap in the turbovan axles (real ones from Mopar) and support. 96 and up 3 speed have much larger bearings and will take a lot more abuse.
The 4 speed Ultraglide trans will not take it but the old 3 speed will with no problems with a good shift kit. Turbo Action makes one. Just make sure you have a big cooler and ATF+3 in it.
The van will not last, but will run in the 12's or high 11's if you take a lot of weight out. The earlier ones weigh nothing. Mine was an 87'.
BTW - you know the stealth twin turbo engine is basically the same as the minivan engine except for the DOHC heads and pistons, right? Its rated at 350hp stock. Same basic block, rods, crank, etc. Only difference to the bottom end is the minivan blocks all have the oil filter pad moved. A complete stealth motor will bolt into a minivan if you rebuild it with a minivan block.
You can easily make a minivan all wheel drive also, but the rear diff is weak also, Just use a live axle.
Ultimate Sleeper?
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