GANGA35

Any one ever used ACL Race Series cast type pistons or engine rebuild kits??
Any good???

brenx

My last engine used ACL race series pistons. My opinions on them isn't very good. The skirts collapsed causing what you'd call piston slap. My old engines bores showed some real ugly marks.

They lasted 25,000k's and I noted signs (smoke out the tailpipes) by 30,000k's they were gone. That engine spent most if it's life around 3000-4000rpm. Only went higher when I raced it. Cruise rpm for me (100kph) was 3350rpm.

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XB Fairmont (street car) 11.07@123.02mph.

fat071

I used them in the first 302 that i built some 9 years ago as brenx said they only lasted 20-30,000 klm's and the motor only reved to 6000 rpm when raced and around 2500-3500 rpm daily driving. It all depends what your buget is and your going to do, do you want to rebuild in 30,000klms or not?
If money isn't a prob then go something better.
Mick

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pinkbits

im with these fellas - been there done that ,too much wear,get better

CJR09

So what would you guys recommend instead of the acl race series to suit 302 rod then? Or would you recommend not using 351 crank/302 rod/short skirt piston all together?

brenx

If you can't find a decent piston to suit? Use a 351 rod. Plenty of piston options available there.

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XB Fairmont (street car) 11.07@123.02mph.

xbgs351

Have you looked at the Hypatec offerings?

pinkbits

theres nothing wrong with the 351 set up
my current motor is 351 with 302 heads and its a great motor , nothing over the top just a good motor , never been on dyno so i dont know what power

TTNOS8

Have built one clevo with the ACL Race series, 351 with 302 rods.

Very nice. But admitedly, the engine has probably only done around 2,000kms as not long after it was built the owner end up in a wheel chair.

Fear not, he will be back in action with the XD this year, but with CHI's, nitrous and a nasty auto/diff combo

Few here reckon the aren't much chop so take some advice from these people. They've used them. Only thing is that some may have been harder on their gear than is led to believe.

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Hardtop

SpeedPro make a piston but i cant find a part No or speedpro's website, as i wouldn't mind a set either, ACL's are priced at $774