burnout88

I would like to add a set of GM 1.6 self aligning roller rockers to my 88 IROC 305 TPI auto car. The peanut cam needs all the lift it can get. Any one done a rocker arm install that would be willing to give me a hand? I know there is a technique to the install and adjustment.

Thanks

ChainHartMachin

Two things you should check before installing 1.6 rockers.

1) You may not need self-aligning rockers. If the push rod slots in your heads are rectangular and barely any bigger than the push rods themselves, then you should not need self-aligning rockers. However, if the slots are circular and much bigger than the push rods, you need self aligning rockers.

I mention point #1 because my 88 350 engine had rectangular slots and self-aligning rockers, but non-self aligning rockers would have sufficed as an upgrade.

2) Sometimes the push rod slots in stock heads need to be enlarged when converting to 1.6's. Only way to know for sure is to check before you run it.

birdtojag

iTrader: (1)

Once you get these things dealt with, it's really not hard to put them in. Just takes a little time and patience. Shoot me a PM and we can see if I can get a free day to help you out.

burnout88

Thanks guys. I will pull the valve cover and check out the rocker arm slots. Birdtojag I will pm you once I am sure what I am dealing with. Thanks again for the tips and help.

burnout88

Ok just my 1.6 crane gold roller rockers in today. They look really nice. They are the self aligning type rockers.

DocHoliday

Just a question, why not replace the cam and lifters as well if you're already swapping rockers? You said you wanted to get more lift out of your peanut cam, why not get rid of it entirely eh? Just curious!

burnout88

Well, a cam swap is a really big project and I really did not want to get that deep into a motor that has 100k miles on it. The motor runs good and has good compression but I know if I go that deep into it for a cam swap it will turn into an even bigger project.

So basically, I was just looking to get a little more out of the original motor before it gets a total change.

burnout88

Here is some pics of the stock rocker arms and heads. They are clearly self-aligning arms, with no guideplates.

ChainHartMachin

Your heads also have square push rod slots barely any larger than the pushrods themselves. So you probably don't need the self-aligning rocker arms, but if you have them already you use them.

burnout88

Birdtojag got my new rockers installed today on the IROC. He nailed the adjustment on the first try!!! The motor is actually a lot quieter then it was with the stamped steel rockers and there is a very noticeable power increase. The install is very straight forward and it is actually an easy mod once you know how to properly set the rockers. I think we were done in just a little over an hour and most of that time was removing and installing the valve covers.

Birdtojag is awesome!! He really took to the time to show me the correct install procedure.

ChainHartMachin

Did the crane golds come with poly locks?

That's great to get a noticeable power increase from the rockers. In addition to the extra lift from 1.6 vs. 1.5 stock, the roller pivot point has much less friction then the stock ball and seat which also increases power.

Something I read about stock stamped rockers a while back is that even though they are said to be a 1.5 ratio, they very rarely are when measured and are usually less. What's more, the ratio is often not consistent between rockers.

drknow90rs_ss@y

iTrader: (3)

Chris is a nice guy, isnt he? Glad you got that done! He is my Go-to guy whenever I have no idea what I am doing. (Which is quite often!)

burnout88

Yes, poly-locks were included. The power increase was instantly noticeable. I give it a couple of revs and it tached up so much faster. Then pulled out of the driveway and hit the gas and it snapped the tires loose on second gear. I can't believe how much harder the car pulls. I really should have put these on a long time ago. I guess it really is a poor mans cam swap.

The crane gold rockers really are very nice quality.

drknow90rs_ss@y

iTrader: (3)

Just for reference, what was the part number for those Crane Gold rockers?

BluFBdy

iTrader: (1)

Chirs has always been great with helping, hes saved my butt a few times and even gone to the yards with me to find parts

speaking of roller rockers chris are the crane rockers you gave me 1.5 or 1.6???

burnout88

part # 10758-16

Amazon has the best deal on them at $344 but that is not what I paid for them. I bought them back in Feb. and they were only $310 then. Looks like everyone just had a price increase on them.

http://www.amazon.com/Crane-10758-16.../dp/B000CCFGQY

drknow90rs_ss@y

iTrader: (3)

Ah, thanks! I've noticed the prices on a lot of things are going up! Were in a recession.... Makes no sense!

birdtojag

iTrader: (1)

Andy, the rockers I gave you are 1.5s. I'm always glad to give a helping hand for you guys. Hardest part is finding the time. Brian, thanks for letting me use your scanner. I was good to finally see what the readings were on my car. If I can get it to act up again, I'll let you know and we will see what we can find if there actually is something wrong with it. BTW, did you get a chance to see what the reading was on your MAF with key on, engine off? Courious to see if my MAF is actually failing.

ChainHartMachin

The fed's low low interest rates combined with the extra dollars ( i.e. printed money) are helping to de-value everyone's dollar. Also, commodities prices are rising.

Good to see that people aren't buying into the so-called "recovery".

DRIVE2FAST

NOW I GOTTA GET CRANE GOLDS. ( MY HEADS ARE OUT AND TORN DOWN. NO BETTER TIME THAN NOW )

BigWhiteGTP

Thats awesome Brian, glad that camaro of yours has some more power. You going to take it to the track and see what it does?

burnout88

I hoping to get it out the track later this month and maybe finally get a nice solid 14.8 run in.

burnout88

I checked it and with key on, engine off I got 15 gr/sc on the scanner. What did yours read again?

drknow90rs_ss@y

iTrader: (3)

It's all just a shell game. Like the "Gas game". By the end of summer people will be happy that a gallon of regular unleaded is "Only" $2.99[9]. Forgetting that it was $2.79 [9] just 6 months ago.

BluFBdy

iTrader: (1)

Remember When it hit 1.99????i went to qt @ southern and crismon, almost pissed myself I was so excited, now im paying 4.09 up here for 87

drknow90rs_ss@y

iTrader: (3)

LOL, when I first started driving, gas was .72c a gallon.... .99c was the price for quite a while ('88,'89,'90.) My, how things change....