Feb. 15 Famoso Results

Trainman

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I just realizes I didn't post my results from the last Test and Tune. I've been really busy as I recently decided to come out of retirement (since 2005) and apply for a job. I have never been a car salesman, but since I like cars (and trucks) I thought I would apply at the local Cadillac/Chevrolet dealership. I didn't know if they would hire a 67 year old that had NO experience at selling cars.....but they did! I started 3 weeks ago and have already sold 3 cars. Anyway I forgot to post the last test and tune results for the truck.....and it ran good.....I set a new best speed for the SRT-10 at Famoso. Previous best speed was 118.01 and now the new best is 118.13! Also posted the best ever corrected time for the truck, I don't ever claim the corrected time as real time, but it is interesting to look at. Here are my results:

Run 1: 11:41 am, 60' 1.627, 1/8th mile 7.554 @ 88.36mph, 1/4 mile time 11.863 @ 115.70mph. Truck was on a real good pass but due to a very RARE driver error I lost a little time. As I was accelerating in 3rd gear I was resting my hand on the shifter a little to hard,and as I was watching the Tach approach 5,500 (getting ready to shift @ 6,000) I accidently popped the shifter into neutral....Damn! I had to clutch real fast and grab 4th, but I lost a little time.

Run 2: 2pm, DA 1874', 60' 1.659, 1/8th mile 7.492 @ 95.73mph, 1/4 mile 11.678 @ 118.13mph (new top speed for me at famoso) This is also my best corrected pass of all time (previous best 11.43) Corrected time [email protected].

Run 3:4:30 pm, 60' 1.589!, 1/8th mile 7.458 @ 88.02, 1/4 mile 11.687 @ 116.33mph.

On a side note, I thought that it was unusual that the 2 passes in the left lane (run 1 & 3) had a very low speed at the 1/8th, and the right lane was 7.71 mph faster when comparing runs 2 & 3 speeds at the 1/8th mile (95.73 vs 88.02) as both passes were very clean and within .009 seconds of each other in the 1/4 mile time.

The first 2 passes I was at about 4,000 rpm on the launch, and had no spin at all, the launch felt real good, not much bog. On the 3rd pass I got more aggressive and raised the rpm to about 4,500 and felt it spin (felt like a lot), but low and behold I had the best 60' of the day. Tomorrow at the Test and Tune I will again try the aggressive launch in the cool morning pass (hopefully DA below 1,000') and see what happens.:rock:
 
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Whos truck? I'm guessing not yours with that trap speed since you going head/cams.
 
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Yes, it's my truck. I've owned it since new in 2004. It has 68,000 miles. We are still waiting for the GenIV heads to be finished and shipped out here to A&CPerformance for the rebuild. So for now I am still running the stock engine, with headers, tune, ported intake and JTS Venom TB. Same old truck, still running good.......but soon to be running a whole lot better once it's rebuilt. I think I've gotten as much out of the stock engine that is possible.

Anyway, what's wrong with that trap speed?

This is coming:
http://farm6.staticflickr.com/5497/10336343584_8027e9f3c1_z.jpg


As well as these:


Combustion chamber:
http://i1352.photobucket.com/albums/q652/greggood1/Gen4ViperRace003_zps081ade38.jpg

Exhaust port:
http://i1352.photobucket.com/albums/q652/greggood1/Gen4ViperRace002_zpsca7e0492.jpg

Intake port:
http://i1352.photobucket.com/albums/q652/greggood1/Gen4ViperRace004_zps775a1917.jpg

Custom valve covers by JMB:
https://farm4.staticflickr.com/3817/12678175093_964468ac6c_z.jpg


Update time. Just spoke with Greg Good and here are the actual final flow numbers on my Gen IV heads. Final valve sizes are 2.19 intake, 1.60 exhaust.

Lift..............Intake............Exhaust
.100------------72---------------51
.200-----------174--------------108
.300-----------252--------------168
.400-----------315--------------212
.500-----------355--------------244
.600-----------382--------------266
.650-----------400--------------269
.700-----------405--------------272
 
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