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Author Topic:   Who builds their own?
spray004
Dirt Full Roller

Total posts: 29
posted May 24, 2005 06:00 AM  
Taking a little poll. How many of you assemble your own engines? How many of you get just a short block from your machinist and assemble the rest? How many of you buy complete engines from an engine builder?

NJantz
Dirt Forum Champ
Total posts: 755
posted May 24, 2005 06:02 AM  
Most of the time we get a short block from our machinist and assemble the rest ourselves.

TEAMPCR
Dirt Freak

Total posts: 238
posted May 24, 2005 06:17 AM  
I've always built my own. Have the machine work done and bring home a bare block. I'm poor.

A&M Motorsports
Dirt Maniac

Total posts: 117
posted May 24, 2005 06:43 AM  
I have mine mocked up at the machine shop. All that's left for me to do is file fit the rings and assemble. The trick to this is have a machinist that you trust. JMO, the old timer machinist do very good work and take pride in what they do.

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Artie Perilloux
A & M Motorsports

wfoondirt
Dirt Forum Champ
Total posts: 505
posted May 24, 2005 07:27 AM  
I do about half and half. I used to assemble all my own motors but once we started making serious hp I started having my the shortblocks assembled and I do the rest. I still assemble our spare motors just because I like to do it and it gives me something to do with my occasional spare time.

leapinlizard
Dirt Freak

Total posts: 402
posted May 24, 2005 07:47 AM  
I've always built my own. My first was in my bedroom at the age of 15. Mom hated it.

Xtreme12x
Dirt Forum Champ
Total posts: 874
posted May 24, 2005 09:04 AM  
I just started doing the whole shootin match. Previously, I bought the shortblock, and then did the rest. This last motor I did, I saved around $1200 over what it would have cost to have done at JR's. As long as your real picky about what you do, watch your clearances and be VERY VERY clean, you'll have no problems getting them to last.

marshalr
Dirt Maniac

Total posts: 148
posted May 24, 2005 10:18 AM  
I build my own, Of course machine work is done professionally.
I worked for a late model team in the 80s, i helped assemble engines , kept my eyes open and asked lots of questions. I was taught by one of the best, Griff Griffin.
Now i use what i learned, a chevy engine manual and Smokey Yunick's POWER SECRETS.

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Some People Race For A Living; I Live To Race

sideways
Dirt Forum Champ
Total posts: 715
posted May 24, 2005 10:35 AM  
I build my own.Machine work done else where.

Xtreme12x
Dirt Forum Champ
Total posts: 874
posted May 24, 2005 11:03 AM  
A good machinist is a MUST for us who build our own. Once you get a good working relationship with a machinist that you can trust, you shouldn't have any problems.
My machinist makes it a regular check when I am freshening an engine to check the crank and rods for roundness when I take everything in to be cleaned. Preparation is key to getting everything right. And if in doubt, there is always the dirt forum

stockcar5
Dirt Forum Champ
Total posts: 578
posted May 24, 2005 11:10 AM  
i pick out all the parts and build it myself. just have my machinist do the block work and balance the rotating assembly.

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www.geocities.com/dirtstockcar5

spray004
Dirt Full Roller

Total posts: 29
posted May 24, 2005 11:13 AM  
Seems like the majority of people build their own.

STREET16
Dirt Maniac

Total posts: 158
posted May 24, 2005 11:29 AM  
I build my own and a few for some other drivers.

dluna
Dirt Freak

Total posts: 334
posted May 24, 2005 11:38 AM  
When my Dad drove, we had a friend of ours build high HP, low budget motors. Sometimes they would last a few races, sometimes they would blow in hot laps...ticking time bombs! Now that I've taken over, I want one less thing to worry about, so I had a complete engine done last year by a trusted engine builder. He freshened it over the winter. I think I can learn and understand how to setup a Modified quicker than learning how to build an upper 5's to mid 600 hp engine that will last...so, once I have setup mastered, (well, know it pretty dang good) then I'll work on learning how to build my own. It can get pretty expensive this way, but I can get some seat time with a reliable motor in the car.

leapinlizard
Dirt Freak

Total posts: 402
posted May 24, 2005 01:29 PM  
Someone once said.

"horsepower is cheap, reliability is not"

juni
Dirt Maniac

Total posts: 184
posted May 24, 2005 03:06 PM  
Build my own to me thats part of the fun .

spray004
Dirt Full Roller

Total posts: 29
posted May 24, 2005 03:53 PM  
Well I'm sure everyone in here has a full time job, so whats the average amount of time it takes you to assemble an engine after you get it back from the machine shop?

marshalr
Dirt Maniac

Total posts: 148
posted May 24, 2005 03:58 PM  
I usually plan on 60 man hours. That can be 10 - 14 days with my TWO jobs.

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Some People Race For A Living; I Live To Race

Racer111
Dirt Freak

Total posts: 259
posted May 24, 2005 05:54 PM  
Buy,Dyno,Pickup.Engines cost to much for me to be messing with.

ryan
Dirt Forum Champ
Total posts: 776
posted May 24, 2005 06:10 PM  
quote:
Originally posted by stockcar5:
i pick out all the parts and build it myself. just have my machinist do the block work and balance the rotating assembly.



