89cobra5.0

I was on my home from class accelerating down the onramp to the freeway when it struck, POP!... broken belt, water pump pulley is tilted back, oil dripping, yadada. my dad thinks I tore up the front end of my crankshaft (Im with him) which calls obviously for a rebuild. Heres the deal, I got bored (no pun intended) with the stock 302, and have been wanting to stroke it for some time, and now is probably that time. Ive got a very very mild h/c/i, consisting of the e7's with a vj and portwork, ecam, and gt40 upper and lower. I know these parts are going to be very very limiting on the power the 331 can make, but I also want/have to stay emission legal, so other than the stroker kit I cant be buying other parts just yet.. what gains will I see with a 331 on that mild h/c/i, and will it cause any problems with like air flow restriction ie: too little air for the car, etc. and will it be streetable? any input is greatly appreciated

.boB

I wouldn't bother rebuilding the engine you have. When you break a crank, it's common to break the block casting, bend rods, damage pistons, etc. The re-worked stock heads are very limiting in power.

I would contact a company like PAW or Coast High and have them ship you a long block. You'll save a lot of time, and probably money. And you'll end up with a screamin engine.

aurdraco

What he said. When my balancer unbalanced on my '92 5.0 auto-x car, the front half of my crank shot out the front of my block, wrecking the entire motor and creating some neat "S" shaped rods. Even if your crank did not seek the freedom of the outside world, odds are it fubar'd the motor.

If nothing else, go get a shortblock and slap your heads, etc., on it. If going the 331/347 route, this will probably save you time, $$, grief, sweat, and tears.

abmtex2007

i would go with a stock 89-92 block so you keep it cheap then get a power adder OR do a 351 swap!

mjr46

don't waste your time with putting those 302 parts you have on a stroker, given a few better options with h/c/i, I could make a 302 build outpower that mismatch of parts on what you intend to swap on a stroker

89cobra5.0

ya, my dad and I are gonna go the short block route, just cause this happened at a really bad time financially for my family with my sister getting married in a few months and all.. not to mention I cant go too crazy because my dad probably wont write the check for what Id like, which sucks cause im paying them back anyways..
Id like to put a much better h/c/i on it, but I only have to use what I already have, I can add better heads, etc down the road.. I figured Id be having to get a new block and a rebuild kit, new crank, pistons etc so I wanted to get some cubes while its under the knife, what besides a different crank is required for the 331?

mjr46

^^pistons , rods and crank, and whole assembley should be balanced and you'll need a 28 oz flywheel and balancer and all machine work done to the block, I paid 1900.00 for a 347 delivered to my front door and I provided flywheel and cam and timing chain

89cobra5.0

well I know this post is a bit old I just thought it might entertain you to know Ill be driving a nice little 347 forged stroker kit around with a mild h/c/i on it in under two weeks ;]

saleenpride1986

very nice very nice! get some pics up when you get it installed and after, Ive always enjoyed before and after pics.

jtmustang

you will be pissed when you build that 331 and throw on 302 budget parts and dont make much more than the budget 302 h/c/i i suggest if u dont daily drive the car wait out and save for better heads and intake and also christmas is coming ...lol