Heavier Flywheel possibility? - Pirate4x4.Com : 4x4 and Off-Road Forum
 
Pirate4x4.Com : 4x4 and Off-Road Forum  

Go Back   Pirate4x4.Com : 4x4 and Off-Road Forum > Brand Specific Tech > Toyota - Land Cruiser
Notices

Reply
 
Share Thread Tools Display Modes
Old 03-13-2002, 11:59 AM   #1 (permalink)
Registered User
 
Join Date: Jun 2000
Member # 1176
Location: Utah
Posts: 1,558
Heavier Flywheel possibility?

I posted this question over on the general 4x4 forum and it kinda took off into a "Ford" direction. I thought I'd try again here. The subject was briefly hit on the LCML.

I am want to gain some more low end torque or lugging ability on my Chevy SB 305 and was curious to know if I could use a heavier flywheel. Anybody ever gone to a heavier unit? I am running the sbc in a fj40.
I know the Toyota f, 2F engines have a monster sized flyweel on them to help produce that low end torque. Toyota must know something. Do different Chevy truck applications have heavier flywheels than cars? Can I heavier flywheel ? My engine came out of a early 80s Chevy car. What would the pros and Cons be? Any suggestions appreciated.

bennett
Berg is offline   Reply With Quote
Old 03-13-2002, 12:58 PM   #2 (permalink)
Registered User
 
GloNDark's Avatar
 
Join Date: Dec 2000
Member # 2482
Location: Gardnerville NV
Posts: 5,405
The flywheel on my F motor weighs a lot more than a stock chevy one. Although I am not sure of just how much heavier.

Pros: More low end torque, less stalling (Due to more weight spinning down there, making it less likely to stop spining)

Cons: Slower reving, more wear on start (Or so I am told)
__________________
GET IT Dave!!

save me a spot bro......i'll miss you...
GloNDark is offline   Reply With Quote
Sponsored Links
Old 03-13-2002, 01:17 PM   #3 (permalink)
Registered User
 
Join Date: Jun 2000
Member # 1159
Location: Olympia, WA
Posts: 888
I also have a 305 (darn thing won't quit) I use the 168 tooth flywheel which is larger and heavier than the 153 tooth flywheel.
It will help a LITTLE to keep your engine from stalling. I also use a 12 inch clutch (from trucks) as compared to the 10.5 inch clutch that most cars have.

I had to buy a different starter when I swapped flywheels...this turned out good cause it cost less and worked better
Tankota is offline   Reply With Quote
Old 03-13-2002, 02:12 PM   #4 (permalink)
Registered User
 
Join Date: Jul 2000
Member # 1320
Location: Saratoga Slums, CA
Posts: 339
The heavy flywheel is one of the main reasons I like the 2F on the trail! There's been plenty of times when I've reached for the ignition switch thinking I've stalled the motor when ...chug, chug, chug; it kicks back to life again.

Here's a link to a guy who made his own inertia ring:
http://home.off-road.com/~ne4wi/docs/tech_inertia.html
__________________
PMC
TLCA #4695
'75 FJ40
'97 FZJ80
Jack's Dad.
Shipwreck is offline   Reply With Quote
Reply





Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On



All times are GMT -7. The time now is 04:23 AM.


Powered by vBulletin® Version 3.8.6
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Search Engine Optimization by vBSEO 3.6.0 ©2011, Crawlability, Inc.