Question about Stronger Blocks!

blksn955.o · Apr 8, 2007

I would call BS on the mex. block handling 800hp with anything long term reliablitly/life. They are better than the late model roller blocks or late model "thin wall casts" of the 80+ but I do NOT see them making a safe foundation for anything in the 800hp range at all.

Those early 351's that are stronger will not hold that so there is no way a smaller motor that will have to be reved higher will survive.

Another thing about the older blocks is they will not be roller ready so you will need a retrofit cam setup.

Is a mex. block better than our factory block...yes. Is it anything close to a dart...NO.

poneypower89 · Apr 8, 2007

I have a mexican block

They are located in cars made in the 70's at COMPLETE RANDOM.

Keep ur eye out for 302 equiped lincolns/mercurys/larger cars etc.

They are also on ebay and the classifieds every now and then.

U can call BS on it all u want... proof is in the pudding bud. They perform under high HP conditions very well. I never said or implied they were a dart.. but a NICE step up from stock which is what RC was inquiring about in the first place.

94GTLaserRC · Apr 8, 2007

poneypower89 said:
I have a mexican block

They are located in cars made in the 70's at COMPLETE RANDOM.

Keep ur eye out for 302 equiped lincolns/mercurys/larger cars etc.

They are also on ebay and the classifieds every now and then.

U can call BS on it all u want... proof is in the pudding bud. They perform under high HP conditions very well. I never said or implied they were a dart.. but a NICE step up from stock which is what RC was inquiring about in the first place.

MOOT point anyway...Im not looking for individiual components...Im looking for a built long block.

Thanks anyways!
RC

poneypower89 · Apr 8, 2007

94GTLaserRC said:
MOOT point anyway...Im not looking for individiual components...Im looking for a built long block.

Thanks anyways!
RC

Sweet deal... good luck!

fiveohh94gt · Apr 8, 2007

how about the new Boss 302 block from FRPP, i believe its about $500 less than the dart bocks

94GTLaserRC · Apr 9, 2007

fiveohh94gt said:
how about the new Boss 302 block from FRPP, i believe its about $500 less than the dart bocks

How are they rated?

Also, If I got that from FRPP, the TOTAL price will probably way more than sticking with CHP, which I know from Joe and Roger will do the job right.

THanks
RC

enyawix · Aug 1, 2007

poneypower89 said:
Surprised no one has brought up the Mexican Block.

Its definitely a step-up from the 5.0l stocker. And a HECK of a lot cheaper than a dart for sure.

Is the Mexican Block a roller lifter block?

Killercanary · Aug 1, 2007

enyawix said:
Is the Mexican Block a roller lifter block?

Nope and that is why I concider them a waste if you don't get one for free. My reasoning for this is that if you plan to keed the hyd. roller setup like most would do then you are stuck buying the retro fit lifters that are >$350 a set. Add that to the price of what people want for a mexican block and it starts getting pricey really quick. If you got one for free then it might not be so bad, but most mexican blocks I have seen comand a hefty price. I went dart and will never look back. Sure it was a difficult decision to make as it isn't cheap, but knowing my lust for speed and the fact that I'll have this car forever, it was the right choice for me. I got my parts from Kevin at http://www.kskustoms.com and Rick91GT from http://www.rnhperformance.com did the engine building for me. Rick was a huge asset and I highly recommend him to anyone.

Although I have no experience with the world blocks, from what I've heard they are heavier and can cause header clearance issues due to their extra head bolt casting. While I think this is a great idea, IMO unless you are shooting for the >1500hp mark with gobs of boost I don't think its the best decision. I am keeping a close eye on the Boss block. If the machine work doesn't require a lot and the bore size can SAFELY go to 4.125" and beyond then it might be one of the best options out there. If it ends up needing a ton of machining and if 4.125" bore prove to be THE max then its value goes way down.

enyawix · Aug 1, 2007

Killercanary said:
if you plan to keed the hyd. roller setup like most would do then you are stuck buying the retro fit lifters that are >$350 a set.

I looking for a stable 500hp 500tq

I gave up on finding a roller 351 block; but if I can get retro fit lifters for about 350 I would be happy. Selling my 347 short block would about cover a 351 intake and lifters

igotyofire · Aug 1, 2007

a 351w is probably most cost effective, along with the added displacement to help aid power heh. i dont think 351w should be that hard to find, they came in trucks as well as vans and the bronco from my understanding.

Pokageek · Aug 1, 2007

enyawix said:
I looking for a stable 500hp 500tq

I gave up on finding a roller 351 block; but if I can get retro fit lifters for about 350 I would be happy. Selling my 347 short block would about cover a 351 intake and lifters

PM Rick91GT. He might be able to hook you up.

demon40 · Aug 2, 2007

Lifter valley girdles

Sorry to steal your thread, but this could help you also. Does anybody know anything about the lifter valley girdles. I forgot who makes them, but would that really help hold the motor together any better.

Killercanary · Aug 2, 2007

demon40 said:
Sorry to steal your thread, but this could help you also. Does anybody know anything about the lifter valley girdles. I forgot who makes them, but would that really help hold the motor together any better.

LOL! That thing is a joke IMO. If you ever saw one and the little fasteners it uses you'd feel the same way. The general concensus is the same, if you want more information on it do a search over at hardcore as its been covered there. You'll see a lot of replies similar to... "you already have a lifter valley girdle, its called your lower intake!"

Yobi1Kanobi · Aug 2, 2007

Killercanary said:
LOL! That thing is a joke IMO. If you ever saw one and the little fasteners it uses you'd feel the same way. The general concensus is the same, if you want more information on it do a search over at hardcore as its been covered there. You'll see a lot of replies similar to... "you already have a lifter valley girdle, its called your lower intake!"

If is gonna rip that POS isnt going to hold it so why bother with it. And spend the money on it and the machining. What a scam

demon40 · Aug 2, 2007

Valley girdle

Thats what i figured, ive never seen one personally but figured i would ask. But for the original question i would go with the new Boss302 block. If i had the money i would already have one in my car.

enyawix · Aug 3, 2007

demon40 said:
Thats what i figured, ive never seen one personally but figured i would ask. But for the original question i would go with the new Boss302 block. If i had the money i would already have one in my car.

Can the new boss block use 302 heads intake etc., or do you need hard to find boss parts?

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