what is a mini starter
MSEE
Joined: Apr 2004
Posts: 10,386
Likes: 35
From: Austin, TX
A mini-starter (PMGR) typically users a planetary gear set to deliver higher torque to the drive gear. They are typically smaller and weigh less. It does the same job as a conventional positive-engagement style starter, just more efficiently.
PMGR starters have the solenoid mounted on the starter itself, but when retrofitting a PMGR starter to these era trucks, the fender-mount solenoid is still required; this time it acts as a relay to the PMGR starter solenoid coil (a relay to engage another relay).
Here's a decent writeup: High Torque Mini Starter Installation. PMGR Starter. - FordMuscle
PMGR starters have the solenoid mounted on the starter itself, but when retrofitting a PMGR starter to these era trucks, the fender-mount solenoid is still required; this time it acts as a relay to the PMGR starter solenoid coil (a relay to engage another relay).
Here's a decent writeup: High Torque Mini Starter Installation. PMGR Starter. - FordMuscle
Fleet Owner
Joined: Dec 2009
Posts: 20,678
Likes: 82
From: NorCal
A mini-starter is an engine starter of reduced size compared to OEM. Some guys get'em for header or chassis clearance.
Starters operate by a solenoid engaging a bendix drive (like a corkscrew) with a gear at its end and projects from resting position during "start". The starter gear engages the flywheel (manual trans) or ring gear (welded to the flexplate which in turn is bolted to the torque converter) to rotate the engine components (crank, rods, pistons) with sufficient velocity to initiate ignition.
When you release the key from the "start" position, the lil gear retracts back into the starter body. ..... and that explains why a starter will grind when it is initiated with the engine already running.
Dig?
Starters operate by a solenoid engaging a bendix drive (like a corkscrew) with a gear at its end and projects from resting position during "start". The starter gear engages the flywheel (manual trans) or ring gear (welded to the flexplate which in turn is bolted to the torque converter) to rotate the engine components (crank, rods, pistons) with sufficient velocity to initiate ignition.
When you release the key from the "start" position, the lil gear retracts back into the starter body. ..... and that explains why a starter will grind when it is initiated with the engine already running.
Dig?
Super Moderator
Joined: Apr 2004
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Real short answer--unless you need a compact, high performance starter for a high performance, high compression engine, just stick with a quality rebuild.
http://www.jegs.com/p/JEGS/JEGS-Mini...51068/10002/-1
http://www.jegs.com/p/JEGS/JEGS-Mini...51068/10002/-1
MSEE
Joined: Apr 2004
Posts: 10,386
Likes: 35
From: Austin, TX
Less size.
Less weight.
More power.
More money.
Takes some work to wire up.
Does that work?
I run a mini-starter, ONLY because I needed it to clear my headers. Unless you have some specific need for it (some of which are mentioned in the above post), I don't think it's worth spending money on.
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Junior User
Joined: Dec 2011
Posts: 94
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From: Powell Wyoming
thanks that makes alot more sense...and since you know what your talking about (HIO silver) and use small words for simple folks like me...any idea how to do fiberglass stuff i want to make a fiberglass cluter gauge to put my tach and stuff on and maybe a new box for my subs.
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Fleet Owner
Joined: Dec 2009
Posts: 20,678
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From: NorCal
thanks that makes alot more sense...and since you know what your talking about (HIO silver) and use small words for simple folks like me...any idea how to do fiberglass stuff i want to make a fiberglass cluter gauge to put my tach and stuff on and maybe a new box for my subs.
Better yet, read through the following DIY threads:
DIY: custom fiberglass subwoofer enclosure guide - RX8Club.com
DIY: Fiberglass Speaker Enclosures - RX8Club.com
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