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36 hp H beam rods are done
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splitpile
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PostPosted: Tue Jan 21, 2014 12:08 pm    Post subject: 36 hp H beam rods are done Reply with quote

All right all you 36hp power guys, I just got word that the 36 hp H Beam rods are done and are now being checked out in quality control. These will be available in either 20mm or 22mm wrist pins. I should have a set of each here in a week or two to check out and test
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Mr. Motorhead
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PostPosted: Tue Jan 21, 2014 12:53 pm    Post subject: Reply with quote

Are those the ones AA performance were working on or are they raw rods that are finished elsewhere?
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splitpile
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PostPosted: Tue Jan 21, 2014 2:43 pm    Post subject: Reply with quote

Mr. Motorhead wrote:
Are those the ones AA performance were working on or are they raw rods that are finished elsewhere?


Yes they are being made by AA
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PostPosted: Tue Jan 21, 2014 3:30 pm    Post subject: Reply with quote

I want, must have. Happy to test for ya Very Happy
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PostPosted: Tue Jan 21, 2014 3:31 pm    Post subject: Reply with quote

so when will they be able to be purchased?
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splitpile
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PostPosted: Fri Jan 31, 2014 12:10 pm    Post subject: Reply with quote

They're here

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PostPosted: Fri Jan 31, 2014 12:52 pm    Post subject: Reply with quote

splitpile wrote:
They're here

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I have not gotten mine yet, should be a couple days. I ordered up a set for the 20mm pin. I have a build in the works right now using a WW grind cam and ceramic coated dome tops. Not having the rods as yet, I was told they weigh a bit more than a stock rod. Do you have a weight in grams?
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36 horsepower parts for sale at http://www.aircooledresearch.com/
Or the new site at http://www.bugparts.com
Check out the Bonneville project:
http://aircooledresearch.com/docs/thebonnevilleproject.html#

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splitpile
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PostPosted: Fri Jan 31, 2014 1:35 pm    Post subject: Reply with quote

Mr. Motorhead wrote:
splitpile wrote:
They're here

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I have not gotten mine yet, should be a couple days. I ordered up a set for the 20mm pin. I have a build in the works right now using a WW grind cam and ceramic coated dome tops. Not having the rods as yet, I was told they weigh a bit more than a stock rod. Do you have a weight in grams?


495 with out bolts 545 with ARP bolts
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PostPosted: Fri Jan 31, 2014 2:01 pm    Post subject: Reply with quote

Can you comment what you do to QA these rods?

While they look much stronger than stock, I've always been wary of products make in China.

Cheers,

Paul
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PostPosted: Fri Jan 31, 2014 2:40 pm    Post subject: Reply with quote

gimmesomeshelter wrote:
Can you comment what you do to QA these rods?

While they look much stronger than stock, I've always been wary of products make in China.

Cheers,

Paul

Almost every rod you buy tday is made in china, scat, cb, bugpack etc besides the high dollar ones which are still made in the us, but a lot of the high dollar blanks are made in china then machined here. These rods have been checked on a rod machine for bore and a rod checker for length and twist
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PostPosted: Fri Jan 31, 2014 3:49 pm    Post subject: Reply with quote

splitpile wrote:

495 with out bolts 545 with ARP bolts


So about 100 grams more depending on the stock rod measured. This rod all in itself is such over kill, let alone adding ARP bolts too.

gimmesomeshelter wrote:
Can you comment what you do to QA these rods?

While they look much stronger than stock, I've always been wary of products make in China.

Cheers,

Paul


These would be a finished piece ready to install. I've used many other AA rods with no issues, I would expect these to be the same quality. I was surprised AA made a short run, most companies don't. It's been a very long time since any after market rods have been available for a 36hp.
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36 horsepower parts for sale at http://www.aircooledresearch.com/
Or the new site at http://www.bugparts.com
Check out the Bonneville project:
http://aircooledresearch.com/docs/thebonnevilleproject.html#

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PostPosted: Fri Jan 31, 2014 4:25 pm    Post subject: Reply with quote

We hung "H" beams in Todd's big 36er 2 years ago. 'bout time you guys caught up Twisted Evil Wink

brad
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PostPosted: Fri Jan 31, 2014 5:26 pm    Post subject: Reply with quote

stock 36 hp rod 427 grams hp 36

My first bonneville WW Okrassa has stock 36 hp rods, shot peened with ARP bolts, made 67 hp

AA H beam 36hp rod 545 grams with bolts (going in a turbo engine) shooting for 150hp

Porsche rods (as in my IDA 36hp) 499 grams 124 hp

H beam chevy rods (as in my supercharged 36 hp) 586 grams hoping for 100+hp if I can get the boost

I just don't want to break a rod, better safe then sorry, even though I sacrafice hp for strength and cranks I use aren't cheap

I don't think Tom Bruch has ever broken a stock rod, I'll have to ask him or matbe he'll pipe in here.
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PostPosted: Sat Feb 01, 2014 12:04 pm    Post subject: Reply with quote