Same here

ARR
Dirt Full Roller

Total posts: 68
posted May 24, 2005 07:47 PM  
I have the machine shop do all the prep work and I asseble the bottom end at home in the basement during the winter.

Xtreme12x
Dirt Forum Champ
Total posts: 874
posted May 24, 2005 08:07 PM  
If I have the machine work done on a Monday, I can normally have the bottom end with camshaft in there buttoned up, just waiting on the heads in maybe 2 days. A good 4 days top to bottom... Sometimes it is faster. I can re-ring and bearing an engine the day I get it back from getting cleaned.

Pickel
Dirt Forum Champ
Total posts: 784
posted May 24, 2005 08:46 PM  
allways had ours built, same motor for 5 seasons, just allways got refreshed.. guys used to complain that they couldnt compete with our "money" but i guarantee that they had tons more money in their 4 or 5 motors a year because they were trying to save some cash.

4jw
Dirt Roller

Total posts: 10
posted May 24, 2005 11:59 PM  
quote:
Originally posted by thebomb:
allways had ours built, same motor for 5 seasons, just allways got refreshed.. guys used to complain that they couldnt compete with our "money" but i guarantee that they had tons more money in their 4 or 5 motors a year because they were trying to save some cash.

When you say "refreshed", what exactly are you having done? I have seen many other people say they "refresh" their motor in the winter. Just don't know what they are refreshing. Can someone please help me out here. Thanks

[This message has been edited by 4jw (edited May 25, 2005).]

dluna
Dirt Freak

Total posts: 334
posted May 25, 2005 08:00 AM  
When I took mine in over the winter to be freshened, they did the following:

Clean and Inspect block (look for cracks, cylinder wall wear, etc)
Clean and Inspect heads (look over the seats, etc.)
Hone Block
Polish Crank
Replace cam bearings
Replace rings
Replace bearings
Replace timing chain

Raz_900
Dirt Forum Champ
Total posts: 635
posted May 25, 2005 09:21 PM  
I do everything myself. Except balancing and crank grinding.

A friend has a nearly complete shop and we work out the pricing. (hasn't hooked up his crank grinder yet and still looking for a balancer he can afford). Basically, everything I do is free and what he does I pay for or work out in trade. Typically, he does the head work and I do the short block stuff.

After the machine works taken care of, I select what pieces parts to use and assmeble it at home. I have most all the special tools needed for assembly. Having 3 years experience in a machine shop myself helps out a bunch. Parts selection is alot of reading and using past experiences to get the best combo. Sometimes it works, sometimes it's a little off.


jay116
Dirt Freak

Total posts: 428
posted May 26, 2005 05:06 AM  
I agree actually...EXCEPT, it would have to leave the garage for me to have the engine builder put the rings and bearings in. I just don't trust myself with that stuff yet.

zeroracing
Dirt Forum Champ
Total posts: 1876
posted May 26, 2005 01:47 PM  
Depends on what needs to be done, most the time i do almost everything myself. I like to have the heads done by a local machine shop, and block and stuff, but final assembly i put it together, just keep it super clean, and take my time.

USAFsince99
Dirt Newbie

Total posts: 4
posted May 30, 2005 12:30 AM  
Always built my own from bare block- friend down the street has a machine shop behind his house and does the machine work as my sponsor.

Xtreme12x
Dirt Forum Champ
Total posts: 874
posted May 31, 2005 10:36 AM  
One thing I suggest is to ALWAYS have your Block, Rods/Pistons, Crank cleaned when freshing an engine. The 100 Dollars you spend having everything cleaned is well worth it.

goinrcn44h
Dirt Freak

Total posts: 205
posted May 31, 2005 04:35 PM  
for 2004 I did the main bearings and a standard pull apart and then fully re-assembled myself. It lived 17 shows and broke the main caps 2 nights from the end. over this winter I did a new 3.562 crank, oliver rods and wiseco pistons , had it all balanced, and after clearancing... !! also had billet caps line bored/honed, etc... new rod and main bearings and assembled 100% myself. best engine I've ever had so far. tons of torque and not having to rev it to death. Can turn a mellow 7800-8000 and I havent even had to adjust valves to speak of after 3 nights. I check them of course, but they aint moved at all. nothin in the oil to speak of, so maybe this one will run all year w/out issues. every year I learn more and get a better idea of whats more important. I hated relying on others to assemble my stuff. so I figured best way to learn is to just do it and ask questions if I noticed anything odd. get good reading material and take your time. buy the proper tools and don't rush is my best advice.
44H

andykmod
Dirt Freak

Total posts: 351
posted June 23, 2005 08:36 PM  
I build my engines myself also. I do everything except machine work and balancing. I dyno them at the track. LOL

J3
Dirt Maniac

Total posts: 188
posted June 26, 2005 12:56 PM  
quote:
Originally posted by andykmod:
I build my engines myself also. I do everything except machine work and balancing. I dyno them at the track. LOL


Me and my dad also do all of our motor work as well. Well everything except the machine work. We have the same kind of dyno that you use.

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