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Jagtec1 · 03-02-2005, 03:48 PM

<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by GTO71:
No man, They are custom made pistons, I gave the piston manufactor the spec of my rod lenght, deck height, cc of chamber and head gasket thickness and got a piston designed to get a 9.5 to 1 ratio. Jeez I put pics up for peolpe to enjoy and get my head bit off. I got too much time invested and money not to waste by goofing up on a compression issue!!!!! </div></BLOCKQUOTE>

Dude, relax! Nobody's biting any heads off. I was curious as to how you arrived at those numbers! I asked a few questions...SFW. You posted your combo, and some pics, and you don't want to answer any questions about it??! I still am not sure how you are getting the numbers you are claiming. But, I guess either it's "Top Secret", or you're not really sure. Either way...I'd be interested in your time slips. If you don't want to share your info, then why post the combo and pics in the first place? What did they do to your custom pistons that will allow you to achieve 9.5:1 CR in a .060 over 400 with 102cc chambers...if they are not domed?? Seriously, I'm curious! I agree that you'll need a bit more compression based on MY calculations to pull off some serious time slips with that 400. Good luck with it! (Not being sarcastic)

GTO71 · 03-02-2005, 08:45 AM

No man, They are custom made pistons, I gave the piston manufactor the spec of my rod lenght, deck height, cc of chamber and head gasket thickness and got a piston designed to get a 9.5 to 1 ratio. Jeez I put pics up for peolpe to enjoy and get my head bit off. I got too much time invested and money not to waste by goofing up on a compression issue!!!!!

GTO71 · 02-10-2005, 04:22 PM

Enlarging the wristpen end to install a bushing for to make the robs free floating. Yes I know you can buy them this way. OH SH#T No one will miss that extra ten thousands!!!!!

GTO71 · 03-17-2005, 03:58 PM

1.60 Comp roller rockers

GTO71 · 03-03-2005, 08:26 PM

Finally got the heads on now

GTO71 · 03-17-2005, 04:03 PM

Intake manifold ported to heads & gasket

GTO71 · 04-03-2005, 01:32 PM

Gettin the old goat ready to drop it in.

GTO71 · 03-26-2005, 09:22 AM

It done I am going to bolt it in next week.

GTO71 · 02-10-2005, 04:29 PM

Thw Comp XR-288-10 cam is now in the block, I spent some time on removing the flashings on the outside of the lifterbores and "smothing" out the lifter gallery area for better oil return.

Jagtec1 · 02-26-2005, 12:31 PM

I'm building a "400" also!

Says so right on the block!

GTO71 · 04-03-2005, 01:41 PM

Manifolds and pulleys are goin on.

loren · 03-01-2005, 07:50 PM

nice

GTO71 · 02-24-2005, 01:38 PM

THe slugs .005 in the hole, custom made JE Pistons 0.60 over.

GTO71 · 04-04-2005, 06:35 AM

A guy gave that to me a few years ago, I think it is off a 70 GTO.

GTO71 · 02-25-2005, 11:44 PM

Not missing anything, but you can't assume that I would give away me whole combo's specs!!!

GTO71 · 04-03-2005, 01:36 PM

Lerry: The Body Ventura.. · 03-02-2005, 09:08 AM

Time slips won't be talking that loud with that c.r. Unless with some kind of boost.

67vertBird · 02-24-2005, 09:59 PM

Looks nice, what kind of compression will that setup get you? I am just a week or 2 behind you on a 400 build.

Flamin65 · 03-17-2005, 05:48 PM

Ok Mike you're killing me when do I get to hear this thing run??? Give me a call when you are about to get it running and I'll try to stop by so I can see all your stuff. Any pictures of the car??

Greg

GTO71 · 03-17-2005, 04:12 PM

More to come soon

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