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Quote:

Originally Posted by BoostGear (Post 1291140)

The stock 420A is a good stock motor, however most guys find when they take them over about 200 horsepower, the stock rods grenade. As someone else stated before me the stock rods have micro-fractures all through them due to how they are manufactured (quick and cheap). Even at 6 - 7 psi you are just playing the wait game for it to blow up IMO.

Now if you put Eagle rods and Wiseco pistons in one and get the crank done right, Cometic head gasket, etc. etc. etc. they are pretty solid for up to 400 horsepower where the open deck design of the block starts to become a possible problem.

I don't know if anyone builds the auto trannies in these cars but I wouldn't push the stock one overly hard because we have worked on plenty of Neon's, N/T 2G Eclipses, and older Chrysler Cirrus based cars that get over 100,000 on the tranny and start slipping almost like a stop watch.

ic, ya on a few forums of DSM owners there have been ppl making in the 250-300hp on stock engines. they only do it for a few months to a year. i plan on internals but just not for a lil while yet. which is why im thinking that on only a few psi i should be fine for a lil while, atleast till i get more money to build the engine up. and im sure the auto tranny will hold up to a few psi of boost to. but if i do blow the engine i can also swap motors for a Evo 8 4G63, as they drop right in with lil to no modification

and im not looking for a really fast car, since will be a DD, just want that lil extra power.

As stated the 420 is not the strongest motor ever put in an eclipse but, they can take some boost just dont let urself get carried away and watch the tuning. the trans also should hold up ok as long as it is in good working order before u boost it.

ya im not gunna go crazy. just 5-7 or so for awhile

you better post pics man! no butts! i have a spare header for one lying in my closet minus the down pipe if you want it ill ask the wife how much she wants for it.

i will. i HOPEFULLY if noone screws around ill have the damn car tomorrow. you have turbo headers? or jut 4-1 or 4-2-1 header? but i dont have paypal or a credit card lol but im sure we could figure something out

we were going to do an hmt style turbo set up on hers. its a 4-1 na header u mod to fit a turbo. we have a ihi rhb5 turbo and greedy rs bov knock off lying here but i will have to ask her how much she wants for it. lol money orders work fine.

haha ok. the 4-1 would be nice. im only 19, and the way the economy is lol ima broke lil white boy lol

let me see how much she want for it. and ill let you know.

alright thanx! i know some of my questions probally where dumb or ignorant. but asking questions is the way to learn. thanx for your help and info though