Saturday Fun
Thread Starter
Le Mans Master
Joined: Feb 2005
Posts: 6,481
Likes: 566
From: Clearwater Florida
Saturday Fun
..... Had some family matters in Ohio that required my participation ... but I'm back to working on the vette ... engine and trans are back in their saddles ... got the rev kit installed along with the rest of the valvetrain ... hoping to make it smoke later today .....
Melting Slicks
Joined: Apr 2007
Posts: 2,616
Likes: 111
Pro
Joined: May 2008
Posts: 670
Likes: 55
Melting Slicks
Joined: Apr 2007
Posts: 2,616
Likes: 111
It's the AFR hydra rev kit, pretty sweet.
http://www.airflowresearch.com/index.php?cPath=75
http://www.airflowresearch.com/index.php?cPath=75
Learn something new every day......especially here!
Thread Starter
Le Mans Master
Joined: Feb 2005
Posts: 6,481
Likes: 566
From: Clearwater Florida
It's the AFR hydra rev kit, pretty sweet.
http://www.airflowresearch.com/index.php?cPath=75
http://www.airflowresearch.com/index.php?cPath=75
................
Thread Starter
Le Mans Master
Joined: Feb 2005
Posts: 6,481
Likes: 566
From: Clearwater Florida
Sunday ... more fun
..... Getting closer ... thought I'd have it running by now ... BUT , I've got a few more hours of work to do .........
Last edited by C409; Feb 20, 2017 at 07:46 AM.
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Thread Starter
Le Mans Master
Joined: Feb 2005
Posts: 6,481
Likes: 566
From: Clearwater Florida
... The head bolts are Fel Pro , OEM style , with ARP washers under them ... I used ARP bolts on the previous 400 with Cometic .030" MLS gaskets and wound up with cracks between the upper steam holes and the head bolt holes ... I decided to try "softer" grade 8 bolts and composite Fel Pro 1014 Permatorque head gaskets on this build in order to avoid ruining this block ... my thought process was to use bolts with increased elasticity and return to the much less expensive and far more forgiving composite head gaskets that had served me very well in the past ........... Good eye for detail BTW .....
Thread Starter
Le Mans Master
Joined: Feb 2005
Posts: 6,481
Likes: 566
From: Clearwater Florida
..... Not Yet ... this is an ongoing experiment that has just evolved to the rev kit phase ... I'm using light , small diameter valve springs that have been setup to stay within the pressure recommendations for a cast iron core camshaft ... no crazy spring pressures or rpm's ... my previous engine had a stock bottom end and I didn't want to find its true limit so I kept it under 7 grand ... once I work out the bugs on this edition I hope to get it on a chassis dynomomerator and see whats what ... this combo should produce power to 6500 at least ......
Safety Car
Joined: Nov 2009
Posts: 3,973
Likes: 341
From: Adelaide South Australia
..... Not Yet ... this is an ongoing experiment that has just evolved to the rev kit phase ... I'm using light , small diameter valve springs that have been setup to stay within the pressure recommendations for a cast iron core camshaft ... no crazy spring pressures or rpm's ... my previous engine had a stock bottom end and I didn't want to find its true limit so I kept it under 7 grand ... once I work out the bugs on this edition I hope to get it on a chassis dynomomerator and see whats what ... this combo should produce power to 6500 at least ......
Now that intake has me intrigued, is that a tpi plenum attached to a single plane intake ? what manifold is that ?
Thread Starter
Le Mans Master
Joined: Feb 2005
Posts: 6,481
Likes: 566
From: Clearwater Florida
... The base manifold is an Accel Pro-Ram , very similar to Edelbrock's Victor Jr but with a lower thermostat housing mounting pad ... gives more room for the throttle body and IAC ... welded a billet carb spacer to the bottom of a TPI plenum and welded the runner ports closed ... fits under the stock hood ... and all the factory brackets , hoses , and sensors can still be used in their stock locations ... seriously cuts down on the fabrication end .........
Safety Car
Joined: Nov 2009
Posts: 3,973
Likes: 341
From: Adelaide South Australia
... The base manifold is an Accel Pro-Ram , very similar to Edelbrock's Victor Jr but with a lower thermostat housing mounting pad ... gives more room for the throttle body and IAC ... welded a billet carb spacer to the bottom of a TPI plenum and welded the runner ports closed ... fits under the stock hood ... and all the factory brackets , hoses , and sensors can still be used in their stock locations ... seriously cuts down on the fabrication end .........
