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Knott


knotts10.jpg

27 files, last one added on Sep 11, 2003

Barry Mattingly


ffr2.jpg

238 files, last one added on Sep 11, 2003

 

2 albums on 1 page(s)

Last additions - Barry Mattingly's Gallery
ffr2.jpg
October 2003 "Kit Car Builder" photo shoot. Picture by Steve Temple.728 viewsOctober 2003 "Kit Car Builder" photo shoot. Picture by Steve Temple. Sep 11, 2003
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October "Kit Car Builder" photo shoot. Picture by Steve Temple.315 viewsOctober "Kit Car Builder" photo shoot. Picture by Steve Temple. Sep 11, 2003
dyno chart 3.jpg
Dyno sheet, 3/21/03404 viewsSo, here is the final HP tally. See attached dyno sheets. Per Dave at JBA:

"Max RWHP: 412 at 5300 RPM - calculated at flywheel 518 HP
Max RWTQ: 444 at XX00RPM - calculated at flywheel (TBD)
Timing - unknown

Notes:
Dyno run stopped at peak HP (5300 RPM/101 MPH); car bounces too much
Good power - what kind of cam? good choice
Slightly retard timing and richen fuel mixture at max load per request"

It runs much better, and cleaner. Spins 'em up in 3rd gear very easy now - have to be very careful when romping on the gas above 3K RPM! The idle seems too low - about 600 RPM - but they say I should leave it there. I am pretty happy with it (even if I am a little short of my 550 HP target). I can always install a 12 lb. blower pulley later!
Sep 11, 2003
dyno chart 2.jpg
Dyno sheet, 5/21/03278 viewsSo, here is the final HP tally. See attached dyno sheets. Per Dave at JBA:

"Max RWHP: 412 at 5300 RPM - calculated at flywheel 518 HP
Max RWTQ: 444 at XX00RPM - calculated at flywheel (TBD)
Timing - unknown

Notes:
Dyno run stopped at peak HP (5300 RPM/101 MPH); car bounces too much
Good power - what kind of cam? good choice
Slightly retard timing and richen fuel mixture at max load per request"

It runs much better, and cleaner. Spins 'em up in 3rd gear very easy now - have to be very careful when romping on the gas above 3K RPM! The idle seems too low - about 600 RPM - but they say I should leave it there. I am pretty happy with it (even if I am a little short of my 550 HP target). I can always install a 12 lb. blower pulley later!
Sep 11, 2003
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Me and Dad, at Knott's, 4/12/03209 viewsSep 11, 2003
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My parents at Knott's, 4/12/03178 viewsSep 11, 2003
knotts8.jpg
On the way to Knott's, 4/12/03164 viewsOn the way to Knott's, 4/12/03Sep 11, 2003
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On the way to Knott's, 4/12/03189 viewsOn the way to Knott's, 4/12/03Sep 11, 2003

Random files - Barry Mattingly's Gallery
throttle body and egr delete_1863.jpg
Throttle body and EGR delete129 viewsUsing Accufab EGR spacer/throttle cable bracket mount.
rear body on.jpg
rear body on, no trim159 viewsrear body on, no trim
engine on stand.jpg
My Levy Racing 306 EFI going on the stand155 viewsMy Levy Racing 306 EFI, ready to mount on the stand
pedal mod 2.jpg
Brake pedal mods179 viewsBrake pedal has been shortened 1" and had "dogleg" modification per NorCal Cobras web site. I cut off the normal MC pushrod "tang" and ground it flat, then drilled a hole for the new MC/heim joint to bolt through (done after this pic was taken).

Note the bevel ground into the edges to be welded, to provide better weld penetration. Both halves are clamped to a flat steel plate prior to welding.
start button.jpg
Honda starter button161 viewsHonda starter button
sub strap mount.jpg
Sub strap mount140 viewsWelded-in submarine strap mount, made from 2" wide 3/16" mild steel stock.
main engine ground stud.jpg
Main engine grounding stud153 viewsThis is a 3/4" long 3/8" coarse thread bolt welded to the upper left corner of the trans tunnel (Mk II frame). I can access this by pulling the top cover off the tranny tunnel (I made mine removable). The ground strap goes to the left side head; then another strap runs over to the right side head (it's important to ground both sides when using AL heads).
my levy engine.jpg
My Levy Racing 306 EFI171 viewsJust as it looked at Levy Racing.