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Never had a broken one, but they do bend. This rod came out of a 25hp to boot. I think the engine was a 46' or 47'. This rod BTW weighs in at 391 grams. I'm not saying a heavier rod is a bad thing, just that it's a lot more beef than a stock rod. Kind of like putting an Olympic weight lifter in a ballet because you're afraid the regular guy might drop the ballerina. The H beam rod will eliminate some minor problems with piston choice. You could use a 36hp journal stock/stroker crank and choose the pin size (20mm or 22mm) on the rod depending on the piston set used. The more off the shelf type of parts there are will make it easier to build a larger than stock 36hp that will run reliably.
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36 horsepower parts for sale at http://www.aircooledresearch.com/
Or the new site at http://www.bugparts.com
Check out the Bonneville project:
http://aircooledresearch.com/docs/thebonnevilleproject.html#

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PostPosted: Sun Feb 02, 2014 9:54 am    Post subject: Reply with quote

What is going to be the price on these? I am interested in getting a set.
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PostPosted: Tue Feb 04, 2014 9:33 am    Post subject: Reply with quote

you would be surprized how easy how eazy it is to bend/twist a rod. our sunnen rod recon station has a bar(for bending twisting)jigs for checking & aliging them on both plains (twist&bend or tilt,no you dont fix a dead rod with a kink in it,but oh so many rods have a twist to them or off angle/bend/tilt) the first one I did was for a 340/360 mopar and it twisted back oh so easy I thought something was rong(no press just by hand) I then got an old dead junk rod and gave it a try. same thing, these things twist easely.and straighten back easy but need to be done the right way so both twist&tilt is accounted for so the piston dosent cock or go wonkey throught its travel in the stroke as the rod angle changes.
on some rods there is a big bevel where the cap meets the rod,some race engine builders will weld(tig) this up&rework the rods( in the days befor the cheep rods cameabout,I dont know if it's still done much, the big block chevy dimple rod with the 7/16"rod bolt had the bigest bevell some almost .100" wide. china rods are so cheep it isant worth reworking oe rods these days.....except for engines that dont have the china stuff out....yet
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Mr. Motorhead
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PostPosted: Tue Feb 04, 2014 11:18 am    Post subject: Reply with quote

my59vw wrote:
What is going to be the price on these? I am interested in getting a set.


AA currently has them listed on their site for $299 with the 200k bolts with the ARP 2000 bolts costing another $36.
http://aapistons.com/shop/connecting-rods/4340-5-1-chromoly-h-beam-rods-vw-type-36-hp.html

I did the setup on the rods yesterday for the engine I'm building and everything went together very nice. All the rods were dead on weight wise and the pins slipped in for a very nice fit.
Image may have been reduced in size. Click image to view fullscreen.


I was just going to use fresh stock rods for this build as it is more to see how well ceramic coating works/doesn't work on the piston tops and chambers, but the H beams came available just as I was getting ready for the bottom end assembly. Here's a comparison between stock and the H beams:

Image may have been reduced in size. Click image to view fullscreen.


I hope to be running it by the months end in my Bonneville car.

Image may have been reduced in size. Click image to view fullscreen.

_________________
30 years experience in the sales of new and used auto parts!
36 horsepower parts for sale at http://www.aircooledresearch.com/
Or the new site at http://www.bugparts.com
Check out the Bonneville project:
http://aircooledresearch.com/docs/thebonnevilleproject.html#

"All limitations are self imposed."
Some Chinese guy
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splitpile
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PostPosted: Tue Feb 04, 2014 11:47 am    Post subject: Reply with quote

Mr. Motorhead wrote:
my59vw wrote:
What is going to be the price on these? I am interested in getting a set.


AA currently has them listed on their site for $299 with the 200k bolts with the ARP 2000 bolts costing another $36.
http://aapistons.com/shop/connecting-rods/4340-5-1-chromoly-h-beam-rods-vw-type-36-hp.html

I did the setup on the rods yesterday for the engine I'm building and everything went together very nice. All the rods were dead on weight wise and the pins slipped in for a very nice fit.
Image may have been reduced in size. Click image to view fullscreen.


I was just going to use fresh stock rods for this build as it is more to see how well ceramic coating works/doesn't work on the piston tops and chambers, but the H beams came available just as I was getting ready for the bottom end assembly. Here's a comparison between stock and the H beams:

Image may have been reduced in size. Click image to view fullscreen.


I hope to be running it by the months end in my Bonneville car.

Image may have been reduced in size. Click image to view fullscreen.

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PostPosted: Tue Feb 04, 2014 11:50 am    Post subject: Reply with quote

Hi, can these be adapted to a 40hp motor?
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PostPosted: Tue Feb 04, 2014 12:24 pm    Post subject: Reply with quote

toiga wrote:
Hi, can these be adapted to a 40hp motor?


I'm sure you could if you cut your rod journals down to the size of a 36hp.......that would be kind of a step backwards going smaller from the 40hp rod journal though.
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30 years experience in the sales of new and used auto parts!
36 horsepower parts for sale at http://www.aircooledresearch.com/
Or the new site at http://www.bugparts.com
Check out the Bonneville project:
http://aircooledresearch.com/docs/thebonnevilleproject.html#

"All limitations are self imposed."
Some Chinese guy
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