I had a look at summit, the Edelbrock E manifold is cheaper than the Accel, but the Accel seems to have fitting threads already in,
do you run the fuel pressure reg on the back ?
Thread Starter
Le Mans Master
Joined: Feb 2005
Posts: 6,481
Likes: 566
From: Clearwater Florida
Safety Car
Joined: Nov 2009
Posts: 3,973
Likes: 341
From: Adelaide South Australia
[QUOTE=C409;1584069414]..... The Edelbrock won't work with the OEM style throttle body without significant mods to the thermostat housing manifold ... its just too high ........ I use an Aeromotive remote FPR ... mounts to the top of the water pump ......... I did use a modified Edelbrock Torker II to see if it would bring back some low-end power ... it didn't change much ET or 60' wise ......../QUOTE]
that was my next question, does the single rail kill the low end torque ?
that was my next question, does the single rail kill the low end torque ?
Thread Starter
Le Mans Master
Joined: Feb 2005
Posts: 6,481
Likes: 566
From: Clearwater Florida
[QUOTE=blackozvet;1584077729]
... Oh definitely ... but it picks up large power in the upper RPM ranges , enough to offset the bottom end losses ... a high stall converter and numerically high rear axle ratios help to get things moving off the line ... this new setup of mine includes a Yank 4000 rpm stall and 3.91 gears ... when I switched from the FIRST intake to the Accel single plane , I lost a tenth off the 60 foot times but gained three tenths in 1/8th mile ET ... that was with a 2800 Vigilante and 3.45's ........
..... The Edelbrock won't work with the OEM style throttle body without significant mods to the thermostat housing manifold ... its just too high ........ I use an Aeromotive remote FPR ... mounts to the top of the water pump ......... I did use a modified Edelbrock Torker II to see if it would bring back some low-end power ... it didn't change much ET or 60' wise ......../QUOTE]
that was my next question, does the single rail kill the low end torque ?
that was my next question, does the single rail kill the low end torque ?
Thread Starter
Le Mans Master
Joined: Feb 2005
Posts: 6,481
Likes: 566
From: Clearwater Florida
........ Made some smoke today ... finally ! ........ still waiting for the trans filter extension I ordered from B&M last week so I can utilize the extra fluid capacity provided by the 3 1/2 inch deep pan ... AND , so I can fill the trans with oil and drive this car ... started it without the converter bolted up ......... then , its on to the welder to get a six point roll cage installed ........... I should be racing by the end of July ............ DANG ! ........
Safety Car
Joined: Nov 2009
Posts: 3,973
Likes: 341
From: Adelaide South Australia
[QUOTE=C409;1584078246]
... Oh definitely ... but it picks up large power in the upper RPM ranges , enough to offset the bottom end losses ... a high stall converter and numerically high rear axle ratios help to get things moving off the line ... this new setup of mine includes a Yank 4000 rpm stall and 3.91 gears ... when I switched from the FIRST intake to the Accel single plane , I lost a tenth off the 60 foot times but gained three tenths in 1/8th mile ET ... that was with a 2800 Vigilante and 3.45's ........
thats pretty impressive, 3 tenths in the 1/8 over a FIRST, was that a FIRST long tube setup ?
are you going drag racing ?
your ahead of me, still hoping to fire mine up tomorrow, the pressure is on, I have entered for the next hillclimb on 23rd June and i still need to run it in !
... Oh definitely ... but it picks up large power in the upper RPM ranges , enough to offset the bottom end losses ... a high stall converter and numerically high rear axle ratios help to get things moving off the line ... this new setup of mine includes a Yank 4000 rpm stall and 3.91 gears ... when I switched from the FIRST intake to the Accel single plane , I lost a tenth off the 60 foot times but gained three tenths in 1/8th mile ET ... that was with a 2800 Vigilante and 3.45's ........
are you going drag racing ?
your ahead of me, still hoping to fire mine up tomorrow, the pressure is on, I have entered for the next hillclimb on 23rd June and i still need to run it in !